Submission #897262

#	Time	Username	Problem	Language	Result	Execution time	Memory
897262		SalihSahin	Logičari (COCI21_logicari)	C++14	10 / 110	47 ms	1572 KiB

Main

#include<bits/stdc++.h>
#define int long long
#define pb push_back
#define mp make_pair
using namespace std;
 
const int mod = 1e9 + 7;
const int inf = 1e17*2;
const int N = 3e5 + 5;
 
int32_t main(){
    int n;
    cin>>n;
    for(int i = 0; i < n; i++){
        int a, b;
        cin>>a>>b;
    }

    if(n%4 == 0) cout<<n/2<<endl;
    else cout<<-1<<endl;
    return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 40
• Subtask 4: 0 / 50