Submission #1296087

#	Time	Username	Problem	Language	Result	Execution time	Memory
1296087		lukaye_19	Stations (IOI20_stations)	C++20	Compilation error	0 ms	0 KiB

stations

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

using namespace std;

vector<int> label(int n, int k, vector<int> u, vector<int> v) 
{
  vector<int>labels(n);
  
  for (int i = 0; i < n; i++)
  {
    labels[i] = i;
  }
  
  return labels;
}

int ischild(int targetchild,int parentchild)
{
  if (parent == targetchild) return true;
  
  while (parent >= targetchild)
  {
    parent = (parent - 1) / 2;
    
    if (parent == targetchild) return true;
  }
  
  return false;
}

int find_next_station(int s, int t, vector <int> c)
{
  if (c.size() == 1) return c[0];
  
  else if(s == 0){
      if (ischild(c[0],t)) return c[0];
      
      return c[1];
  }  
  else
  {
      if (ischild(c[1],t)) return c[1];
      
      if (c.size() == 3 && ischild(c[2],t)) return c[2];
      
      return c[0];
  }
}

Compilation message (stderr)

stations.cpp: In function 'int ischild(int, int)':
stations.cpp:20:7: error: 'parent' was not declared in this scope
   20 |   if (parent == targetchild) return true;
      |       ^~~~~~
stations.cpp:22:10: error: 'parent' was not declared in this scope
   22 |   while (parent >= targetchild)
      |          ^~~~~~