제출 #1218110

#제출 시각아이디문제언어결과실행 시간메모리
1218110KindaGoodGamesBrperm (RMI20_brperm)C++20
13 / 100
3095 ms1520 KiB
#include "brperm.h" #include<bits/stdc++.h> #define int long long using namespace std; int MAXN = 100000; int rev(int a, int p){ int r = 0; int p2 = 1 << p; for(int i = 0; i < p; i++){ int bit = (a & (1<<i)) > 0; r += (1<<(p-i-1)) * bit; } return r; } char str[100000]; int n; void init(int32_t N, const char arr[]) { n = N; for(int i = 0; i < n; i++){ str[i] = arr[i]; } return; } int32_t query(int32_t l, int32_t k) { vector<char> res(n, '#'); int p2 = 1 << k; int r = l +p2-1; if(l + p2 > n) return 0; bool valid = true; for(int i = l; i < l+p2; i++){ int np = rev(i-l, k)+l; res[np] = str[i]; } for(int i = l; i < l+p2; i++){ if(res[i] != str[i]){ valid = false; } } return valid; }
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