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	<id>https://mediawiki.zeropage.org/index.php?action=history&amp;feed=atom&amp;title=1R%2F2016_07_11</id>
	<title>1R/2016 07 11 - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://mediawiki.zeropage.org/index.php?action=history&amp;feed=atom&amp;title=1R%2F2016_07_11"/>
	<link rel="alternate" type="text/html" href="https://mediawiki.zeropage.org/index.php?title=1R/2016_07_11&amp;action=history"/>
	<updated>2026-05-14T22:02:05Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://mediawiki.zeropage.org/index.php?title=1R/2016_07_11&amp;diff=83857&amp;oldid=prev</id>
		<title>Maintenance script: Repair pages found by live-compare batch 0001</title>
		<link rel="alternate" type="text/html" href="https://mediawiki.zeropage.org/index.php?title=1R/2016_07_11&amp;diff=83857&amp;oldid=prev"/>
		<updated>2026-03-26T14:46:15Z</updated>

		<summary type="html">&lt;p&gt;Repair pages found by live-compare batch 0001&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 14:46, 26 March 2026&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l33&quot;&gt;Line 33:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 33:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		int** arr = (int**)malloc(sizeof(int*) * (n + 2));&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		int** arr = (int**)malloc(sizeof(int*) * (n + 2));&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		for (int i = 0; i &amp;amp;lt; (n + 2); i++){&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		for (int i = 0; i &amp;amp;lt; (n + 2); i++){&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			arr&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[&lt;/del&gt;i&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;] &lt;/del&gt;= (int*)malloc(sizeof(int) * (n + 2));&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			arr&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#91;&lt;/ins&gt;i&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93; &lt;/ins&gt;= (int*)malloc(sizeof(int) * (n + 2));&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		int** visit = (int**)malloc(sizeof(int*) * (n + 2));&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		int** visit = (int**)malloc(sizeof(int*) * (n + 2));&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		for (int i = 0; i &amp;amp;lt; (n + 2); i++){&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		for (int i = 0; i &amp;amp;lt; (n + 2); i++){&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			visit&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[&lt;/del&gt;i&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;] &lt;/del&gt;= (int*)malloc(sizeof(int) * (n + 2));&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			visit&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#91;&lt;/ins&gt;i&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93; &lt;/ins&gt;= (int*)malloc(sizeof(int) * (n + 2));&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		for (int i = 0; i &amp;amp;lt; n + 2; i++){&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		for (int i = 0; i &amp;amp;lt; n + 2; i++){&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			for (int j = 0; j &amp;amp;lt; n + 2; j++){&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			for (int j = 0; j &amp;amp;lt; n + 2; j++){&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				visit&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[&lt;/del&gt;i&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;][&lt;/del&gt;j&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;] &lt;/del&gt;= 0;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				visit&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#91;&lt;/ins&gt;i&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93;&amp;amp;#91;&lt;/ins&gt;j&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93; &lt;/ins&gt;= 0;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				if (i == 0 || i == n + 1 || j == 0 || j == n + 1){&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				if (i == 0 || i == n + 1 || j == 0 || j == n + 1){&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  					arr&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[&lt;/del&gt;i&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;][&lt;/del&gt;j&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;] &lt;/del&gt;= -1;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  					