Submission #1247568

#TimeUsernameProblemLanguageResultExecution timeMemory
1247568julia_08Unscrambling a Messy Bug (IOI16_messy)C++20
20 / 100
1 ms328 KiB
#include <bits/stdc++.h>
#include "messy.h"

using namespace std;

int n;

string str(int x){

  string s;

  for(int i=0; i<n; i++){
    if(x & (1 << i)){
      s.push_back('1'); 
    } else s.push_back('0');
  }

  return s;

} 

vector<int> restore_permutation(int n_, int w, int r){

  n = n_;

  for(int i=0; i<n; i++) add_element(str((1 << (i + 1)) - 1));

  compile_set();
  
  vector<int> ans;

  for(int i=0; i<n; i++) ans.push_back(i);

  for(int i=0; i<n; i++){

    if(check_element(str((1 << (i + 1)) - 1))) continue;

    for(int j=(i + 1); j<n; j++){
      if(check_element(str((1 << i) - 1 + (1 << j)))){
        swap(ans[i], ans[j]);
        return ans;
      }
    }

  }

  return ans;

}

Compilation message (stderr)

messy.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
messy_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
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