Submission #89656

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
89656	2018-12-18 02:22:42	asifthegreat	Combo (IOI18_combo)	C++14	100 / 100	64 ms	544 KiB

combo

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#include <bits/stdc++.h>
#include "combo.h"
using namespace std;
std::string guess_sequence(int N) 
{
  int k = press("AB");
  //debug(k);
  char first_letter = '[';
  if(k == 2){
    first_letter = 'A';
  }
  else if(k == 1){
    if(press("B"))first_letter = 'B';//ABBXXYXYXYXYXYXYBBBBBBs
    else first_letter = 'A';
  }
  else{
    if(press("X"))first_letter = 'X';
    else first_letter = 'Y';
  }
    //debug(first_letter);
  string ss;
  if(first_letter != 'A' )ss.push_back('A');
  if(first_letter != 'B' )ss.push_back('B');
  if(first_letter != 'X' )ss.push_back('X');
  if(first_letter != 'Y' )ss.push_back('Y');
  //debug(ss);
  string ans;
  ans.push_back(first_letter);
  for(int i = 1; i < N;i++){
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 95 / 95