Submission #1190699

#	Time	Username	Problem	Language	Result	Execution time	Memory
1190699		Abdalaziz_Alshami	Love Polygon (BOI18_polygon)	C++20	0 / 100	8 ms	328 KiB

polygon

#include<bits/stdc++.h>
using namespace std;
signed main(){
	ios::sync_with_stdio(0); cin.tie(0);
	int n; cin>>n;
	for(int i=0;i<n;i++){
		string u,v; cin>>u>>v; 
	}
	if(n%2) cout<<-1;
	else cout<<n;
}

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