Submission

Score: 100

User: tull

Problemset: นักบินอวกาศ

Language: cpp

Time: 0.002 second

Submitted On: 2026-06-02 23:57:41

#pragma GCC optimize("O3,unroll-loops")
#include <bits/stdc++.h>
using namespace std;
//#define int long long
#define bp '\n'
#define ld long double
#define vp cout<<'\n';
#define all(A) A.begin(),A.end()
using pii=pair<int,int>;
const int MOD=1e9+7;
const int MNLL=-1e18;
const int MXLL=1e18;
const int N=2e5+10;
const string sans[]={"NO","YES"};
signed main(){
    cin.tie(nullptr)->sync_with_stdio(false);
    int n;
    cin>>n;
    cout<<n*n*3+n;
}
/*
5 7
taohu 0 1 7 9
mafuyu 2 5
ccsleep 2 4 7 25
sira 7
iris 32 64 128

*/