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Submission #897262

# Submission time Handle Problem Language Result Execution time Memory
897262 2024-01-02T20:31:24 Z SalihSahin Logičari (COCI21_logicari) C++14
10 / 110
 47 ms 1572 KB 
#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
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 38 ms 1572 KB Output is correct
6 Correct 38 ms 1372 KB Output is correct
7 Correct 37 ms 1560 KB Output is correct
8 Correct 47 ms 1420 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 40.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 38 ms 1572 KB Output is correct
6 Correct 38 ms 1372 KB Output is correct
7 Correct 37 ms 1560 KB Output is correct
8 Correct 47 ms 1420 KB Output is correct
9 Incorrect 0 ms 344 KB Output isn't correct
10 Halted 0 ms 0 KB -