Submission #954263

#	Time	Username	Problem	Language	Result	Execution time	Memory
954263		Trisanu_Das	Sequence (APIO23_sequence)	C++17	Compilation error	0 ms	0 KiB

sequence

#include <bits/stdc++.h>
#include "sequence.h"
using namespace std;
 
int sequence(int n, vector<int> a){
  int occ[n + 1], ans = 0;
  for(int i = 0; i < n; i++){
    memset(occ, 0, sizeof(occ));
    multiset<int> l, r;
    for(int j = i; j < n; j++){
      occ[a[j]]++;
      if(r.empty() || A[j] <= *r.begin()) l.insert(A[j]);
      else r.insert(A[j]);
      
      if(l.size() > r.size() + 1){
        r.insert(*--l.end());
        l.erase(--l.end());
      }
      if(r.size() > l.size()){
        l.insert(*r.begin());
        r.erase(r.begin());
      }
      ans = max(ans, occ[*--l.end()]);
      if(l.size() == r.size()) ans = max(ans, occ[*r.begin()]);
    }
  }
  return ans;
}

Compilation message (stderr)

sequence.cpp: In function 'int sequence(int, std::vector<int>)':
sequence.cpp:12:23: error: 'A' was not declared in this scope
   12 |       if(r.empty() || A[j] <= *r.begin()) l.insert(A[j]);
      |                       ^