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无语的一个下午。。。 13行,贴代码

Posted by 569262726 at 2012-05-26 17:22:10 on Problem 1306
#include<stdio.h>
int main()
{
	int n,m,i;
	while(scanf("%d%d",&n,&m) && (n || m))
	{
		double c=1.0;
		for(i=n;i>n-m;i--) c*=i;
		for(i=m;i>1;i--) c/=i;
		printf("%d things taken %d at a time is %.0lf exactly.\n",n,m,c);
	}
	return 0;
}

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