Submission #998478

#	Time	Username	Problem	Language	Result	Execution time	Memory
998478		ezzzay	Combo (IOI18_combo)	C++14	10 / 100	57 ms	940 KiB

combo

#include "combo.h"
#include<bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
#define pb push_back
std::string guess_sequence(int N) {
  int k=0;
  string p;
  for(int i=0;i<N;i++){
    string tmp=p+'X';
    if(press(tmp)==k+1){
      p+='X';
      k++;
      continue;
    }
    tmp=p+'Y';
    if(press(tmp)==k+1){
      p+='Y';
      k++;
      continue;
    }
    tmp=p+'A';
    if(press(tmp)==k+1){
      p+='A';
      k++;
      continue;
    }
    tmp=p+'B';
    if(press(tmp)==k+1){
      p+='B';
      k++;
      continue;
    }
  }
  
  return p;
}

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