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A simple program to sort a list of number ranging 1-130 in ascending order
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require 'benchmark' | |
def smarter_way(unsorted_array, size, sorted_array) | |
maggic_array = Array.new(130) {|i| i = ({ i => 0 }) } | |
unsorted_array.each do |num| | |
maggic_array.each do |hash| | |
if hash.keys.first == num | |
hash[num] = hash[num] + 1 | |
end | |
end | |
end | |
maggic_array.each do |k| | |
(1..k[k.keys.first]).each do |num| | |
sorted_array.push(k.keys.first) | |
end | |
end | |
end | |
def insertion_sort(unsorted_array, size, sorted_array) | |
(1..(size-1)).each do |i| | |
j = i | |
while (j > 0 && sorted_array[j-1] > sorted_array[j]) | |
sorted_array[j-1],sorted_array[j] = sorted_array[j],sorted_array[j-1] | |
j = j-1 | |
end | |
end | |
end | |
puts "Sorting Numbers" | |
sizes = [10,100,1000,10000,100000] | |
sizes.each do |size| | |
unsorted_array = Array.new(size) { |i| i = rand(130)} | |
sorted_array = Array.new | |
puts "Test 1 : a : Running for size: #{size}" | |
Benchmark.bm do |x| | |
x.report { | |
smarter_way(unsorted_array, size, sorted_array) | |
} | |
end | |
puts "Test 1 : b : Running for size: #{size}" | |
sorted_array = unsorted_array | |
Benchmark.bm do |x| | |
x.report { | |
insertion_sort(unsorted_array, size, sorted_array) | |
} | |
end | |
end |
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