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Submission #833340

# Submission time Handle Problem Language Result Execution time Memory
833340 2023-08-22T04:43:19 Z vjudge1 Exam (eJOI20_exam) C++17
0 / 100
 1000 ms 41932 KB 
#include <bits/stdc++.h>
using namespace std;

int n;
int h[100005];
int t[100005];
int dp[5005][5005];

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);

    cin >> n;
    for (int i = 0; i < n; i++) {
        cin >> h[i];
    }
    for (int i = 0; i < n; i++) {
        cin >> t[i];
    }

    for (int i = 0; i < n; i++) {
        dp[i][i] = (h[i] == t[i] ? 1 : 0);
    }
    for (int d = 1; d < n; d++) {
        for (int i = 0; i + d < n; i++) {
            dp[i][i+d] = 0;
            for (int j = i; j < i + d; j++) {
                dp[i][i+d] = max(dp[i][i+d], dp[i][j] + dp[j+1][i+d]);
            }
            int maxx = 0;
            for (int j = i; j <= i + d; j++) {
                maxx = max(maxx, h[j]);
            }
            int cnt = 0;
            for (int j = i; j <= i + d; j++) {
                if (t[j] == maxx) {
                    cnt++;
                }
            }
            dp[i][i+d] = max(dp[i][i+d], cnt);
        }
    }
    cout << dp[0][n-1] << '\n';

    return 0;
}

Subtask #1
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Incorrect 0 ms 340 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 455 ms 6264 KB Output is correct
2 Runtime error 57 ms 41932 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

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

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1095 ms 28112 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Incorrect 0 ms 340 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 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Incorrect 0 ms 340 KB Output isn't correct
6 Halted 0 ms 0 KB -