제출 #1190699

#제출 시각아이디문제언어결과실행 시간메모리
1190699Abdalaziz_AlshamiLove Polygon (BOI18_polygon)C++20
0 / 100
8 ms328 KiB
#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;
}
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