제출 #645939

#제출 시각아이디문제언어결과실행 시간메모리
645939VanillaBrperm (RMI20_brperm)C++17
0 / 100
142 ms5372 KiB
#include <bits/stdc++.h> #include "brperm.h" using namespace std; int n; string s; void init(int n, const char s[]) { ::n = n; for (int i = 0; i < n; i++){ ::s.push_back(s[i]); } return; } int rev (int x, int k) { int b = 0; for (int i = 0; i < k; i++){ if ((1 << (k - i - 1)) & x) b+=(1 << i); } return b; } int query(int l, int k) { string s1 = "", s2 = ""; for (int i = l; i < l + (1 << k) - 1; i++){ s1.push_back(s[i]); s2.push_back(s[rev(i - l, k) + l]); } // cout << s1 << "\n" << s2 << "\n"; // cout << v1 << "\n" << v2 << "\n\n"; return s1 == s2; }
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