Submission #1006861

#	Time	Username	Problem	Language	Result	Execution time	Memory
1006861		christinelynn	Combo (IOI18_combo)	C++17	Compilation error	0 ms	0 KiB

combo

#include <bits/stdc++.h>
using namespace std;

string guess_sequence(int n) {
  vector<char> c = {'A', 'B', 'X', 'Y'};

  string s = "...";
  for (auto &i : c) {
    for (auto &j : c) {
      for (auto &k : c) {
        s[0] = i;
        s[1] = j;
        s[2] = k;
        if (press(s)) {
          return s;
        }
      }
    }
  }
  return s;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:14:13: error: 'press' was not declared in this scope
   14 |         if (press(s)) {
      |             ^~~~~