Submission #957779

#	Time	Username	Problem	Language	Result	Execution time	Memory
957779		ALTAKEXE	Sequence (APIO23_sequence)	C++17	11 / 100	2079 ms	4188 KiB

sequence

#include <bits/stdc++.h>
#define ll long long
#define f first
#define s second
using namespace std;
int sequence(int N, std::vector<int> A)
{
  ll ans = 0;
  for (ll i = 0; i < A.size(); i++)
  {
    ll s = 0, c = 0;
    for (ll j = i; j >= 0; j--)
    {
      if (A[i] == A[j])
        c++;
      if (A[i] > A[j])
        s--;
      if (A[i] < A[j])
        s++;
      if (abs(s) <= c)
        ans = max(ans, c);
    }
  }
  return ans;
}

Compilation message (stderr)

sequence.cpp: In function 'int sequence(int, std::vector<int>)':
sequence.cpp:9:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 |   for (ll i = 0; i < A.size(); i++)
      |                  ~~^~~~~~~~~~

• Subtask 1: 11 / 11
• Subtask 2: 0 / 17
• Subtask 3: 0 / 7
• Subtask 4: 0 / 12
• Subtask 5: 0 / 13
• Subtask 6: 0 / 22
• Subtask 7: 0 / 18