Submission #899016

#	Time	Username	Problem	Language	Result	Execution time	Memory
899016		efedmrlr	Sequence (APIO23_sequence)	C++17	11 / 100	2081 ms	8380 KiB

sequence

// #pragma GCC optimize("O1,O2,O3,unroll-loops,Ofast")
// #pragma GCC target("avx2")
#include <bits/stdc++.h>
 
#include "sequence.h"
using namespace std;
 
 
#define lli long long int
#define MP make_pair
#define pb push_back
#define REP(i,n) for(int i = 0; (i) < (n); (i)++)

void fastio() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
}
 
 
const double EPS = 0.00001;
const int INF = 1e9+900;
const int N = 3e5+5;
const int ALPH = 26;
const int LGN = 25;
const int MOD = 1e9+7;
const int MXA = 1e9+5;
int m,q;

int sequence(int n, vector<int> a) {
    int ans = 1;
    for(int l = 0; l<n; l++) {
        for(int r = l; r<n; r++) {
            vector<int> tmp, freq(n + 1, 0);
            for(int i = l; i<=r; i++) {
                tmp.pb(a[i]);
                freq[a[i]]++;
            }
            sort(tmp.begin(), tmp.end());
            ans = max(ans , freq[tmp[tmp.size() / 2] ]);  
            if(tmp.size() % 2 == 0) {
                ans = max(ans , freq[tmp[tmp.size() / 2 - 1] ]);  
            }          
        }
    }
    return ans;
}

• 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