Submission #985146

#	Time	Username	Problem	Language	Result	Execution time	Memory
985146		CrazyBotBoy	Sequence (APIO23_sequence)	C++17	11 / 100	2053 ms	5500 KiB

sequence

#include "sequence.h"
#include <vector>
#include <unordered_map>
#include <algorithm>
#include <iostream>
 
using namespace std;
 
int sequence(int N, vector<int> A) {
    int maxOccurrences = 0;
    
    for (int l = 0; l < N; ++l) {
        unordered_map<int, int> freq;
        vector<int> subarray;
        
        for (int r = l; r < N; ++r) {
            subarray.push_back(A[r]);
            freq[A[r]]++;
            
            vector<int> temp = subarray;
            sort(temp.begin(), temp.end());
            int k = temp.size();
            int median1 = temp[(k - 1) / 2];
            int median2 = temp[k / 2];
            
            maxOccurrences = max(maxOccurrences, freq[median1]);
            if (median1 != median2) {
                maxOccurrences = max(maxOccurrences, freq[median2]);
            }
        }
    }
    
    return maxOccurrences;
}

• 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