Submission

Status:

[PPPPPPPPPP]

Subtask/Task Score:

{100/100}

Score: 100

User: nate213121

Problemset: นักบินอวกาศ

Language: cpp

Time: 0.005 second

Submitted On: 2026-09-02 19:55:43

#include <bits/stdc++.h>

using namespace std;

int main()
{
    int sum = 0;
    int addRate = 4;
    int n;
    cin >> n;
    for(int i = 0; i < n; i++)
    {
        sum += addRate;
        addRate += 6;
    }
    cout << sum;
    return 0;
}