Daily Challenge #40 - Counting Sheep

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You're having trouble falling asleep, so your challenge today is to count sheep!

Given a non-negative integer, 3 for example, return a string with a murmur: "1 sheep...2 sheep...3 sheep...". Input will always be valid, i.e. no negative integers.

Happy Coding!


This challenge comes from joshra on CodeWars. Thank you to CodeWars, who has licensed redistribution of this challenge under the 2-Clause BSD License!

Want to propose a challenge for a future post? Email yo+challenge@dev.to with your suggestions!

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markdown guide
 

This was quite a simple one so I decided to spice it up with emoji! Also, next-gen sleep simulation at the end.

Code:

# -*- coding: UTF-8 -*-

def countSheep(sheepToCount):
        sheepString = ""
        outputString = ""
        for i in range(sheepToCount):
                sheepString += "πŸ‘ "
                outputString += "{}... ".format(sheepString)
        outputString +="ZZZzzzzzzz"
        print(outputString)

countSheep(5)

Output:

πŸ‘ ... πŸ‘ πŸ‘ ... πŸ‘ πŸ‘ πŸ‘ ... πŸ‘ πŸ‘ πŸ‘ πŸ‘ ... πŸ‘ πŸ‘ πŸ‘ πŸ‘ πŸ‘ ... ZZZzzzzzzz
 

Did anybody talk about oneliner?

f=(i)=>[...Array(i)].map((_,i)=>`${i+1} sheep... `).join``

And the results

f(10);
// "1 sheep... 2 sheep... 3 sheep... 4 sheep... 5 sheep... 6 sheep... 7 sheep... 8 sheep... 9 sheep... 10 sheep... "
 

This is sweet. Something similar but with more Array and less map:

const f = i => Array.from(Array(i), (_, i) => `${i + 1} sheep... `).join``

or

const f = i => Array.from({ length: i }, (_, i) => `${i + 1} sheep... `).join``
 

PHP

<?php

/**
 * Daily Challenge #40 - Counting Sheep
 *
 * @param  int    $number Number of sheeps.
 * @return string
 */
function countingSheep(int $number): string
{
  $text = '';
  for ($i = 1; $i <= $number; $i++) {
    $text .= "$i sheep...";
  }

  return $text;
}


echo countingSheep(3);
// Output: 1 sheep...2 sheep...3 sheep...
 

PHP

I counted bugs because that is more reflective of what I would do while working :)

I also added a message for if you are able to go to sleep immediately

<?php

function countBugs(int $bugs): string {
  if ($bugs === 0) {
    return "sleep tight..." . PHP_EOL;
  }

  $count = 0;
  $text = ++$count . " bug..." . PHP_EOL;

  while ($count < $bugs) {
    $text .= ++$count . " bugs.." . PHP_EOL;
  }

  return $text;
}

echo "Counting three bugs..." . PHP_EOL;
echo countBugs(3);

echo "Counting no bugs..." . PHP_EOL;
echo countBugs(0);
 

JavaScript

function cs(n) {
    if (typeof n != "number" && n < 0) return `${n} is not a valid number`;

    let text = "";

    for(let x = 0; x < n; x++) {
        text += `${x} sheep... `
    }

    return text;
}

cs(3) // 0 sheep... 1 sheep... 2 sheep...
 

JavaScript

/**
 * Daily Challenge #40 - Counting Sheep
 *
 * @param  {number}        Number of sheeps.
 * @return {string}
 */
const countingSheep = number => {
  // Checking if positive integer or not.
  if (!(number >>> 0 === parseFloat(number))) {
    return `${number} is not a positive integer`;
  }

  let text = '';

  // Building text.
  for (let i = 1; i <= number; i++) {
    text += `${i} sheep...`;
  }
  return text;
};

console.log(countingSheep(3));
// Output: 1 sheep...2 sheep...3 sheep...

