제출 #752892

#제출 시각아이디문제언어결과실행 시간메모리
752892I_love_Hoang_Yen서열 (APIO23_sequence)C++17
11 / 100
50 ms4184 KiB
#include "sequence.h" #include <bits/stdc++.h> #define SZ(s) ((int) ((s).size())) using namespace std; vector<int> medians(const vector<int> values) { int n = SZ(values); assert(n > 0); if (n % 2 == 0) { return {values[n/2 - 1], values[n / 2]}; } else { return {values[n/2]}; } } int sub1(const vector<int>& a) { int n = SZ(a); int res = 0; for (int l = 0; l < n; ++l) { for (int r = l; r < n; ++r) { vector<int> b(a.begin() + l, a.begin() + r + 1); unordered_map<int, int> cnt; for (int val : b) cnt[val] += 1; sort(b.begin(), b.end()); auto meds = medians(b); for (int med : meds) { res = max(res, cnt[med]); } } } return res; } int sequence(int n, std::vector<int> a) { if (n <= 100) return sub1(a); return 0; }
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