arr&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#91;&lt;/ins&gt;i&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93;&amp;amp;#91;&lt;/ins&gt;j&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93; &lt;/ins&gt;= -1;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				else{&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				else{&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  					scanf(&amp;quot;%1d&amp;quot;, &amp;amp;amp;arr&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[&lt;/del&gt;i&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;][&lt;/del&gt;j&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]&lt;/del&gt;);&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  					scanf(&amp;quot;%1d&amp;quot;, &amp;amp;amp;arr&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#91;&lt;/ins&gt;i&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93;&amp;amp;#91;&lt;/ins&gt;j&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93;&lt;/ins&gt;);&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l53&quot;&gt;Line 53:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 53:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		pair&amp;amp;lt;int, int&amp;amp;gt; dir = make_pair(0, 1);&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		pair&amp;amp;lt;int, int&amp;amp;gt; dir = make_pair(0, 1);&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		int ans = 0;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		int ans = 0;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		while (arr&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[&lt;/del&gt;x&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;][&lt;/del&gt;y&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;] &lt;/del&gt;!= -1){&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		while (arr&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#91;&lt;/ins&gt;x&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93;&amp;amp;#91;&lt;/ins&gt;y&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93; &lt;/ins&gt;!= -1){&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			if (arr&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[&lt;/del&gt;x&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;][&lt;/del&gt;y&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;] &lt;/del&gt;!= 0 &amp;amp;amp;&amp;amp;amp; visit&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[&lt;/del&gt;x&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;][&lt;/del&gt;y&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;] &lt;/del&gt;== 0){&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			if (arr&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#91;&lt;/ins&gt;x&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93;&amp;amp;#91;&lt;/ins&gt;y&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93; &lt;/ins&gt;!= 0 &amp;amp;amp;&amp;amp;amp; visit&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#91;&lt;/ins&gt;x&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93;&amp;amp;#91;&lt;/ins&gt;y&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93; &lt;/ins&gt;== 0){&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				ans++;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				ans++;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				visit&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[&lt;/del&gt;x&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;][&lt;/del&gt;y&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;] &lt;/del&gt;= 1;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				visit&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#91;&lt;/ins&gt;x&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93;&amp;amp;#91;&lt;/ins&gt;y&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93; &lt;/ins&gt;= 1;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			pair&amp;amp;lt;int, int&amp;amp;gt; next;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			pair&amp;amp;lt;int, int&amp;amp;gt; next;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			switch (arr&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[&lt;/del&gt;x&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;][&lt;/del&gt;y&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]&lt;/del&gt;){&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			switch (arr&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#91;&lt;/ins&gt;x&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93;&amp;amp;#91;&lt;/ins&gt;y&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93;&lt;/ins&gt;){&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			case 0:&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			case 0:&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				next = dir;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				next = dir;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l94&quot;&gt;Line 94:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 94:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  	for (int e = 1; e &amp;amp;lt;= TC; e++){&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  	for (int e = 1; e &amp;amp;lt;= TC; e++){&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		int n;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		int n;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		char a&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[&lt;/del&gt;1001&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;][&lt;/del&gt;1001&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]&lt;/del&gt;;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		char a&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#91;&lt;/ins&gt;1001&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93;&amp;amp;#91;&lt;/ins&gt;1001&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93;&lt;/ins&gt;;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		bool visit&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[&lt;/del&gt;1001&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;][&lt;/del&gt;1001&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]&lt;/del&gt;;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		bool visit&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#91;&lt;/ins&gt;1001&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93;&amp;amp;#91;&lt;/ins&gt;1001&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93;&lt;/ins&gt;;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		std::cin &amp;amp;gt;&amp;amp;gt; n;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		std::cin &amp;amp;gt;&amp;amp;gt; n;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		for (int i = 0; i&amp;amp;lt;n; i++){&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		for (int i = 0; i&amp;amp;lt;n; i++){&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			for (int j = 0; j&amp;amp;lt;n; j++){&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			for (int j = 0; j&amp;amp;lt;n; j++){&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				std::cin &amp;amp;gt;&amp;amp;gt; a&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[&lt;/del&gt;i&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;][&lt;/del&gt;j&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]&lt;/del&gt;;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				std::cin &amp;amp;gt;&amp;amp;gt; a&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#91;&lt;/ins&gt;i&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93;&amp;amp;#91;&lt;/ins&gt;j&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93;&lt;/ins&gt;;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				visit&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[&lt;/del&gt;i&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;][&lt;/del&gt;j&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;] &lt;/del&gt;= false;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				visit&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#91;&lt;/ins&gt;i&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93;&amp;amp;#91;&lt;/ins&gt;j&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93; &lt;/ins&gt;= false;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l107&quot;&gt;Line 107:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 107:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		while (1){&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		while (1){&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			if (x&amp;amp;lt;0 || y&amp;amp;lt;0 || x &amp;amp;gt;= n || y &amp;amp;gt;= n) break;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			if (x&amp;amp;lt;0 || y&amp;amp;lt;0 || x &amp;amp;gt;= n || y &amp;amp;gt;= n) break;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			if (!visit&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[&lt;/del&gt;x&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;][&lt;/del&gt;y&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;] &lt;/del&gt;&amp;amp;amp;&amp;amp;amp; a&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[&lt;/del&gt;x&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;][&lt;/del&gt;y&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;] &lt;/del&gt;!