纯C语言：递归组合数源码

#include<stdio.h>int sum(int m,int n){if(n==m||n==0)return 1;elsereturn sum(m-1,n)+sum(m-1,n-1);}void main(){int m,n;printf("请输入组合数中的m：");scanf("%d",&m);printf("\n请输入组合数中的n：");scanf("%d",&n);int t=sum(m,n);printf("\n组合数结果：%d\n",t);}