Submission #1176414

#	Time	Username	Problem	Language	Result	Execution time	Memory
1176414		iyedoo	Combo (IOI18_combo)	C++20	0 / 100	0 ms	396 KiB

combo

#include "combo.h"
using namespace std;

string guess_sequence(int N) {
  string s = "";
  string letters = "";

  int x;

  x = press(s + "A");

  if (x == (int)s.length() + 1) {
      s += "A";
      letters = "BXY";
  }

  else {
      x = press(s + "B");
      if (x == (int)s.length() + 1) {
          s += "B";
          letters = "AXY";
      }

      else {
          x = press(s + "X");
          if (x == (int)s.length() + 1) {
              s += "X";
              letters = "ABY";
          }

          else {
              s += "Y";
              letters = "ABX";
          }
      }
  }

  while ((int)s.length() < N) {
      int x = press(s + letters[0] + s + letters[1] + letters[0] + s + letters[1] + letters[1] + s + letters[1] + letters[2]);
      if (x == (int)s.length()) {
          s += letters[2];
          continue;
      }
      else if (x == (int)s.length() + 1) {
          s += letters[0];
          continue;
      }
      else {
          s += letters[1];
          continue;
      }
  }

  return s;
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 95