Submission #1369752

#	Time	Username	Problem	Language	Result	Execution time	Memory
1369752		charlesti	Love Polygon (BOI18_polygon)	C++20	0 / 100	4 ms	344 KiB

polygon

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

map<string, string> mp;

signed main(){

    cin.tie(0); ios::sync_with_stdio(0);
    int n; cin >> n;
    if(n&1){
        cout << "-1";
        return 0;
    }

    for(int i=1; i<=n; i++){
        string a, b; cin >> a >> b;
    }

    cout << n/2;


    return 0;
}

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