 
 

My solution in js

const murmur = (times) => Array(times).fill()
                                      .map((value, index) => `${index+1} sheep...`)
                                      .join(' ');
 

Rust solution: [Playground](

fn count_sheeps(num: u32) -> String {
    let sheep = "πŸ‘"; 
    (1..=num)
        // .map(|n| format!("{} sheep...", n))
        .map(|n| format!("{}... ", sheep.repeat(n as usize)))
        .collect::<Vec<String>>()
        .join("")
}

// -> πŸ‘... πŸ‘πŸ‘... πŸ‘πŸ‘πŸ‘... 
 
shep = fn n -> 1..n |> Stream.map(&("#{&1} sheep")) |> Enum.join("...") end

IO.puts(shep.(5))
# 1 sheep...2 sheep...3 sheep...4 sheep...5 sheep

⬆️elixir
That was fast... might as well do it in another language too.
⬇️javascript

const shep = (n) => new Array(n).fill(null).map((_, i) => `${i+1} sheep`).join("...")

console.log(shep(5))
// 1 sheep...2 sheep...3 sheep...4 sheep...5 sheep
 

Most of the solutions are not taking input
0
into consideration.
Like for 0 the output should be
"0"
not an empty string.

Edit that can be made to question statement.
As according to question input can be a non-negative number. For rest of the inputs it should be like for 3,
"0 1 sheep...2 sheep... 3sheep..."

Pattern is print the numbers upto n starting with 0 and concate the string " sheep..." with them.

 

I kind of understand your suggestion (as zero is not positive nor negative, and the question statement would be more accurate if it was "Given a positive integer"), but I don't see why you suggest that base case.

Why for zero the output should be "0" and not "0 sheep..." or an empty string?

 

I made some assumptions for the pattern.

As i think the pattern is to print the numbers upto inputted number and concatinating string " sheep...", so as the total number of string " sheep..." in output string is equal to inputted number. that is no string for 0 but the "0" represent the number.

 

Oh, alright.

shep = fn
  0 -> ""
  n -> 1..n |> Stream.map(&("#{&1} sheep")) |> Enum.join("...") 
end

IO.puts(shep.(0))
# 
 

Scheme

(define (countSheep n)
  (if (< n 1) 
    ""
    (string-append (countSheep (- n 1)) (number->string n) " sheep...")
  )
)

A demo can be seen in Repl.it. The function would be called (countSheep 4) and the result would be:

"1 sheep...2 sheep...3 sheep...4 sheep..."

 
 
 

Nice!
Trusty repl.it
Had no idea you could embed that,
how do you do that if you don't mind my asking?

 

Basically, you should add your '@username/replit_name' inside

{% replit [here] %}

See dev.to/p/editor_guide for more options.

 
#!/bin/bash
i=0
while [ $((++i)) -le $1 ] ; do
    echo $i sheep ...
done
 

Python :

def count_sheep(n):
    for i in range(1,n+1):
        print(f"{i} sheep...", end=' ')

In one line :

count_sheep = lambda n : print(''.join([f"{i} sheep... " for i in range(1,n+1)]))
 

Some recursivity in JavaScript

function countSheep(n) {
   while (n > 0) return countSheep(n - 1) + n + " sheep..."
}

or something like that.

 

Perl solution, the integer is specified as an argument to the program:

#!/usr/bin/perl
use warnings;
use strict;
use feature qw{ say };

say map "$_ sheep...", 1 .. shift;
 

PHP

 <?php

 $totalSheeps = abs(intval($argv[1]));

 for ($i = 1; $i <= $totalSheeps; $i++) {
     echo "$i sheeps...";
 }

 echo PHP_EOL;
 

Welcome to my fantasy world. :D

n = 5

''.join(list(map(lambda x: f'{x+1} sheep... ', range(n))))

Output:

1 sheep... 2 sheep... 3 sheep... 4 sheep... 5 sheep... 
 

Erlang:

% erl
1> Sheep = fun(N) -> lists:flatmap(fun(X) -> lists:concat([X, " sheep..."]) end, lists:seq(1, N)) end.
#Fun<erl_eval.7.91303403>
2> Sheep(3).
"1 sheep...2 sheep...3 sheep..."
 
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