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程序改成这样还说错误的啊，wr

Posted by 382784268 at 2008-11-29 16:32:12 on Problem 2249
In Reply To:Re:试试下面这组数据就知道了. Posted by:MasterLuo at 2008-11-29 14:17:19

#include<iostream>
#include<iomanip>
using namespace std;
int main()
{
	
	int n,k;
	while((cin>>n>>k)&&(n!=0)&&(k!=0))
	{
		double s=1,s1=1;
		int i;

		if(k>n/2)k=n-k;
		for(i=1;i<=k;i++)
		{
			s=s*(n-i+1)/i;
			
		}
		
		cout<<setiosflags(ios::fixed)<<setprecision(0)<<s<<endl;
	}
	return 0;
}

Followed by:

Re:你写错了. (384) MasterLuo 2008-11-29 17:39:10

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