利用while或者for循环计算n的阶乘

#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>

int main() {
	int n;
	scanf("%d", &n);//读取输入

	int i = 1, total = 1;

	while(i<=n) {

		total = total * i;
		i++;
}
	printf("%d\n", total);
	return 0;


}