Submission
Status:
[PPPPPPPPPP]
Subtask/Task Score:
{100/100}
Score: 100
User: jackpapho
Problemset: นักบินอวกาศ
Language: cpp
Time: 0.004 second
Submitted On: 2026-09-30 13:30:50
#include <bits/stdc++.h>
using namespace std;
int main(){
cin.tie(0);
ios::sync_with_stdio(0);
int n;
cin >> n;
n+=1;
cout << 4*(n-1) + 3*(n-1)*(n-2);
return 0;
}