Leetcode Solutions

#	#	Title	Solution	Difficulty
1	1	Two Sum	Java	Easy
2	13	Roman to Integer	Java	Easy
3	18	4Sum	Java	Medium
4	42	Trapping Rain Water	Java	Hard
5	53	Maximum Subarray	Java	Easy
6	54	Spiral Matrix	Java	Medium
7	83	Remove Duplicates from Sorted List	Java	Easy
8	105	Construct Binary Tree from Preorder and Inorder Traversal	Java	Medium
9	106	Construct Binary Tree from Inorder and Postorder Traversal	Java	Medium
10	107	Binary Tree Level Order Traversal II	Java	Medium
11	108	Convert Sorted Array to Binary Search Tree	Java	Easy
12	111	Minimum Depth of Binary Tree	Java	Easy
13	116	Populating Next Right Pointers in Each Node	Java	Medium
14	121	Best Time to Buy and Sell Stock	Java	Easy
15	135	Candy	Java	Hard
16	141	Linked List Cycle	Java	Easy
17	142	Linked List Cycle II	Java	Medium
18	143	Binary Tree Preorder Traversal	Java	Medium
19	200	Number of Islands	Java	Medium
20	242	Valid Anagram	Java	Easy
21	412	Fizz Buzz	Java	Easy
22	463	Island Perimeter	Java	Easy
23	513	Find Bottom Left Tree Value	Java	Medium
24	543	Diameter of Binary Tree	Java	Easy
25	560	Subarray Sum Equals K	Java	Medium
26	643	Maximum Average Subarray I	Java	Easy
27	695	Max Area of Island	Java	Medium
28	876	Middle of the Linked List	Java	Easy
29	896	Monotonic Array	Java	Easy
30	1091	Shortest Path in Binary Matrix	Java	Medium
31	1122	Relative Sort Array	Java	Easy