[C语言]递归实现求n的阶乘

#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<stdlib.h>
int  factorial(int n){
 if (n > 0){
  return n*factorial(n - 1);
 }
 else
  return 1;
}
int main(){
 int n = 0;
 printf("请输入要求n的阶乘:\n");
 scanf("%d", &n);
 int z = factorial(n);
 printf("%d的阶乘是%d\n", n, z);
 system("pause");
 return 0;
}