Submission

Score: 100

User: Jame007

Problemset: นักบินอวกาศ

Language: cpp

Time: 0.002 second

Submitted On: 2026-09-28 19:10:53

#include <bits/stdc++.h>
using namespace std;

int main(){
    map<int,int> da ;
    da[0] = 0;
    da[1] = 4;
    da[2] = 14;

    int d = 0;
    int t;
    cin >>t;
    if(t>2){
        for(int i=0;i<t-2;i++){
            d = da[2] - da[1] + 6*(i+1);
            da[3+i] = d+da[2+i];
        }
    }
    for (auto i:da){
        if(i.first == t){
            cout << i.second;
        }
    }



    return 0;
}