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Submission #466610

# Submission time Handle Problem Language Result Execution time Memory
466610 2021-08-19T18:28:30 Z Error42 Exam (eJOI20_exam) C++14
13 / 100
 68 ms 98484 KB 
#include <iostream>
#include <vector>

using namespace std;

int main()
{
    int n;
    cin >> n;
    vector<int> a(n);
    for (int i = 0; i < n; i++)
        cin >> a[i];
    vector<int> b(n);
    for (int i = 0; i < n; i++)
        cin >> b[i];
    vector<vector<int>> dp(n, vector<int>(n, 0));
    for (int j = 0; j < n; j++) {
        dp[0][j] = b[0] == a[j];
    }
    for (int i = 1; i < n; i++) {
        int max_before = max(dp[i - 1][i - 1], dp[i - 1][i]);
        dp[i][i] = max_before + (b[i] == a[i]);
        for (int j = i + 1; j < n; j++) {
            max_before = max(max_before, dp[i - 1][j]);
            dp[i][j] = max_before + (b[i] == a[j]);
        }
    }
#ifdef _DEBUG
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            cout << dp[i][j] << " ";
        }
        cout << "\n";
    }
#endif // _DEBUG

    cout << dp.back().back() << "\n";
}

Subtask #1
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Incorrect 1 ms 204 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 4172 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 2 ms 1228 KB Output is correct
3 Correct 14 ms 16076 KB Output is correct
4 Correct 63 ms 90736 KB Output is correct
5 Correct 66 ms 98388 KB Output is correct
6 Correct 68 ms 98372 KB Output is correct

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 68 ms 98484 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Incorrect 1 ms 204 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #6
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Incorrect 1 ms 204 KB Output isn't correct
6 Halted 0 ms 0 KB -