= &amp;#039;0&amp;#039;) res++;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			if (!visit&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#91;&lt;/ins&gt;x&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93;&amp;amp;#91;&lt;/ins&gt;y&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93; &lt;/ins&gt;&amp;amp;amp;&amp;amp;amp; a&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#91;&lt;/ins&gt;x&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93;&amp;amp;#91;&lt;/ins&gt;y&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93; &lt;/ins&gt;!= &amp;#039;0&amp;#039;) res++;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			visit&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[&lt;/del&gt;x&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;][&lt;/del&gt;y&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;] &lt;/del&gt;= true;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			visit&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#91;&lt;/ins&gt;x&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93;&amp;amp;#91;&lt;/ins&gt;y&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93; &lt;/ins&gt;= true;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			switch (a&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[&lt;/del&gt;x&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;][&lt;/del&gt;y&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]&lt;/del&gt;){&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			switch (a&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#91;&lt;/ins&gt;x&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93;&amp;amp;#91;&lt;/ins&gt;y&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93;&lt;/ins&gt;){&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			case &amp;#039;1&amp;#039;:&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			case &amp;#039;1&amp;#039;:&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				dir=3-dir;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				dir=3-dir;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l156&quot;&gt;Line 156:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 156:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;   &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;   &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  	setbuf(stdout, NULL);&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  	setbuf(stdout, NULL);&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  	char map&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[&lt;/del&gt;1000&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;][&lt;/del&gt;1000&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]&lt;/del&gt;;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  	char map&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#91;&lt;/ins&gt;1000&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93;&amp;amp;#91;&lt;/ins&gt;1000&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93;&lt;/ins&gt;;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;   &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;   &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  	int TC;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  	int TC;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l173&quot;&gt;Line 173:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 173:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;   &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;   &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		for (i = 0; i&amp;amp;lt;N; i++) {&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		for (i = 0; i&amp;amp;lt;N; i++) {&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			scanf(&amp;quot;%s&amp;quot;, map&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[&lt;/del&gt;i&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]&lt;/del&gt;);&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			scanf(&amp;quot;%s&amp;quot;, map&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#91;&lt;/ins&gt;i&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93;&lt;/ins&gt;);&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		for (i = 0; i&amp;amp;lt;N; i++) {&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		for (i = 