Data Structures and Algorithms

table of contents

level	code challenge
301	forEach
301	sort
301	map
301	2d arrays
301	reduce
301	filter
301	string manipulation
301	object methods
301	array methods
301	regular expressions
301	value and reference
301	review
301	all methods
401	reverse array
401	insert shift array
401	Binary search
401	linked lists
401	linked lists insertions
401	linked lists kth value from the end
401	linked list Zip
401	stack and queue
401	Queue with stack
401	FIFO animal shelter
401	multi bracket validation
401	binary trees
401	find maximum value
401	Selection sort
401	insertion sort
401	merge sort
401	quick Sort
401	hashtables
401	repeated words
401	tree intersection
401	graph