RosettaCodeData/Task/Create-a-two-dimensional-ar.../Crystal/create-a-two-dimensional-ar...

15 lines
299 B
Crystal

require "random"
first = gets.not_nil!.to_i32
second = gets.not_nil!.to_i32
arr = Array(Array(Int32)).new(first, Array(Int32).new second, 0)
random = Random.new
first = random.rand 0..(first - 1)
second = random.rand 0..(second - 1)
arr[first][second] = random.next_int
puts arr[first][second]