Submission

Status:

[PPPPPPPPPP]

Subtask/Task Score:

{100/100}

Score: 100

User: tha_smith

Problemset: นักบินอวกาศ

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-12 13:58:43

#include <iostream>
using namespace std;

int main() {
	int t,sum=0;
	cin >> t;
	for(int i=1; i<=t; i++) {
		sum += ((6*i)-2);
		//cout << sum << endl;
	}
	cout << sum;
}