二項式係數遞迴演算法

/* 二項式係數遞迴演算法** 問題描述**     二項式係數，即為排列組合中的排列*/#include <stdio.h>#include <stdlib.h>int binomial(int n, int m);int main(){int n,m,result;while(1){printf("Enter two number n and m(n>0 && m>=0):\n");printf("n=");scanf("%d",&n);printf("m=");scanf("%d",&m);if(n<=0 || m<0)printf("Please see the tip above,enter the right numbers!");elsebreak;}result=binomial(n,m);printf("the result is: %d ",result);printf("\n");system("pause");return 0;}int binomial(int n, int m){if(1==m )return n;else if(n==m)return 1;elsereturn binomial(n-1,m)+binomial(n-1,m-1);}