Submission

Score: 0

User: pakorn

Problemset: นักบินอวกาศ

Language: cpp

Time: 0.003 second

Submitted On: 2026-10-04 14:00:15

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

int main(){
	cin.tie(0)->sync_with_stdio(0);
	vector<long int> s(15);
	// 12  sihaaa kummm
	
	int n,sm = 0,m=4;
	cin >> n;
	for(int i = 1;i <=n;i++)
	{
		sm += m;
		m += 6;
	}
	cout << m;
	return 0;
}