Submission

Status:

[PPPPPPPPPP]

Subtask/Task Score:

{100/100}

Score: 100

User: YourLocalZ

Problemset: นักบินอวกาศ

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-10 16:22:15

#include <iostream>
using namespace std;

int main()
{
    int x,s=0;
    cin >> x;
    for(int i=0;i<=x;i++)
    {
        if(i==0) continue;
        else s += 4+(i-1)*6;
    }
    cout << s;
}