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	<title>수학의정석/방정식/조현태 - Revision history</title>
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	<updated>2026-05-15T15:14:02Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://mediawiki.zeropage.org/index.php?title=%EC%88%98%ED%95%99%EC%9D%98%EC%A0%95%EC%84%9D/%EB%B0%A9%EC%A0%95%EC%8B%9D/%EC%A1%B0%ED%98%84%ED%83%9C&amp;diff=62533&amp;oldid=prev</id>
		<title>imported&gt;Unknown at 05:30, 7 February 2021</title>
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		<updated>2021-02-07T05:30:15Z</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;== 느낀점 및 설명 ==&lt;br /&gt;
이차방정식을 근의 공식에다가 넣고 돌린후 그대로 코딩했다.&lt;br /&gt;
그 이외의 사항은 저번 소스와 동일하다.&lt;br /&gt;
&lt;br /&gt;
== 소스 == &lt;br /&gt;
 #include &amp;amp;lt;math.h&amp;amp;gt;&lt;br /&gt;
 #include &amp;amp;lt;stdio.h&amp;amp;gt;&lt;br /&gt;
 #include &amp;amp;lt;time.h&amp;amp;gt;  &lt;br /&gt;
 &lt;br /&gt;
 void input_data(int*,int*,int*);&lt;br /&gt;
 void process(int, int, double);&lt;br /&gt;
 &lt;br /&gt;
 const int MINUTE=60;&lt;br /&gt;
 &lt;br /&gt;
 int main()  &lt;br /&gt;
 {  &lt;br /&gt;
 	int time_in;   // 초기 시작 시간.  &lt;br /&gt;
 	/////&lt;br /&gt;
 	int x,y,t;&lt;br /&gt;
 	/////&lt;br /&gt;
 	input_data(&amp;amp;amp;x,&amp;amp;amp;y,&amp;amp;amp;t);&lt;br /&gt;
 &lt;br /&gt;
 	time_in = clock();   // 초기 시작 시간을 입력한다.&lt;br /&gt;
 	process(x,y,t);&lt;br /&gt;
 	printf(&amp;quot;CPU CLOCKS = %d\n&amp;quot;, clock() - time_in);   // 끝났을때 시간 - 초기 시작시간 = 프로그램 실행 시간  &lt;br /&gt;
 	return 0;    // 프로그램 종료.  &lt;br /&gt;
 }  &lt;br /&gt;
 &lt;br /&gt;
 void input_data(int *x, int *y, int *t)&lt;br /&gt;
 {&lt;br /&gt;
 	printf(&amp;quot;강물의 속력을 입력해주세요&amp;amp;gt;&amp;amp;gt;&amp;quot;);&lt;br /&gt;
 	scanf(&amp;quot;%d&amp;quot;,x);&lt;br /&gt;
 	printf(&amp;quot;강의 거리를 입력해주세요&amp;amp;gt;&amp;amp;gt;&amp;quot;);&lt;br /&gt;
 	scanf(&amp;quot;%d&amp;quot;,y);&lt;br /&gt;
 	printf(&amp;quot;걸린 시간을 입력해주세요&amp;amp;gt;&amp;amp;gt;&amp;quot;);&lt;br /&gt;
 	scanf(&amp;quot;%d&amp;quot;,t);&lt;br /&gt;
 }&lt;br /&gt;
 &lt;br /&gt;
 void process(int x, int y, double t)&lt;br /&gt;
 {&lt;br /&gt;
 	t=t/MINUTE;&lt;br /&gt;
 	double answer=sqrt((float)(y*y+t*t*x*x));&lt;br /&gt;
 	answer+=y;answer/=t;&lt;br /&gt;
 	printf(&amp;quot;%.2f&amp;quot;,answer);&lt;br /&gt;
 }&lt;br /&gt;
&lt;br /&gt;
== 나에게 할말 ==&lt;br /&gt;
----&lt;br /&gt;
[[수학의정석]] [[수학의정석/방정식]]&lt;br /&gt;
&lt;/div&gt;</summary>
		<author><name>imported&gt;Unknown</name></author>
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