제출 #398721

#제출 시각아이디문제언어결과실행 시간메모리
398721MilosMilutinovicBrperm (RMI20_brperm)C++14
0 / 100
3068 ms1828 KiB
/** * author: milos * created: 04.05.2021 20:27:22 **/ #include <bits/stdc++.h> #include "brperm.h" using namespace std; string s = ""; void init(int n, const char seq[]) { for (int i = 0; i < n; i++) { s += seq[i]; } } int Rev(int x, int k) { int ret = 0; for (int i = 0; i < k; i++) { if (x & (1 << i)) { ret += (1 << (k - i - 1)); } } return ret; } int query(int i, int k) { if (i + (1 << k) > (int) s.size()) { return 0; } for (int j = i; j < i + (1 << k); j++) { if (s[i] != s[i + Rev(j - i, k)]) { return 0; } } return 1; }
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