计算输入的阶乘，如果无法计算则返回零

Posted 2022-01-26 玛卡巴卡

#include<stdio.h>
int main() 
 
    int i = 0;
	int n = 0;
	int sum = 1;
	scanf("%d", &n);
    if(n>=0)
	for (i = 1; i <= n; i++) 
		sum = sum * i;
	
    
    else sum = 0;
	printf("%d\\n", sum);
	return 0;