pengjunp

require 'benchmark'
# Sort the array from lowest to highest
def sort(arr)
  swap = true
  # Merge sort
  while swap
    swap = false
    for i in 0..arr.length - 1
      if i <= arr.length - 2 && arr[i] > arr[i + 1]
        greater = arr[i] 

pengjunp

# Save this file to your computer so you can run it 
# via the command line (Terminal) like so:
#   $ ruby shakil_the_dog.rb
#
# Your method should wait for user input, which corresponds
# to you saying something to your dog (named Shakil).
 
# You'll probably want to write other methods, but this 
# encapsulates the core dog logic
def shakil_the_dog

pengjunp

# must be baller and either furnished or rent cheaper than 2100
# def rent?(furnished, rent, baller)
#   if baller && (furnished || rent < 2100)
#     return true
#   else
#     return false
#   end
# end

pengjunp

def fuzzbuzz (start_num, end_num)
  start_num.upto(end_num) do |i|
    if i % 5 == 0 && i % 3 == 0
      puts "FizzBuzz"
    elsif i % 5 == 0
      puts "Buzz"
    elsif i % 3 == 0
      puts "Fizz"
    else
      puts i

pengjunp

# Find the maximum 
def maximum(arr)
  result = nil
  if !arr.is_a? (Array)
  	result = "not an array"
  else
  	arr.each { |i| result = i if result == nil || i > result}
  	return result
  end
end