Submission

Status:

[PPPPPPPPPP]

Score: 100

User: Cmoss9

Problemset: นักบินอวกาศ

Language: cpp

Time: 0.002 second

Submitted On: 2025-03-11 22:06:12

#include <bits/stdc++.h>
using namespace std;
int main () {
    int skibidi;
    cin >> skibidi;
    if (skibidi == 0) {
        cout << 0;
        return 0;
    }
    if (skibidi == 1) {
        cout << 4;
        return 0;
    }
    int first = 4,sum = 10;
    for (int i = 0;i<skibidi-1;i++) {
        first += sum;
        sum += 6;
    }
    cout << first;
}