Submission #992803

#	Time	Username	Problem	Language	Result	Execution time	Memory
992803		Muaath_5	Cave (IOI13_cave)	C++17	13 / 100	257 ms	544 KiB

cave

#include "cave.h"
#include <bits/stdc++.h>

void exploreCave(int n) {
  int sure[n] = {};
  int correct[n] = {};
  int index[n] = {};
  for (int i = 0; i < n; i++) {
    
    int l = 0, r = n-1;
    while (l < r) {
      const int mid = (l+r)/2;
      int cpy[n];
      for (int i = 0; i < n; i++)
        cpy[i] = correct[i];
      
      for (int i = mid+1; i < n; i++)
        if (!sure[i])				
          cpy[i] = 1;

      if (tryCombination(cpy) == i)
        l = mid+1;
      else
        r = mid;
    } 
    index[i] = l;
    sure[l] = 1;
  }
  int idx[n] = {};
  for (int i = 0; i < n; i++)
    idx[index[i]] = i;
  answer(correct, idx);
}

• Subtask 1: 0 / 12
• Subtask 2: 13 / 13
• Subtask 3: 0 / 21
• Subtask 4: 0 / 30
• Subtask 5: 0 / 24