计算n=5的阶乘

#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
/计算n=5的阶乘/
int main()
{
int n = 5;
int i = 0;
int ret=1;
for (i = 1; i <= n; i++)
{
ret *= i;
}
printf("%d\n",ret);
return 0;
}