Submission

Status:

[PPPPPPPPPP]

Subtask/Task Score:

{100/100}

Score: 100

User: Prima

Language: cpp

Time: 0.004 second

Submitted On: 2026-10-12 09:07:04

#include<iostream>
using namespace std;

int main(){
	int n=4, t, h=0;
	cin >> t;
	for(int i=0; i<t; i++){
		h+=n;
		n+=6;
	}
	cout << h;
}