oj.uz

Submission #981991

# Submission time Handle Problem Language Result Execution time Memory
981991 2024-05-13T17:47:50 Z vjudge1 Sequence (APIO23_sequence) C++17
0 / 100
 959 ms 2097152 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace std;
using namespace __gnu_pbds;

typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;

int sequence(int n, vector <int> a){

    vector <vector <int>> repe(n+1, vector<int>(n+1));

    for(int i=1; i<=n; i++){
        for(int j=1; j<=n; j++){
            repe[i][j] = repe[i][j-1] + (a[j-1] == i);
        }
    }

    int ans = 0;

    for(int i=0; i<n; i++){
        ordered_set st;
        for(int j=i; j<n; j++){

            st.insert(a[j]);

            int x = st.order_of_key((j-i)/2);
            int y = st.order_of_key((j-i+1)/2);

            ans = max(ans, repe[x][j+1]-repe[x][i]);
            ans = max(ans, repe[y][j+1]-repe[y][i]);
        }
        st.clear();
    }

    return ans;

}

Subtask #1
0.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Incorrect 1 ms 348 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
0.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Incorrect 1 ms 348 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
0.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Runtime error 959 ms 2097152 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #4
0.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Runtime error 764 ms 2097152 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #5
0.0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 777 ms 2097152 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #6
0.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Incorrect 1 ms 348 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #7
0.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Incorrect 1 ms 348 KB Output isn't correct
5 Halted 0 ms 0 KB -