Submission #1238665

#	Time	Username	Problem	Language	Result	Execution time	Memory
1238665		yuichiro17	Combo (IOI18_combo)	C++20	30 / 100	10 ms	468 KiB

combo

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

string guess_sequence(int n) {
  string pref="";
  for(int i=0;i<n;i++){
    if(press(pref+"A"+pref+"B")>i){
      if(press(pref+"A")>i){
        pref+="A";
      }else{
        pref+="B";
      }
    }else{
      if(press(pref+"X")>i){
        pref+="X";
      }else{
        pref+="Y";
      }
    }
  }
  return pref;
}

• Subtask 1: 5 / 5
• Subtask 2: 25 / 95