Submission

Status:

[-SSSSSSSSS]

Subtask/Task Score:

{0/100}

Score: 0

User: Wkraxcker

Problemset: นักบินอวกาศ

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-15 13:48:12

#include <bits/stdc++.h>
using namespace std;
int main(){
    ios::sync_with_stdio(false);
    cin.tie(NULL);
    long time, dura=4,sum=4; cin>>time;
    for(int i=1;i<time; i++){
        dura+=6;
        sum+=dura;
    }
    cout<<sum;
}