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leetcode-java

Class Definition
ListNode
TreeNode
TrieNode
Interval
LRUCache
TreeLinkNode

Total: 75

Easy Medium Hard
11 46 18
Question Solution Difficulty
1. Two Sum Solution Easy
2. Add Two Numbers Solution Medium
3. Longest Substring Without Repeating Characters Solution Medium
5. Longest Palindromic Substring Solution Medium
8. String to Integer (atoi) Solution Medium
14. Longest Common Prefix Solution Easy
15. 3Sum Solution Medium
16. 3Sum Closest Solution Medium
17. Letter Combinations of a Phone Number Solution Medium
20. Valid Parentheses Solution Easy
22. Generate Parentheses Solution Medium
23. Merge k Sorted Lists Solution Hard
25. Reverse Nodes in k-Group Solution Hard
33. Search in Rotated Sorted Array Solution Medium
34. Search for a Range Solution Medium
35. Search Insert Position Solution Easy
37. Sudoku Solver Solution Hard
41. First Missing Positive Solution Hard
46. Permutations Solution Medium
51. N-Queens Solution Hard
52. N-Queens II Solution Hard
53. Maximum Subarray Solution Easy
55. Jump Game Solution Medium
57. Insert Interval Solution Hard
61. Rotate List Solution Medium
64. Minimum Path Sum Solution Medium
69. Sqrt(x) Solution Easy
71. Simplify Path Solution Medium
72. Edit Distance Solution Hard
75. Sort Colors Solution Medium
78. Subsets Solution Medium
79. Word Search Solution Medium
81. Search in Rotated Sorted Array II Solution Medium
82. Remove Duplicates from Sorted List II Solution Medium
84. Largest Rectangle in Histogram Solution Hard
86. Partition List Solution Medium
91. Decode Ways Solution Medium
92. Reverse Linked List II Solution Medium
93. Restore IP Addresses Solution Medium
94. Binary Tree Inorder Traversal Solution Medium
97. Interleaving String Solution Hard
98. Validate Binary Search Tree Solution Medium
101. Symmetric Tree Solution Easy
102. Binary Tree Level Order Traversal Solution Medium
104. Maximum Depth of Binary Tree Solution Easy
109. Convert Sorted List to Binary Search Tree Solution Medium
110. Balanced Binary Tree Solution Easy
112. Path Sum Solution Easy
114. Flatten Binary Tree to Linked List Solution Medium
116. Populating Next Right Pointers in Each Node Solution Medium
124. Binary Tree Maximum Path Sum Solution Hard
127. Word Ladder Solution Medium
129. Sum Root to Leaf Numbers Solution Medium
130. Surrounded Regions Solution Medium
139. Word Break Solution Medium
143. Reorder List Solution Medium
146. LRU Cache Solution Hard
147. Insertion Sort List Solution Medium
208. Implement Trie (Prefix Tree) Solution Medium
212. Word Search II Solution Hard
215. Kth Largest Element in an Array Solution Medium
219. Contains Duplicate II Solution Easy
224. Basic Calculator Solution Hard
233. Number of Digit One Solution Hard
273. Integer to English Words Solution Hard
274. H-Index Solution Medium
301. Remove Invalid Parentheses Solution Hard
324. Wiggle Sort II Solution Medium
338. Counting Bits Solution Medium
347. Top K Frequent Elements Solution Medium
365. Water and Jug Problem Solution Medium
393. UTF-8 Validation Solution Medium
450. Delete Node in a BST Solution Medium
477. Total Hamming Distance Solution Medium
480. Sliding Window Median Solution Hard

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🎓🎓🎓 Leetcode solution in Java - 536/921 Solved. https://leetcode.com/problemset/all/

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java algorithm algorithms leetcode leetcode-solutions leetcode-java

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