제출 #985121

#제출 시각아이디문제언어결과실행 시간메모리
985121Muhammad_Aneeq서열 (APIO23_sequence)C++17
0 / 100
2066 ms8120 KiB
#include "sequence.h"
#include <vector>
#include <set>
using namespace std;
int sequence(int N,vector<int> A) 
{
  int ans=1;
  int cnt[N+10]={};
  multiset<int>s;
  for (int i=0;i<N;i++)
  {
    for (int j=i;j<N;j++)
    {
      s.insert(A[j]);
      cnt[A[j]]++;
      auto f=(next(begin(s),s.size()/2));
      if (s.size()%2==0)
      {
        ans=max(ans,cnt[*f]);
        f++;
        ans=max(ans,cnt[*f]);
      }
      else
        ans=max(ans,cnt[*f]);
    }
    s={};
    for (int j=i;j<N;j++)
      cnt[A[j]]--;
  }
  return ans;
  return 0;
}
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