제출 #1334180

#제출 시각아이디문제언어결과실행 시간메모리
1334180SulA서열 (APIO23_sequence)C++20
0 / 100
134 ms17904 KiB
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
template<typename T> using ordered_set = tree<T, null_type, less_equal<T>, rb_tree_tag, tree_order_statistics_node_update>;

int sequence(int n, vector<int> a) {
    auto b = a;
    ranges::sort(b);
    int med = b[(n-1)/2];
    map<int,int> frq;
    int ans = 1;
    for (int x : a) {
        if (x >= med) {
            ans = max(ans, ++frq[x]);
        }
    }
//    cout<<med<<'\n';
    return ans;
}
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