How to resolve the algorithm FizzBuzz step by step in the PowerShell programming language

Published on 12 May 2024 09:40 PM
#Powershell

How to resolve the algorithm FizzBuzz step by step in the PowerShell programming language

Table of Contents

Problem Statement

Write a program that prints the integers from   1   to   100   (inclusive).

But:

The   FizzBuzz   problem was presented as the lowest level of comprehension required to illustrate adequacy.

Let's start with the solution:

Step by Step solution about How to resolve the algorithm FizzBuzz step by step in the PowerShell programming language

Source code in the powershell programming language

for ($i = 1; $i -le 100; $i++) {
    if ($i % 15 -eq 0) {
        "FizzBuzz"
    } elseif ($i % 5 -eq 0) {
        "Buzz"
    } elseif ($i % 3 -eq 0) {
        "Fizz"
    } else {
        $i
    }
}

$txt=$null
1..100 | ForEach-Object {
    switch ($_) {
        { $_ % 3 -eq 0 }  { $txt+="Fizz" }
        { $_ % 5 -eq 0 }  { $txt+="Buzz" }
        $_                { if($txt) { $txt } else { $_ }; $txt=$null }
    }
}

1..100 | ForEach-Object {
    $s = ''
    if ($_ % 3 -eq 0) { $s += "Fizz" }
    if ($_ % 5 -eq 0) { $s += "Buzz" }
    if (-not $s) { $s = $_ }
    $s
}

1..100 | % {write-host("$(if(($_ % 3 -ne 0) -and ($_ % 5 -ne 0)){$_})$(if($_ % 3 -eq 0){"Fizz"})$(if($_ % 5 -eq 0){"Buzz"})")}

filter fizz-buzz{
    @(
        $_, 
        "Fizz", 
        "Buzz", 
        "FizzBuzz"
    )[
        2 * 
        ($_ -match '[05]$') + 
        ($_ -match '(^([369][0369]?|[258][147]|[147][258]))$')
    ]
}

1..100 | fizz-buzz

(1..100 -join "`n") + "`nFizzBuzz" -replace '(?ms)(^([369]([369]|(?=0|$))|[258][147]|[147]([28]|(?=5))))(?=[05]?$.*(Fizz))|(((?<=[369])|[^369])0+|((?<=[147\s])|[^147\s])5)(?=$.*(Buzz))|FizzBuzz', '$5$9'

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