oj.uz

Submission #871777

# Submission time Handle Problem Language Result Execution time Memory
871777 2023-11-11T14:29:36 Z vjudge1 Sequence (APIO23_sequence) C++17
0 / 100
 2000 ms 4764 KB 
#include "sequence.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;

int sequence(int n, std::vector<int> a) {
  ll mx = 0;
  for (int i = 0; i < n; ++i)
    {
      map < int, ll > m;
      int mid = -1, mi = 0;
      for (int j = i; j >= 0; --j)
        {
          ++m[a[j]];
          if (mid == -1) mid = a[j];
          if (a[j] < mid) ++mi;
          if ((i - j + 1) / 2 < mi) mid = prev (m.find (mid))->first, mi -= m[mid];
          if (mi + m[mid] <= (i - j + 1) / 2) mi += m[mid], mid = next (m.find (mid))->first;
          ll ans = m[mid];
          if (mi + m[mid] <= (i - j + 2) / 2)
            ans = max (ans, next (m.find (mid))->second);
          mx = max (mx, ans);
        }
    }
  return mx;
}

Subtask #1
0.0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0.0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0.0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0.0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0.0 / 13.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2039 ms 4764 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0.0 / 22.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0.0 / 18.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -