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	<title>ㄷㄷㄷ숙제2 - Revision history</title>
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	<updated>2026-05-15T07:09:15Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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		<id>https://mediawiki.zeropage.org/index.php?title=%E3%84%B7%E3%84%B7%E3%84%B7%EC%88%99%EC%A0%9C2&amp;diff=41494&amp;oldid=prev</id>
		<title>imported&gt;Unknown at 05:28, 7 February 2021</title>
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		<updated>2021-02-07T05:28:38Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;== 두번째 숙제 ==&lt;br /&gt;
&lt;br /&gt;
= 이경록 숙제 완료 =&lt;br /&gt;
1.if 문을 이용한 업앤다운 ;;&lt;br /&gt;
 #include &amp;amp;lt;stdio.h&amp;amp;gt;&lt;br /&gt;
 &lt;br /&gt;
 main(void)&lt;br /&gt;
 {&lt;br /&gt;
 	int a = 24;&lt;br /&gt;
 	printf(&amp;quot;UP AND DOWN GAME~!\n&amp;quot;);&lt;br /&gt;
 	printf(&amp;quot;1~50 사이의 숫자를 입력해 주세요\n&amp;quot;);&lt;br /&gt;
 	scanf(&amp;quot;%d&amp;quot;, &amp;amp;amp;a);&lt;br /&gt;
 	printf(&amp;quot;입력하신 숫자에 비해 정답은?\n&amp;quot;);&lt;br /&gt;
 &lt;br /&gt;
 	&lt;br /&gt;
 	if (a&amp;amp;lt;24)&lt;br /&gt;
 	{printf(&amp;quot;UP!\n&amp;quot;);&lt;br /&gt;
 	} else if(a&amp;amp;gt;24)&lt;br /&gt;
 	{printf(&amp;quot;DOWN! \n&amp;quot;);&lt;br /&gt;
 	} else if(a=24) &lt;br /&gt;
 	{ printf(&amp;quot;정답입니다 마시세요ㅋ\n&amp;quot;);&lt;br /&gt;
 	}&lt;br /&gt;
 &lt;br /&gt;
 	return 0;&lt;br /&gt;
 }&lt;br /&gt;
 &lt;br /&gt;
 여기까지 해봤는데요 마지막에 else를 하나 더쓴다던가 해서 문자를 썼을때 &lt;br /&gt;
 에러 메세지가 나오도록 하고 싶었으나.. 잘 않되네요..ㅜㅜ...&lt;br /&gt;
&lt;br /&gt;
2.switch 문을 이용한 업앤다운;;&lt;br /&gt;
 #include &amp;amp;lt;stdio.h&amp;amp;gt;&lt;br /&gt;
 &lt;br /&gt;
 main(void)&lt;br /&gt;
 {&lt;br /&gt;
 	int a = 24;&lt;br /&gt;
 &lt;br /&gt;
 	printf(&amp;quot;UP AND DOWN GAME!\n&amp;quot;);&lt;br /&gt;
 	printf(&amp;quot;1~50 사이의 수를 입력하세요\n&amp;quot;);&lt;br /&gt;
 	scanf(&amp;quot;%d&amp;quot; ,&amp;amp;amp;a);&lt;br /&gt;
 	printf(&amp;quot;입력하신 숫자에 비해 정답은?\n&amp;quot;);&lt;br /&gt;
 &lt;br /&gt;
 	switch (a){&lt;br /&gt;
 	case &amp;#039;a&amp;amp;lt;24&amp;#039;:&lt;br /&gt;
 	printf(&amp;quot;up!\n&amp;quot;);&lt;br /&gt;
 	break;&lt;br /&gt;
 &lt;br /&gt;
 	case &amp;#039;a&amp;amp;gt;24&amp;#039;:&lt;br /&gt;
 	printf(&amp;quot;down!\n&amp;quot;);&lt;br /&gt;
 	break;&lt;br /&gt;
 &lt;br /&gt;
 	case &amp;#039;a=24&amp;#039;:&lt;br /&gt;
 	printf(&amp;quot;정답입니다 마시세요ㅋ\n&amp;quot;);&lt;br /&gt;
 	break;&lt;br /&gt;
 	&lt;br /&gt;
 	default :&lt;br /&gt;
 	printf(&amp;quot;숫자가 잘못 입력 되었습니다\n&amp;quot;);&lt;br /&gt;
 	}&lt;br /&gt;
 &lt;br /&gt;
 	return 0;&lt;br /&gt;
 }&lt;br /&gt;
 &lt;br /&gt;
 if문에서 못했던 오류 메세지가 switch문 에서는 default값을 사용해서 쉽게 되더라구요..ㅠㅠ..&lt;br /&gt;
 if에서는 어째서!!!&lt;br /&gt;
&lt;br /&gt;
if에서 왜 않되는 걸까요? ㅠ_ㅠ  &lt;br /&gt;
또한가지 질문~! 위 소스에서 정답을 맞추지 못할경우 다시 스캔에프로 가서..&lt;br /&gt;
답을 쓰도록 하게 하려면 어떻게 해야 되는거죠??&lt;/div&gt;</summary>
		<author><name>imported&gt;Unknown</name></author>
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