oj.uz

답안 #398725

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
398725 2021-05-04T18:48:28 Z MilosMilutinovic Brperm (RMI20_brperm) C++14
50 / 100
 3000 ms 9624 KB 
/**
 *    author:  milos
 *    created: 04.05.2021 20:27:22       
**/
#include <bits/stdc++.h>
#include "brperm.h"
#pragma GCC optimize("O3")
 
using namespace std;

const int N = 500050;
 
string s = "";
vector<pair<int, int>> a(N);

void Calc(int n) {
  for (int i = 0; i < n; i++) {
    int j = i, cnt = 0, res = 0;
    while (j) {
      res = res * 2 + j % 2;
      cnt++;
      j /= 2;
    }
    a[i] = {res, cnt};
  } 
}

void init(int n, const char seq[]) {
  for (int i = 0; i < n; i++) {
    s += seq[i];
  }
  Calc(n); 
}

int Rev(int x, int k) {
  return a[x].first * (1 << (k - a[x].second));
}

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[j] != s[i + Rev(j - i, k)]) {
      return 0;  
    }
  }
  return 1;
}

Subtask #1
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4172 KB Output is correct
2 Correct 3 ms 4172 KB Output is correct

Subtask #2
37.0 / 37.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4172 KB Output is correct
2 Correct 3 ms 4172 KB Output is correct
3 Correct 30 ms 5672 KB Output is correct
4 Correct 31 ms 5644 KB Output is correct
5 Correct 30 ms 5572 KB Output is correct

Subtask #3
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 3080 ms 9624 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 33.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4172 KB Output is correct
2 Correct 3 ms 4172 KB Output is correct
3 Correct 30 ms 5672 KB Output is correct
4 Correct 31 ms 5644 KB Output is correct
5 Correct 30 ms 5572 KB Output is correct
6 Execution timed out 3080 ms 9624 KB Time limit exceeded
7 Halted 0 ms 0 KB -