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React Logo Exercise Storage of The Odin Project in Ruby React Logo

This repository serves as a storage for exercises proposed by the The Odin Project platform, focusing on the Ruby programming language.

📖 About the Project

The Odin Project is an educational platform that offers a complete web development curriculum. This repository was created to track and store the practical exercises proposed during the course related to the Ruby programming language. Each exercise is an opportunity to practice and improve your programming skills.

📁 Repository Structure

The repository is organized into thematic folders, each representing a specific section or module of the course. Within each folder, you will find the proposed exercises, accompanied by their respective source codes, solutions, or any relevant additional information.

Repository Folders

  • basic_ruby_projects: Basic Ruby projects that address fundamental concepts and methods.

    • Example: Implementation of a bubble sort method (#bubble_sort):

      def bubble_sort(array)
  max_index = array.length - 1
  (0..max_index - 1).each do |index|
    (index + 1..max_index).each do |index_2|
      number_1 = array[index]
      number_2 = array[index_2]
      if number_1 > number_2
        intermediate = number_1
        array[index] = number_2
        array[index_2] = intermediate
      end
    end
  end
  array
end

p bubble_sort([4, 3, 78, 2, 0, 2])

  • mastermind: Implementations of the Mastermind game, where logic and control flow concepts are applied.

  • poo: Exercises focused on Object-Oriented Programming, including class and object creation.

  • tic_tac_toe: Implementation of the tic-tac-toe game, applying game logic and interactivity concepts.

📝 Exercise Examples

Here are some examples of exercises included in the repository:

  1. Caesar Cipher: Implementation of a method that applies the Caesar cipher to a string.

    def caesar_cipher(phrase, displacement)
  phrase_array = phrase.split(' ')
  final_array = []
  phrase_array.each do |word|
    intermediate_array = []
    word.split('').each do |letter| 
      num = letter.ord
      if letter.match(/[A-Z|a-z]/)
        if num.between?(65, 90)
          tot = num + displacement
          tot > 90 ? tot = (tot - 90) + 64 : tot
          intermediate_array << tot.chr
        else
          tot = num + displacement
          tot > 122 ? tot = (tot - 122) + 97 : tot
          intermediate_array << tot.chr
        end
      else
        intermediate_array << letter
      end
    end
    final_array << intermediate_array.join('')
  end
  final_array.join(' ')
end

p caesar_cipher("What a string!", 5)

  2. Stock Picker: Method that determines the best day to buy and sell stocks, maximizing profit.

    def stock_picker(stock_prices)
  day_buy = 0
  day_sale = 0
  profit = 0
  stock_prices.each_with_index do |price, index|
    (index + 1..stock_prices.length - 1).each do |index_2|
      price_2 = stock_prices[index_2]
      subtraction = price_2 - price
      if subtraction.positive? && subtraction > profit
        day_buy = index
        day_sale = index_2
        profit = subtraction
      end
    end
  end
  [day_buy, day_sale]
end

p stock_picker([17, 3, 6, 9, 15, 8, 6, 1, 10])

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