[C语言]非递归实现求n的阶乘
#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<stdlib.h>
int factorial(int n){
int s=1;
while (n > 0){
s *= n--;
}
return s;
}
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;
}