Submission

Status:

[PPPPPPPPPP]

Subtask/Task Score:

{100/100}

Score: 100

User: SpeedGai

Problemset: นักบินอวกาศ

Language: cpp

Time: 0.005 second

Submitted On: 2026-10-14 09:51:46

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

int main() {
    int n;
    cin >> n;
    int arr[n];
    arr[0] = 0;
    
    for(int i = 1; i <= n; i++){
    	arr[i] = arr[i - 1] + (4 + (6 * (i - 1)));
	}
	
	cout << arr[n];
}