0; i&amp;amp;lt;N; i++) {&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			for (j = 0; j&amp;amp;lt;N; j++) {&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			for (j = 0; j&amp;amp;lt;N; j++) {&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				map&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[&lt;/del&gt;i&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;][&lt;/del&gt;j&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;] &lt;/del&gt;-= &amp;#039;0&amp;#039;;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				map&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#91;&lt;/ins&gt;i&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93;&amp;amp;#91;&lt;/ins&gt;j&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93; &lt;/ins&gt;-= &amp;#039;0&amp;#039;;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l184&quot;&gt;Line 184:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 184:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		i = j = dir = cnt = 0;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		i = j = dir = cnt = 0;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		while (i &amp;amp;gt;= 0 &amp;amp;amp;&amp;amp;amp; i &amp;amp;lt; N &amp;amp;amp;&amp;amp;amp; j &amp;amp;gt;= 0 &amp;amp;amp;&amp;amp;amp; j &amp;amp;lt; N) {&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  		while (i &amp;amp;gt;= 0 &amp;amp;amp;&amp;amp;amp; i &amp;amp;lt; N &amp;amp;amp;&amp;amp;amp; j &amp;amp;gt;= 0 &amp;amp;amp;&amp;amp;amp; j &amp;amp;lt; N) {&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			if (map&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[&lt;/del&gt;i&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;][&lt;/del&gt;j&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;] &lt;/del&gt;* map&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[&lt;/del&gt;i&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;][&lt;/del&gt;j&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;] &lt;/del&gt;== 1) {&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			if (map&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#91;&lt;/ins&gt;i&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93;&amp;amp;#91;&lt;/ins&gt;j&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93; &lt;/ins&gt;* map&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#91;&lt;/ins&gt;i&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93;&amp;amp;#91;&lt;/ins&gt;j&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93; &lt;/ins&gt;== 1) {&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				if (map&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[&lt;/del&gt;i&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;][&lt;/del&gt;j&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;] &lt;/del&gt;&amp;amp;gt;0) {&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				if (map&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#91;&lt;/ins&gt;i&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93;&amp;amp;#91;&lt;/ins&gt;j&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93; &lt;/ins&gt;&amp;amp;gt;0) {&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  					map&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[&lt;/del&gt;i&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;][&lt;/del&gt;j&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;] &lt;/del&gt;= -1;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  					map&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#91;&lt;/ins&gt;i&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93;&amp;amp;#91;&lt;/ins&gt;j&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93; &lt;/ins&gt;= -1;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  					cnt++;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  					cnt++;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l206&quot;&gt;Line 206:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 206:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			if (map&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[&lt;/del&gt;i&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;][&lt;/del&gt;j&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;] &lt;/del&gt;* map&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[&lt;/del&gt;i&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;][&lt;/del&gt;j&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;] &lt;/del&gt;== 4) {&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			if (map&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#91;&lt;/ins&gt;i&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93;&amp;amp;#91;&lt;/ins&gt;j&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93; &lt;/ins&gt;* map&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#91;&lt;/ins&gt;i&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93;&amp;amp;#91;&lt;/ins&gt;j&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93; &lt;/ins&gt;== 4) {&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				if (map&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[&lt;/del&gt;i&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;][&lt;/del&gt;j&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;] &lt;/del&gt;&amp;amp;gt;0) {&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				if (map&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#91;&lt;/ins&gt;i&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93;&amp;amp;#91;&lt;/ins&gt;j&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93; &lt;/ins&gt;&amp;amp;gt;0) {&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  					map&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[&lt;/del&gt;i&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;][&lt;/del&gt;j&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;] &lt;/del&gt;= -2;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  					map&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#91;&lt;/ins&gt;i&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93;&amp;amp;#91;&lt;/ins&gt;j&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93; &lt;/ins&gt;= -2;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  					cnt++;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  					cnt++;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l228&quot;&gt;Line 228:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 228:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			if (map&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[&lt;/del&gt;i&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;][&lt;/del&gt;j&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;] &lt;/del&gt;== 0) {&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  			if (map&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#91;&lt;/ins&gt;i&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93;&amp;amp;#91;&lt;/ins&gt;j&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;#93; &lt;/ins&gt;== 0) {&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				if (dir == 0) {&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  				if (dir == 0) {&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  					j++;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  					j++;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l262&quot;&gt;Line 262:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 262:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* 레이저가 움직이는 경로를 일일이 따라감 if-else&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* 레이저가 움직이는 경로를 일일이 따라감 if-else&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* 처음 방문한 거울 갯수만 세어 출력&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* 처음 방문한 거울 갯수만 세어 출력&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;

&lt;!-- diff cache key mediawiki:diff::1.12:old-25982:rev-83857 --&gt;
&lt;/table&gt;</summary>
		<author><name>Maintenance script</name></author>
	</entry>
	<entry>
		<id>https://mediawiki.zeropage.org/index.php?title=1R/2016_07_11&amp;diff=25982&amp;oldid=prev</id>
		<title>imported&gt;황창재: {CREATE}</title>
		<link rel="alternate" type="text/html" href="https://mediawiki.zeropage.org/index.php?title=1R/2016_07_11&amp;diff=25982&amp;oldid=prev"/>
		<updated>2016-07-12T07:18:41Z</updated>

		<summary type="html">&lt;p&gt;{CREATE}&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;__TOC__&lt;br /&gt;
&lt;br /&gt;
= 오늘의 문제 =&lt;br /&gt;
* [https://www.codeground.org/practice/practiceProbView.do?probId=12|방속의 거울]&lt;br /&gt;
= 참가자 =&lt;br /&gt;
&lt;br /&gt;
= 코드 =&lt;br /&gt;
== 15이원준 ==&lt;br /&gt;
 // 아래 기본 제공된 코드를 수정 또는 삭제하고 본인이 코드를 사용하셔도 됩니다.&lt;br /&gt;
 #include &amp;amp;lt;cstdio&amp;amp;gt;&lt;br /&gt;
 #include &amp;amp;lt;iostream&amp;amp;gt;&lt;br /&gt;
 #include &amp;amp;lt;stdlib.h&amp;amp;gt;&lt;br /&gt;
 using namespace std;&lt;br /&gt;
 &lt;br /&gt;
 int main(int argc, char** argv) {&lt;br /&gt;
 	/* 아래 freopen 함수는 input.txt 를 read only 형식으로 연 후,&lt;br /&gt;
 	앞으로 표준 입력(키보드) 대신 input.txt 파일로 부터 읽어오겠다는 의미의 코드입니다.&lt;br /&gt;
