Submission

Status:

[PPPPPPPPPP]

Subtask/Task Score:

{100/100}

Score: 100

User: cheraim

Language: cpp

Time: 0.004 second

Submitted On: 2026-10-09 10:05:20

#include <iostream>
using namespace std;

int main() 
{
    int n;
    cin>>n;
    cout<<((n+1)*n/2)*6-(2*n);
}