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算法训练 未名湖边的烦恼
#include<iostream>
#include<cstdio>
#include<cstring>
using namespace std;
int f(int m,int n)
{
if(m<n)
return 0;
if(n==0)
return 1;
return f(m-1,n)+f(m,n-1);
}
int main()
{
int m,n;
while(scanf("%d%d",&m,&n)!=EOF)
{
int s;
s=f(m,n);
printf("%d\n",s);
}
return 0;
}
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原文地址:http://www.cnblogs.com/hsd-/p/5180659.html