module RandSum
Constants
- VERSION
Public Instance Methods
rand_sum(size)
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# File lib/rand_sum.rb, line 6 def rand_sum(size) # examples 1 # 400.rand_sum(2) # => [153, 247] # example 2 # result = 400.rand_sum(2) # puts "#{result} sum => #{result.inject(:+)}" # => "[346, 54] sum => 400" return self if size <= 1 array = Array.new() # add first random number array.push(rand(self)) (1..(size - 2)).each do array.push(rand(self - array.inject(:+))) end # add last number array.push(self - array.inject(:+)) if array.inject(:+) < 1000 array end