Submission

Status:

[PPPPPPPPPP]

Score: 100

User: sorawit

Problemset: นักบินอวกาศ

Language: cpp

Time: 0.002 second

Submitted On: 2025-01-19 20:33:36

#include <bits/stdc++.h>
using namespace std;

int qs[10001];

int main() {
    int t;
    cin >> t;

    qs[0] = 0;
    int s = 4;

    for (int i = 1; i <= t; i++) {
        qs[i] = qs[i - 1] + s;
            s +=6;
    }
  cout << qs[t];
}