 	만약 본인의 PC 에서 테스트 할 때는, 입력값을 input.txt에 저장한 후 freopen 함수를 사용하면,&lt;br /&gt;
 	그 아래에서 scanf 함수 또는 cin을 사용하여 표준입력 대신 input.txt 파일로 부터 입력값을 읽어 올 수 있습니다.&lt;br /&gt;
 	또한, 본인 PC에서 freopen 함수를 사용하지 않고 표준입력을 사용하여 테스트하셔도 무방합니다.&lt;br /&gt;
 	단, Codeground 시스템에서 &amp;quot;제출하기&amp;quot; 할 때에는 반드시 freopen 함수를 지우거나 주석(//) 처리 하셔야 합니다. */&lt;br /&gt;
 	//freopen(&amp;quot;input.txt&amp;quot;, &amp;quot;r&amp;quot;, stdin);&lt;br /&gt;
 &lt;br /&gt;
 	setbuf(stdout, NULL);&lt;br /&gt;
 int TC;&lt;br /&gt;
 	int test_case;&lt;br /&gt;
 &lt;br /&gt;
 	scanf(&amp;quot;%d&amp;quot;, &amp;amp;amp;TC);	// cin 사용 가능&lt;br /&gt;
 	for (test_case = 1; test_case &amp;amp;lt;= TC; test_case++) {&lt;br /&gt;
 		// 이 부분에서 알고리즘 프로그램을 작성하십시오.&lt;br /&gt;
 		int n;&lt;br /&gt;
 		scanf(&amp;quot;%d&amp;quot;, &amp;amp;amp;n);&lt;br /&gt;
 		int** arr = (int**)malloc(sizeof(int*) * (n + 2));&lt;br /&gt;
 		for (int i = 0; i &amp;amp;lt; (n + 2); i++){&lt;br /&gt;
 			arr[i] = (int*)malloc(sizeof(int) * (n + 2));&lt;br /&gt;
 		}&lt;br /&gt;
 		int** visit = (int**)malloc(sizeof(int*) * (n + 2));&lt;br /&gt;
 		for (int i = 0; i &amp;amp;lt; (n + 2); i++){&lt;br /&gt;
 			visit[i] = (int*)malloc(sizeof(int) * (n + 2));&lt;br /&gt;
 		}&lt;br /&gt;
 		for (int i = 0; i &amp;amp;lt; n + 2; i++){&lt;br /&gt;
 			for (int j = 0; j &amp;amp;lt; n + 2; j++){&lt;br /&gt;
 				visit[i][j] = 0;&lt;br /&gt;
 				if (i == 0 || i == n + 1 || j == 0 || j == n + 1){&lt;br /&gt;
 					arr[i][j] = -1;&lt;br /&gt;
 				}&lt;br /&gt;
 				else{&lt;br /&gt;
 					scanf(&amp;quot;%1d&amp;quot;, &amp;amp;amp;arr[i][j]);&lt;br /&gt;
 				}&lt;br /&gt;
 			}&lt;br /&gt;
 		}&lt;br /&gt;
 		int x = 1, y = 1;&lt;br /&gt;
 		pair&amp;amp;lt;int, int&amp;amp;gt; dir = make_pair(0, 1);&lt;br /&gt;
 		int ans = 0;&lt;br /&gt;
 		while (arr[x][y] != -1){&lt;br /&gt;
 			if (arr[x][y] != 0 &amp;amp;amp;&amp;amp;amp; visit[x][y] == 0){&lt;br /&gt;
 				ans++;&lt;br /&gt;
 				visit[x][y] = 1;&lt;br /&gt;
 			}&lt;br /&gt;
 			pair&amp;amp;lt;int, int&amp;amp;gt; next;&lt;br /&gt;
 			switch (arr[x][y]){&lt;br /&gt;
 			case 0:&lt;br /&gt;
 				next = dir;&lt;br /&gt;
 				break;&lt;br /&gt;
 			case 1:&lt;br /&gt;
 				next.second = dir.first * -1;&lt;br /&gt;
 				next.first = dir.second * -1;&lt;br /&gt;
 				break;&lt;br /&gt;
 			case 2:&lt;br /&gt;
 				next.first = dir.second;&lt;br /&gt;
 				next.second = dir.first;&lt;br /&gt;
 				break;&lt;br /&gt;
 			}&lt;br /&gt;
 			dir = next;&lt;br /&gt;
 			x += dir.first;&lt;br /&gt;
 			y += dir.second;&lt;br /&gt;
 		}&lt;br /&gt;
 &lt;br /&gt;
 &lt;br /&gt;
 		// 이 부분에서 정답을 출력하십시오.&lt;br /&gt;
 		printf(&amp;quot;Case #%d\n&amp;quot;, test_case);	// cout 사용 가능&lt;br /&gt;
 		printf(&amp;quot;%d\n&amp;quot;, ans);&lt;br /&gt;
 	}&lt;br /&gt;
 &lt;br /&gt;
 	return 0;	// 정상종료 시 반드시 0을 리턴해야 합니다.&lt;br /&gt;
 }&lt;br /&gt;
== 박인서 ==&lt;br /&gt;
 #include &amp;amp;lt;iostream&amp;amp;gt;&lt;br /&gt;
 &lt;br /&gt;
 int main()&lt;br /&gt;
 {&lt;br /&gt;
 	int TC;&lt;br /&gt;
 	std::cin &amp;amp;gt;&amp;amp;gt; TC;&lt;br /&gt;
 	for (int e = 1; e &amp;amp;lt;= TC; e++){&lt;br /&gt;
 		int n;&lt;br /&gt;
 		char a[1001][1001];&lt;br /&gt;
 		bool visit[1001][1001];&lt;br /&gt;
 		std::cin &amp;amp;gt;&amp;amp;gt; n;&lt;br /&gt;
 		for (int i = 0; i&amp;amp;lt;n; i++){&lt;br /&gt;
 			for (int j = 0; j&amp;amp;lt;n; j++){&lt;br /&gt;
 				std::cin &amp;amp;gt;&amp;amp;gt; a[i][j];&lt;br /&gt;
 				visit[i][j] = false;&lt;br /&gt;
 			}&lt;br /&gt;
 		}&lt;br /&gt;
 &lt;br /&gt;
 		int x = 0, y = 0, res = 0, dir = 0;&lt;br /&gt;
 		while (1){&lt;br /&gt;
 			if (x&amp;amp;lt;0 || y&amp;amp;lt;0 || x &amp;amp;gt;= n || y &amp;amp;gt;= n) break;&lt;br /&gt;
 			if (!visit[x][y] &amp;amp;amp;&amp;amp;amp; a[x][y] != &amp;#039;0&amp;#039;) res++;&lt;br /&gt;
 			visit[x][y] = true;&lt;br /&gt;
 			switch (a[x][y]){&lt;br /&gt;
 			case &amp;#039;1&amp;#039;:&lt;br /&gt;
 				dir=3-dir;&lt;br /&gt;
 				break;&lt;br /&gt;
 			case &amp;#039;2&amp;#039;:&lt;br /&gt;
 				if(dir%2==0) dir++;&lt;br /&gt;
 				else dir--;&lt;br /&gt;
 				break;&lt;br /&gt;
 			default:&lt;br /&gt;
 				break;&lt;br /&gt;
 			}&lt;br /&gt;
 &lt;br /&gt;
 			switch (dir){&lt;br /&gt;
 			case 0:&lt;br /&gt;
 				y++;&lt;br /&gt;
 				break;&lt;br /&gt;
 			case 1:&lt;br /&gt;
 				x++;&lt;br /&gt;
 				break;&lt;br /&gt;
 			case 2:&lt;br /&gt;
 				y--;&lt;br /&gt;
 				break;&lt;br /&gt;
 			case 3:&lt;br /&gt;
 				x--;&lt;br /&gt;
 				break;&lt;br /&gt;
 			}&lt;br /&gt;
