不是我哪里错了啊

fujunye12345 @ 2024-12-11 17:21:05

#include<bits/stdc++.h>
using namespace std;
int main()
{
    int n;
    long long t=1,s=0;
    cin>>n;
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=i;j++)
            t*=j;
        s+=t,t=1;
    }
    cout<<s;
    return 0;
}

by jomify @ 2024-12-11 21:24:21

long long在n=50时会溢出

by fujunye12345 @ 2024-12-12 13:46:30

@jomify那要怎么改？

by jomify @ 2024-12-12 15:45:39

@fujunye12345 需要高精度计算的相关知识和方法

by fujunye12345 @ 2024-12-12 17:43:00

@jomify谢谢