Submission

Score: 100

User: 68pretoi00314

Problemset: Sigma Croissant

Language: cpp

Time: 0.002 second

Submitted On: 2025-12-22 19:01:41

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