How to resolve the algorithm Guess the number/With feedback (player) step by step in the J programming language

Published on 12 May 2024 09:40 PM
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How to resolve the algorithm Guess the number/With feedback (player) step by step in the J programming language

Table of Contents

Problem Statement

Write a player for the game that follows the following rules: The computer should guess intelligently based on the accumulated scores given. One way is to use a Binary search based algorithm.

Let's start with the solution:

Step by Step solution about How to resolve the algorithm Guess the number/With feedback (player) step by step in the J programming language

Source code in the j programming language

require 'misc'
guess=:3 :0
  'lo hi'=.y
  while.lo < hi do.
    smoutput 'guessing a number between ',(":lo),' and ',":hi
    guess=.lo+?hi-lo
    select.{.deb tolower prompt 'is it ',(":guess),'? '
      case.'y'do. smoutput 'Win!' return.
      case.'l'do. lo=.guess+1
      case.'h'do. hi=.guess-1
      case.'q'do. smoutput 'giving up' return.
      case.   do. smouput 'options: yes, low, high, quit'
    end.
  end.
)


   guess 1 100
guessing a number between 1 and 100
is it 86? hi
guessing a number between 1 and 85
is it 56? hi
guessing a number between 1 and 55
is it 24? lo
guessing a number between 25 and 55
is it 29? lo
guessing a number between 30 and 55
is it 43? lo
guessing a number between 44 and 55
is it 53? hi
guessing a number between 44 and 52
is it 51? hi
guessing a number between 44 and 50
is it 48? lo
guessing a number between 49 and 50
is it 49? lo
50

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