Submission #239387

#	Time	Username	Problem	Language	Result	Execution time	Memory
239387		ctziapo	Combo (IOI18_combo)	C++14	10 / 100	119 ms	576 KiB

combo

#include "combo.h"
using namespace std;

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

  int t=press("AB");

  if(t!=0){
    int t2=press("A");
    if(t2==1){
        s="A";
    }
    else
        s="B";
  }
  else
  {
    int t2=press("X");
    if(t2==1){
        s="X";
    }
    else
        s="Y";
  }

//  cout<<"first letter is "<<s<<endl;

  int cou=1;
  string ans;
  ans=s;
  while(cou!=N){

    string f;
    f=ans+"A";
    if(press(f)==cou+1){
        ans=f;
        cou++;
        continue;
    }
    f=ans+"B";
    if(press(f)==cou+1){
        ans=f;
        cou++;
        continue;
    }
     f=ans+"X";
    if(press(f)==cou+1){
        ans=f;
        cou++;
        continue;
    }
     f=ans+"Y";
    if(press(f)==cou+1){
        ans=f;
        cou++;
        continue;
    }






  }
//  cout<<"answeeer "<<ans<<endl;

  return ans;
}

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