Submission #992825

#	Time	Username	Problem	Language	Result	Execution time	Memory
992825		Muaath_5	Cave (IOI13_cave)	C++17	Compilation error	0 ms	0 KiB

cave

#include "cave.h"
void exploreCave(int n) {
  int sure[n] = {}, correct[n] = {}, index[n] = {};
  for (int i = 0; i < n; i++) {
    int open = tryCombination(correct) == 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];
      if (!open) {
        for (int i = mid+1; i < n; i++)
          if (!sure[i])				
            cpy[i] = 1;
      }
      else {
        for (int i = 0; i <= mid; i++)
          if (!sure[i])
            cpy[i] = 1;
      }
      if (tryCombination(cpy) == i)
        l = mid+1;
      else
        r = mid;
    } 
    index[l] = i, correct[l] = open, sure[l] = 1;
  }
  answer(correct, idx);
}

Compilation message (stderr)

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:29:19: error: 'idx' was not declared in this scope; did you mean 'index'?
   29 |   answer(correct, idx);
      |                   ^~~
      |                   index