Submission #975256

#	Time	Username	Problem	Language	Result	Execution time	Memory
975256		Error404	Love Polygon (BOI18_polygon)	C++17	0 / 100	1 ms	600 KiB

polygon

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define f first
#define s second
#define pb push_back
#define pi pair<int,int>
#define pl pair<ll,int>

const int MAX = 5001;


int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    int n; cin >> n;
    if(n%2) {
        cout << -1 << endl;
        return 0;
    }
    else cout << n << endl;
}

• Subtask 1: 0 / 21
• Subtask 2: 0 / 25
• Subtask 3: 0 / 29
• Subtask 4: 0 / 25