제출 #901321

#제출 시각아이디문제언어결과실행 시간메모리
901321tkm_algorithms서열 (APIO23_sequence)C++17
0 / 100
2092 ms6632 KiB
#include <bits/stdc++.h> using namespace std; int sequence(int n, vector<int> a) { int ans = 0; for (int i = 0; i < n; ++i) { multiset<int> x; for (int j = i; j < n; ++j) { x.insert(a[j]); int cnt = 0; int d = (j - i) >> 1; int b = (j - i + 1) >> 1; int c1 = 0, c2 = 0; for (auto k: x) { if (cnt == d) c1 = k; if (cnt == b) { c2 = k; break; } ++cnt; } int l = *x.upper_bound(c1) - *x.lower_bound(c1) + 1; int r = *x.upper_bound(c2) - *x.lower_bound(c2) + 1; if (l > ans) ans = l; if (r > ans) ans = r; // cout << x.count(c1) << endl; // cout << x.count(c2) << endl; } } return ans; } //int main() { // int n; // cin >> n; // vector<int> a(n); // for (int i = 0; i < n; ++i) // cin >> a[i]; // cout << sequence(n, a); // return 0; //}
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