Submission #278802

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
278802	2020-08-21 23:17:01	themax23	Combo (IOI18_combo)	C++17	30 / 100	59 ms	580 KiB

combo

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#include "combo.h"
#include <bits/stdc++.h>
using namespace std;
std::string guess_sequence(int N) {
  //first part: Getting the first letter
  string first = "";
  int fcoin = press("XY");
  if (fcoin){
    if(press("X"))
      first = "X";
    else
      first = "Y";
  }
  else{
    if(press("A"))
      first = "A";
    else
      first = "B";
  }
  string posibles = "",ans = first;
  if(first == "A")    posibles = "BXY";
  else if(first == "B") posibles = "AXY";
  else if(first == "X") posibles = "ABY";
  else          posibles = "ABX";
  
  for(int i = 1; i < N; ++i){
    string test = ans + posibles[0] + ans + posibles[1];
    if(press(test) > i){
      if(press(test.substr(0,i+1)) > i)
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 25 / 95