How to resolve the algorithm Bulls and cows step by step in the Ring programming language

Published on 12 May 2024 09:40 PM
#Ring

How to resolve the algorithm Bulls and cows step by step in the Ring programming language

Table of Contents

Problem Statement

Bulls and Cows   is an old game played with pencil and paper that was later implemented using computers.

Create a four digit random number from the digits   1   to   9,   without duplication. The program should:

The score is computed as:

Let's start with the solution:

Step by Step solution about How to resolve the algorithm Bulls and cows step by step in the Ring programming language

Source code in the ring programming language

# Project : Bulls and cows

secret = ""
while len(secret) != 4
        c = char(48 + random(9))
        if substr(secret, c) = 0
           secret = secret + c
        ok
end

see "guess a four-digit number with no digit used twice."
guesses = 0
guess = ""
while true
        guess = ""
        while len(guess) != 4
                see "enter your guess: "
                give guess
                if len(guess) != 4
                   see "must be a four-digit number" + nl
                ok
        end 
        guesses = guesses + 1 
        if guess = secret
           see "you won after " + guesses + " guesses!"
           exit             
        ok 
        bulls = 0
        cows = 0
        for i = 1 to 4
             c = secret[i]
             if guess[i] = c
                bulls = bulls + 1
             but substr(guess, c) > 0
                 cows = cows + 1
             ok
        next
        see "you got " + bulls + " bull(s) and " + cows + " cow(s)." + nl
end

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