Submission

Status:

[PPPPPPPPPP]

Subtask/Task Score:

{100/100}

Score: 100

User: sulinx

Problemset: นักบินอวกาศ

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-24 18:22:08

#include <bits/stdc++.h>

using namespace std;

int main(){
    int t,c = 4,h = 0;
    cin >> t;
    for(int i = 0;i<t;i++){
        h+=c;
        c+=6;
    }
    cout << h;
}