Submission #1271991

#	Time	Username	Problem	Language	Result	Execution time	Memory
1271991		oswaldzz	Logičari (COCI21_logicari)	C++20	10 / 110	11 ms	576 KiB

Main

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define nl endl
#define hehe ios_base::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL)  ;
 
// const int mod = 998244353;
const int mod = 1e9+7;
const int M = 2e5+5;

void solve(){
    int n; cin >> n;
    for(int i = 1; i<=n; i++){
        int l,r; cin >> l >> r;
    }
    if(n%4!=0){
        cout << "-1" << nl;
        return;
    }
    else{
        cout << (n/4)*2 << nl;
    }
} 


signed main(){
    hehe
    // int t; cin >> t;
    int t = 1;
    while(t--){
        solve();
    }
}

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