| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1222312 | __moin__ | Brperm (RMI20_brperm) | C++20 | 3093 ms | 2956 KiB |
#include "brperm.h"
#include <bits/stdc++.h>
using namespace std;
int n;
vector<int> v;
void init(int N, const char s[]) {
n = N;
v.resize(n);
for (int i = 0; i < n; i++) v[i] = s[i];
return;
}
int reverse(int x, int k) {
int y = 0;
for (int i = 0; i < k; i++) {
int bit = (x & (1 << i)) != 0;
y |= bit << (k-i-1);
}
return y;
}
int query(int i, int k) {
if (i + (1<<k) > n) return 0;
for (int j = 0; j < (1<<k); j++) {
if (v[i+j] != v[i+reverse(j,k)]) return 0;
}
return 1;
}
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