Geek.md

#	Title	Difficult	Topic
Chapter 1st	merge sorted arrays	Easy	Array, Two Pointers
Chapter 1st	merge two sorted lists	Easy	LinkedList
Chapter 1st	remove duplicate from sorted array	Easy	Array, Two Pointers
Chapter 1st	rotate array	Easy	Array
Chapter 1st	move zeroes	Easy	Array, Two Pointers
Chapter 1st	plus one	Easy	Array
Chapter 1st	trapping rain water	Hard	Array, Two Pointers, Stack
Chapter 1st	two sum	Easy	Array, Hash Table
Chapter 2nd	combinations	Medium	Backtracking
Chapter 2nd	N ary tree level order traversal	Medium	Tree, Breadth-first Search
Chapter 2nd	N ary tree post-order traversal	Easy	Tree
Chapter 2nd	N ary tree pre-order traversal	Easy	Tree
Chapter 2nd	permutations	Medium	Backtracking
Chapter 2nd	permutations-II	Medium	Backtracking
Chapter 3rd	assign cookies	Easy	Greedy
Chapter 3rd	minesweeper	Medium	DFS, BFS
Chapter 3rd	number of islands	Medium	DFS, BFS, Union Find
Chapter 3rd	word ladder	Medium	BFS
Chapter 3rd	lemonade change	Easy	Greedy
Chapter 3rd	find minimum in roated sorted array	Medium	Array, Binary Search
Chapter 3rd	search a 2d matrix	Medium	Array, Binary Search
Chapter 3rd	search in rotated sorted array	Medium	Array, Binary Search
Chapter 3rd	word ladder-II	Hard	Array, String, Backtracking, BFS
Chapter 3rd	jump game-II	Hard	Array, Greedy