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// 求两个数m和n的最大公约数(辗转相除法)
#include <stdio.h>
int yue( int x, int y )
{
int temp;
int tem;
// 保证分母不为0
if( y == 0 )
{
x = temp;
temp = y;
y = x;
}
// 辗转相除法
while( tem )
{
tem = x % y;
x = y;
y = tem;
}
return x;
}
int main()
{
int a,b;
printf("请输入要求的两个数:");
scanf("%d%d",&a,&b);
printf("最大公约数是:%d\n",yue( a,b ));
return 0;
}
<img src="http://img.blog.csdn.net/20150423115407950?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvemhhb3lhcWlhbjU1Mg==/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="" />
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原文地址:http://blog.csdn.net/zhaoyaqian552/article/details/45219853