TheAlgorithms-Ruby/BucketSort.rb
2017-10-02 11:02:59 -03:00

30 lines
638 B
Ruby

DEFAULT_BUCKET_SIZE = 5
def bucket_sort(input, bucket_size = DEFAULT_BUCKET_SIZE)
print 'Array is empty' if input.empty?
array = input.split(' ').map(&:to_i)
bucket_count = ((array.max - array.min) / bucket_size).floor + 1
# create buckets
buckets = []
bucket_count.times { buckets.push [] }
# fill buckets
array.each do |item|
buckets[((item - array.min) / bucket_size).floor].push(item)
end
# sort buckets
buckets.each do |bucket|
bucket.sort!
end
buckets.flatten.join(' ')
end
puts "Enter a list of numbers seprated by space"
list = gets
print bucket_sort(list)