Submission #1049193

#	Time	Username	Problem	Language	Result	Execution time	Memory
1049193		Jer	Combo (IOI18_combo)	C++17	10 / 100	30 ms	848 KiB

combo

    #include "combo.h"
    using namespace std;
     
    string guess_sequence(int n)
    {
      string letters = "ABXY", start, curr, trial;
     
      for (char x : letters)
      {
        start = x;
        if (press(start) == 1)
        {
          break;
        }
      }
     
      curr = start;
     
      while ((int)curr.size() < n)
      {
        bool found_next_char = false;
        for (char x : letters)
        {
          if (x == start[0])
            continue;
     
          trial = curr + x;
          int res = press(trial);
          if (res == (int)curr.size() + 1)
          {
            curr += x;
            found_next_char = true;
            break;
          }
        }
      }
     
      return curr;
    }

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:21:14: warning: variable 'found_next_char' set but not used [-Wunused-but-set-variable]
   21 |         bool found_next_char = false;
      |              ^~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 5 / 95