Submission

Status:

[-SSSSSSSSS]

Subtask/Task Score:

{0/100}

Score: 0

User: picture

Problemset: นักบินอวกาศ

Language: cpp

Time: 0.003 second

Submitted On: 2026-10-13 09:29:43

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

int main(){
   int  n, m1 = 4 , sum = 0 ;
    cin >> n ;
    
    for(int i = 0 ; i < n ; i++){

        sum += 6*(i) ;
    }
    sum = sum+m1;
    
    
    cout << sum << endl;
}