AdityaBhutani

FROM ruby:2.7.1-alpine

ENV BUNDLER_VERSION=2.1.4

RUN apk add --update --no-cache \
  binutils-gold \
  build-base \
  curl \
  file \
  g++ \

AdityaBhutani

# str = "3x + 2 + x/6 = 5", expected: 0.94736
# str = "3x = 9", expected: 3.0
# str = '3x - 2 + x/6 = 5', expected: 2.21
# program to solve linear equation with arg as str format of linear eqn.
def linear_equation(str)
	elements = str.split(' ')
	nums = []
	xs = []
	signs = ['+', "-"]
	next_sign = 1

AdityaBhutani

# Expected arg to be 2-d array and each sub array to have 2 numbers representing range-start and range-end
# [[1, 4], [6, 6], [6, 8], [1, 10]], expected: [[1, 10]]
# program to solve finding the overlapping ranges and combining them.
def range_flatten(arr)
	res = []; done = []
	arr.each_with_index do |range, i|
		a = range.first; b = range.second
		arr[(i+1)..-1].each_with_index do |other_range, j|
			next if done.include?(i+j+1)
			

AdityaBhutani

def factorial(n)
  return 1 if n==1
  n*factorial(n-1)
end

AdityaBhutani

def custom_flat (arr, res = [])
	arr.each_with_index do |ele, i|
		if arr[i].class.name == "Array"
			#p "ARR - #{arr[i]}"
			custom_flat arr[i], res
		else
			#p "ELE - #{arr[i]}"	
			res << arr[i]
			#p res
		end