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Submission #576569

# Submission time Handle Problem Language Result Execution time Memory
576569 2022-06-13T08:04:20 Z vqpahmad Exam (eJOI20_exam) C++14
0 / 100
 1 ms 340 KB 
#include <bits/stdc++.h>
#define ll long long
#define endl '\n'
#define all(a) a.begin(),a.end()
#define mod (ll)(10000007)
using namespace std;
const int mx = 1e6 + 15;




int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int n;
    cin >> n;
    vector<pair<int,int>> ab(n);
    bool flag = 1;
    bool ans = 0;
    for (int i=0;i<n;i++){
        cin >> ab[i].first >> ab[i].second;
        if (i){
            if (ab[i].second!=ab[i-1].second){
                flag = 0;
            }
            if (ab[i].first==ab[i].second || ab[i-1].first==ab[i].second) ans =1;
        }
    }
    if (flag&&ans) cout << n ;
    else cout << 0 << endl;
    
}

Subtask #1
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 22.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -