Submission

Status:

[PPPPPPPPPP]

Subtask/Task Score:

{100/100}

Score: 100

User: exoworldgd

Problemset: นักบินอวกาศ

Language: cpp

Time: 0.002 second

Submitted On: 2025-05-29 19:50:20

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