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Submission #756548

# Submission time Handle Problem Language Result Execution time Memory
756548 2023-06-11T21:19:06 Z tibinyte Exam (eJOI20_exam) C++17
0 / 100
 5 ms 340 KB 
#include <bits/stdc++.h>
using namespace std;
int main()
{
    int n;
    cin >> n;
    vector<int> a(n + 1);
    vector<int> b(n + 1);
    for (int i = 1; i <= n; ++i)
    {
        cin >> a[i];
    }
    for (int i = 1; i <= n; ++i)
    {
        cin >> b[i];
    }
    vector<int> dp(n + 1);
    for (int i = 1; i <= n; ++i)
    {
        int cnt = 0;
        for (int j = i; j >= 1; --j)
        {
            if (a[j] > a[i])
            {
                break;
            }
            cnt += b[j] == a[i];
            dp[i] = max(dp[i], dp[j - 1] + cnt);
        }
    }
    int ans = 0;
    for (int i = 1; i <= n; ++i)
    {
        int rep = dp[i];
        for (int j = i + 1; j <= n; ++j)
        {
            if (a[j] > a[i])
            {
                break;
            }
            rep += b[j] == a[i];
        }
        ans = max(ans, rep);
    }
    cout << ans;
}

Subtask #1
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 296 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Incorrect 1 ms 212 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 324 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 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 5 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 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 296 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Incorrect 1 ms 212 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 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 296 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Incorrect 1 ms 212 KB Output isn't correct
6 Halted 0 ms 0 KB -