Submission #1168640

#	Time	Username	Problem	Language	Result	Execution time	Memory
1168640		rayan_bd	Sequence (APIO23_sequence)	C++20	0 / 100	472 ms	35644 KiB

sequence

#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;
}

• 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