Submission #1126793

#	Time	Username	Problem	Language	Result	Execution time	Memory
1126793		m0vlan	Combo (IOI18_combo)	C++20	10 / 100	19 ms	448 KiB

combo

#include "combo.h"
#include <set>


std::string guess_sequence(int N) {
  std::string p="";
    std::set<char>st={'A','X','B','Y'};
  for (char i:st) {
    if (press(p+i)==1) {
      p+=i;
      st.erase(i);
      break;
    }
  }
  while (p.size()<N) {
    for (char i:st) {
      if (press(p+i)==p.size()+1) {
          p+=i;
          break;
      }
    }
  }
  return p;

}

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