implement hw 1

2018/AlexeiRakov/1/piramid.rb

@@ -0,0 +1,28 @@
+def triangle(n, z, c)
+(0..n).map do |r|
+n = [0]
+num = [c]
+left = [z]
+right = z
+c = 1
+k = 1
+(0..r - 1).step(1) do
+|index|
+right = right * (r - k + 1) / k
+left.push right 
+c += 1
+k += 1
+end
+num.to_s
+left.to_s
+puts "#{n.center(130).green}  #{m.rjust(13)}"                
+end
+end
+print 'enter the vertex of the triangle:' 
+z = gets.to_i
+print 'enter the depth of the triangle:'
+n = gets.to_i
+puts "vertex triangle = #{z}"
+puts "depth triangle = #{n}"
+require 'colorize'
+triangle(n, z, c = 0)