Submission #142690

#	Time	Username	Problem	Language	Result	Execution time	Memory
142690		triplem5ds	Combo (IOI18_combo)	C++14	30 / 100	68 ms	536 KiB

combo

#include "combo.h"
//#include "grader.cpp"
#include <bits/stdc++.h>
using namespace std;
set<char> go = {'A','B','X','Y'};

std::string guess_sequence(int N) {
  std::string p = "";

  for(int i = 0; i < N; i++){
  	for(auto c : go){
      p.push_back(c);
      if(c == *go.rbegin())break;
  		int x = press(p);
  		if(x > i){
  			break;
  		}
  		p.pop_back();
  	}
  	go.erase(p[0]);
  }
  return p;
}

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