Submission #545662

#	Time	Username	Problem	Language	Result	Execution time	Memory
545662		aun5x	Combo (IOI18_combo)	C++14	10 / 100	54 ms	548 KiB

combo

#include "combo.h"

using namespace std;

string guess_sequence(int N) {
  string p = "ABXY";

  char out = 'Z';
  string guess = "";
  while (guess.size() != N)
  {
    for (char c: p)
    {
      if (c != out) 
      {
        int res = press(guess+c);
        if (res - guess.size() == 1){
          guess += c;
          if (guess.size() == 1) out = c;
          break;
        }
      }
    }
  }
  return guess;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:10:23: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   10 |   while (guess.size() != N)
      |          ~~~~~~~~~~~~~^~~~

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