求助大佬们，为什么超时了呀？o(╥﹏╥)o

Lindafish @ 2024-01-20 22:19:42

#include <stdio.h>

int main ( )
{
    int n;
    scanf("%d",&n);
    int i=1,sum=0;
    for (i=1;i<=n;i++){
        int jc=1;
        while(i!=0){
            jc=jc*i;
            i--;
        sum+=jc;
        }
    }
    printf("%d",sum);

    return 0;
}

by CQBZ_ZJYjoe @ 2024-01-20 22:22:47

第一，阶乘只需要从1乘到 N

第二，你需要写高精度，建议多学一学

by CQBZ_ZJYjoe @ 2024-01-20 22:23:17

@Lindafish

by Lindafish @ 2024-01-21 00:08:40

@CQYC_ZJYjoe 谢谢大佬，我再学习一下

by hayhey @ 2024-01-31 22:51:48

long long int a=1; long long int S=0; printf("%lld",S); 呜呜 为啥我的也才50