Submission #1168640

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1168640	2025-03-17 17:49:38	rayan_bd	Sequence (APIO23_sequence)	C++20	0 / 100	472 ms	35644 KiB

sequence

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#include <bits/stdc++.h>
using namespace std;
const double INF = 5e18;
const int mxN = 5e5+100;
#define fi first
#define se second
#define all(v) v.begin(), v.end()
int sequence(int N,vector<int> A){
  map<int,pair<int,int>> mp;
  for(int i=0;i<N;++i){
    if(!mp.count(A[i])) mp[A[i]].fi=i;
    mp[A[i]].se=i;
  }
  int ans=1;
  for(auto it:A){
    if((mp[it].se-mp[it].fi+1)<=4) ans=2;
  }
  return ans;
}
 
 
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• Subtask 1: 0 / 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