Submission #889275

#	Time	Username	Problem	Language	Result	Execution time	Memory
889275		Hugo1729	Combo (IOI18_combo)	C++11	5 / 100	1 ms	596 KiB

combo

#include "combo.h"
#include <bits/stdc++.h>

using namespace std;

// int press(string q){return 1;}

string guess_sequence(int N){
  string ans;
  string letters[3];
  if (press("A")==1) {ans="A";letters[0]="B";letters[1]="X";letters[2]="Y";}
  if (press("B")==1) {ans="B";letters[0]="A";letters[1]="X";letters[2]="Y";}
  if (press("X")==1) {ans="X";letters[0]="B";letters[1]="A";letters[2]="Y";}
  if (press("Y")==1) {ans="Y";letters[0]="B";letters[1]="X";letters[2]="A";}

  int n=1;
  
  while(ans.length()<=3-2){

    int query = press(ans+letters[0]+ans+letters[1]+letters[0]+ans+letters[1]+letters[1]+ans+letters[1]+letters[2]);

    if (query==n+1) ans+=letters[0];
    else if (query==n+2) ans+=letters[1];
    else ans+=letters[2];
    n++;
  }

  if (press(ans+letters[0])==N) ans+=letters[0];
  else if (press(ans+letters[1])==N) ans+=letters[1];
  else ans+=letters[2];

  return ans;
}

• Subtask 1: 5 / 5
• Subtask 2: 0 / 95