LeetCode

LeetCode Algorithm

#	Title	Solution	Difficulty	Tag	Familiarity
1	Two Sum	Java	Easy	#Array #HashTable	*
2	Add Two Numbers	Java	Easy	#LinkedList	*
15	3Sum	Java	Medium	#Array #Sort #TwoPointers	*
16	3Sum Closest	Java	Medium	#Array #Sort #TwoPointers
20	Valid Parentheses	Java	Easy	#Stack #状态机	*
21	Merge Two Sorted Lists	Java	Easy	#LinkedList	*
71	Simplify Path	Java	Medium	#Stack #状态机	*
235	Lowest Common Ancestor of a Binary Search Tree	Java	Easy	#Tree	*
236	Lowest Common Ancestor of a Binary Tree	Java	Easy	#Tree #Dfs
237	Delete Node in a Linked List	Java	Easy	#LinkedList	*
328	Odd Even Linked List	Java	Easy	#LinkedList	*
343	Integer Break	Java	Easy	#DP #数学	*
344	Reverse String	Java	Easy	#String	*
345	Reverse Vowels of a String	Java	Easy	#String	*
401	Binary Watch	Java	Easy	#Bit	*
402	Remove K Digits	Java	Easy	#String #Greedy
430	Flatten a Multilevel Doubly Linked List	Java	Medium	#LinkedList #Dfs	*