 		}&lt;br /&gt;
 &lt;br /&gt;
 		std::cout &amp;amp;lt;&amp;amp;lt; &amp;quot;Case #&amp;quot; &amp;amp;lt;&amp;amp;lt; e &amp;amp;lt;&amp;amp;lt; std::endl &amp;amp;lt;&amp;amp;lt; res &amp;amp;lt;&amp;amp;lt; std::endl;&lt;br /&gt;
 	}&lt;br /&gt;
 	return 0;&lt;br /&gt;
 }&lt;br /&gt;
== 황창재 ==&lt;br /&gt;
 // 아래 기본 제공된 코드를 수정 또는 삭제하고 본인이 코드를 사용하셔도 됩니다.&lt;br /&gt;
 #include &amp;amp;lt;stdio.h&amp;amp;gt;&lt;br /&gt;
 &lt;br /&gt;
 #pragma warning(disable:4996)&lt;br /&gt;
 &lt;br /&gt;
 int main(void) {&lt;br /&gt;
 	/* 아래 freopen 함수는 input.txt를 read only 형식으로 열고, 표준입력(키보드) 대신 input.txt 로 부터 읽어오겠다는 의미의 코드입니다.&lt;br /&gt;
 	만약 본인 PC 에서 테스트 할 때는, 입력값을 input.txt에 저장한 후 freopen 함수를 사용하면&lt;br /&gt;
 	그 아래에서 scanf 함수를 사용하여 표준입력 대신 input.txt 파일로 부터 입력값을 읽어 올 수 있습니다.&lt;br /&gt;
 	또한, 본인 PC에서 freopen 함수를 사용하지 않고 표준입력을 사용하여 테스트하셔도 무방합니다.&lt;br /&gt;
 	단, Codeground 시스템에서 &amp;quot;제출하기&amp;quot; 할 때에는 반드시 freopen 함수를 지우거나 주석(//) 처리 하셔야만 합니다. */&lt;br /&gt;
 	// freopen(&amp;quot;input.txt&amp;quot;, &amp;quot;r&amp;quot;, stdin);&lt;br /&gt;
 &lt;br /&gt;
 	setbuf(stdout, NULL);&lt;br /&gt;
 	char map[1000][1000];&lt;br /&gt;
 &lt;br /&gt;
 	int TC;&lt;br /&gt;
 	int test_case;&lt;br /&gt;
 &lt;br /&gt;
 	int N;&lt;br /&gt;
 	int i, j;&lt;br /&gt;
 	int dir;&lt;br /&gt;
 	int cnt;&lt;br /&gt;
 &lt;br /&gt;
 	scanf(&amp;quot;%d&amp;quot;, &amp;amp;amp;TC);&lt;br /&gt;
 	for (test_case = 1; test_case &amp;amp;lt;= TC; test_case++) {&lt;br /&gt;
 		// 이 부분에서 알고리즘 프로그램을 작성하십시오. 기본 제공된 코드를 수정 또는 삭제하고 본인이 코드를 사용하셔도 됩니다.&lt;br /&gt;
 &lt;br /&gt;
 		scanf(&amp;quot;%d&amp;quot;, &amp;amp;amp;N);&lt;br /&gt;
 &lt;br /&gt;
 		for (i = 0; i&amp;amp;lt;N; i++) {&lt;br /&gt;
 			scanf(&amp;quot;%s&amp;quot;, map[i]);&lt;br /&gt;
 		}&lt;br /&gt;
 		for (i = 0; i&amp;amp;lt;N; i++) {&lt;br /&gt;
 			for (j = 0; j&amp;amp;lt;N; j++) {&lt;br /&gt;
 				map[i][j] -= &amp;#039;0&amp;#039;;&lt;br /&gt;
 			}&lt;br /&gt;
 		}&lt;br /&gt;
 &lt;br /&gt;
 &lt;br /&gt;
 		i = j = dir = cnt = 0;&lt;br /&gt;
 		while (i &amp;amp;gt;= 0 &amp;amp;amp;&amp;amp;amp; i &amp;amp;lt; N &amp;amp;amp;&amp;amp;amp; j &amp;amp;gt;= 0 &amp;amp;amp;&amp;amp;amp; j &amp;amp;lt; N) {&lt;br /&gt;
 			if (map[i][j] * map[i][j] == 1) {&lt;br /&gt;
 				if (map[i][j] &amp;amp;gt;0) {&lt;br /&gt;
 					map[i][j] = -1;&lt;br /&gt;
 					cnt++;&lt;br /&gt;
 				}&lt;br /&gt;
 				if (dir == 0) {&lt;br /&gt;
 					dir = 3;&lt;br /&gt;
 					i--;&lt;br /&gt;
 				}&lt;br /&gt;
 				else if (dir == 1) {&lt;br /&gt;
 					dir = 2;&lt;br /&gt;
 					j--;&lt;br /&gt;
 				}&lt;br /&gt;
 				else if (dir == 2) {&lt;br /&gt;
 					dir = 1;&lt;br /&gt;
 					i++;&lt;br /&gt;
 				}&lt;br /&gt;
 				else if (dir == 3) {&lt;br /&gt;
 					dir = 0;&lt;br /&gt;
 					j++;&lt;br /&gt;
 				}&lt;br /&gt;
 			}&lt;br /&gt;
 			if (map[i][j] * map[i][j] == 4) {&lt;br /&gt;
 				if (map[i][j] &amp;amp;gt;0) {&lt;br /&gt;
 					map[i][j] = -2;&lt;br /&gt;
 					cnt++;&lt;br /&gt;
 				}&lt;br /&gt;
 				if (dir == 0) {&lt;br /&gt;
 					dir = 1;&lt;br /&gt;
 					i++;&lt;br /&gt;
 				}&lt;br /&gt;
 				else if (dir == 1) {&lt;br /&gt;
 					dir = 0;&lt;br /&gt;
 					j++;&lt;br /&gt;
 				}&lt;br /&gt;
 				else if (dir == 2) {&lt;br /&gt;
 					dir = 3;&lt;br /&gt;
 					i--;&lt;br /&gt;
 				}&lt;br /&gt;
 				else if (dir == 3) {&lt;br /&gt;
 					dir = 2;&lt;br /&gt;
 					j--;&lt;br /&gt;
 				}&lt;br /&gt;
 			}&lt;br /&gt;
 			if (map[i][j] == 0) {&lt;br /&gt;
 				if (dir == 0) {&lt;br /&gt;
 					j++;&lt;br /&gt;
 				}&lt;br /&gt;
 				else if (dir == 1) {&lt;br /&gt;
 					i++;&lt;br /&gt;
 				}&lt;br /&gt;
 				else if (dir == 2) {&lt;br /&gt;
 					j--;&lt;br /&gt;
 				}&lt;br /&gt;
 				else if (dir == 3) {&lt;br /&gt;
 					i--;&lt;br /&gt;
 				}&lt;br /&gt;
 			}&lt;br /&gt;
 		}&lt;br /&gt;
 &lt;br /&gt;
 		// 이 부분에서 정답을 출력하십시오.&lt;br /&gt;
 		printf(&amp;quot;Case #%d\n&amp;quot;, test_case);&lt;br /&gt;
 		printf(&amp;quot;%d\n&amp;quot;, cnt);&lt;br /&gt;
 	}&lt;br /&gt;
 &lt;br /&gt;
 	return 0;	// 정상종료 시 반드시 0을 리턴해야 합니다.&lt;br /&gt;
 }&lt;br /&gt;
&lt;br /&gt;
= 아이디어 =&lt;br /&gt;
== 15이원준 ==&lt;br /&gt;
* brute force 알고리즘 최고!&lt;br /&gt;
== 박인서 ==&lt;br /&gt;
* 방문을 처음하는 거울은 갯수를 세줘야됨.&lt;br /&gt;
* dir 변수를 써서 방향이 바뀔 때 마다 바꿔줌.&lt;br /&gt;
* 밖으로 나가버리~~고~~면 그 때까지 있는 거울의 갯수를 세서 출력해줌.&lt;br /&gt;
== 황창재 ==&lt;br /&gt;
* 레이저가 움직이는 경로를 일일이 따라감 if-else&lt;br /&gt;
* 처음 방문한 거울 갯수만 세어 출력&lt;br /&gt;
&lt;/div&gt;</summary>
		<author><name>imported&gt;황창재</name></author>
	</entry>
</feed>