Submission #413420

#	Time	Username	Problem	Language	Result	Execution time	Memory
413420		schse	Mechanical Doll (IOI18_doll)	C++17	Compilation error	0 ms	0 KiB

doll

#include "doll.h"
#ifndef EVAL
#include "grader.cpp"
#endif
#include <bits/stdc++.h>
using namespace std;

vector<int> C(17), X(15), Y(15);

vector<bool> tree(16);
void rec(int index, int value)
{
  if (index > 7)
  {
    if (tree[index])
      X[index - 1] = value;
    else
      Y[index - 1] = value;
  }
  else if (tree[index])
    rec(index * 2, value);
  else
    rec(index * 2 + 1, value);
  tree[index] = !tree[index];
}

void create_circuit(int M, std::vector<int> A)
{

  fill(tree.begin(), tree.end(), true);

  for (int i = 1; i < 8; i++)
  {
    X[i - 1] = i * -2;
    Y[i - 1] = i * -2 - 1;
  }

  for (int i = 1; i < N; i++)
  {
    rec(1, A[i]);
  }
  rec(1, 0);

  fill(C.begin(), C.end(), -1);
  C[0] = A[0];
  answer(C, X, Y);
}

Compilation message (stderr)

doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:38:23: error: 'N' was not declared in this scope
   38 |   for (int i = 1; i < N; i++)
      |                       ^