Submission #1020993

#	Time	Username	Problem	Language	Result	Execution time	Memory
1020993		Solikha	Combo (IOI18_combo)	C++17	Compilation error	0 ms	0 KiB

combo

#include <bits/stdc++.h>


using namespace std;


string guess_sequence(int N) {
  string s = "", t = "ABXY", tmp = "";
  for(int i = 0; i < 4; i++){
    if(press(s + t[i]) == 1){
      s += t[i];
    }
  }
  for(int i = 0; i < 4; i++){
    if (t[i] != s[0]) tmp += t[i];
  }
  while(press(s) != N){
    for(int i = 0; i < 3; i++){
      if(press(s + tmp[i]) == s.size() + 1){
        s += tmp[i]; break;
      }
    }
  }

  return s;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:10:8: error: 'press' was not declared in this scope
   10 |     if(press(s + t[i]) == 1){
      |        ^~~~~
combo.cpp:17:9: error: 'press' was not declared in this scope
   17 |   while(press(s) != N){
      |         ^~~~~