Submission

Status:

[PPPPPPPPPP]

Subtask/Task Score:

{100/100}

Score: 100

User: herespeed

Language: cpp

Time: 0.002 second

Submitted On: 2026-10-14 10:06:43

#include <bits/stdc++.h>
using namespace std;
// 4n+3(n-1)(n)
int main(){
	int t;
	cin>>t;
	cout<<4*t+3*(t-1)*t;
}