Submission

Status:

[PPPPPPPPPP]

Subtask/Task Score:

{100/100}

Score: 100

User: ultraman9845

Problemset: นักบินอวกาศ

Language: cpp

Time: 0.003 second

Submitted On: 2026-10-11 16:25:12

#include<iostream>
using namespace std;
int main()
{
	int x=0;
	int m=4;
	int n;
	cin >> n;
	for(int i=0;i<n;i++)
	{
		x += m;
		m += 6;
	}
	cout << x ;
}