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Leetcode

Repository where I store my Leet Code solutions for posterity

All Solutions are in C++.

Feel free to critique/suggest better solutions.

Name		Name	Last commit message	Last commit date
Latest commit History 99 Commits
Non-leetcode		Non-leetcode
10. Regular Expression.cpp		10. Regular Expression.cpp
101. Symmetric Tree.cpp		101. Symmetric Tree.cpp
102. Binary tree level order traversal.cpp		102. Binary tree level order traversal.cpp
103. Binary Tree Zigzag Level Order Traversal.cpp		103. Binary Tree Zigzag Level Order Traversal.cpp
107. Binary Tree Level Order Traversal.cpp		107. Binary Tree Level Order Traversal.cpp
108. Convert Sorted Array to Binary Search Tree.cpp		108. Convert Sorted Array to Binary Search Tree.cpp
109. Convert Sorted List to Binary Search Tree.cpp		109. Convert Sorted List to Binary Search Tree.cpp
110. Balanced Binary Tree.cpp		110. Balanced Binary Tree.cpp
111. Minimum Depth of a Binary Tree.cpp		111. Minimum Depth of a Binary Tree.cpp
112. Path Sum.cpp		112. Path Sum.cpp
113. Path Sum II.cpp		113. Path Sum II.cpp
118. Pascal's Triangle.cpp		118. Pascal's Triangle.cpp
119. Pascal's Triangle II.cpp		119. Pascal's Triangle II.cpp
121. Best Time to Buy and Sell Stock.cpp		121. Best Time to Buy and Sell Stock.cpp
125. Valid Palindrome.cpp		125. Valid Palindrome.cpp
128. Longest Consecutiv Sequence.cpp		128. Longest Consecutiv Sequence.cpp
129. Sum Root to Leaf Numbers.cpp		129. Sum Root to Leaf Numbers.cpp
13. Roman to Integer.cpp		13. Roman to Integer.cpp
130. Surrounded Regions.cpp		130. Surrounded Regions.cpp
136. Single Number.cpp		136. Single Number.cpp
139. Word Break.cpp		139. Word Break.cpp
141. Linked List Cycle.cpp		141. Linked List Cycle.cpp
142. Linked LIst Cycle II.cpp		142. Linked LIst Cycle II.cpp
144. Binary Tree Preorder Traversal.cpp		144. Binary Tree Preorder Traversal.cpp
146. LRU Cache.cpp		146. LRU Cache.cpp
15. 3Sum.cpp		15. 3Sum.cpp
151. Reverse words in a string.cpp		151. Reverse words in a string.cpp
152. Maximum Product Subarray.cpp		152. Maximum Product Subarray.cpp
153. Find Minimum in Rotated Sorted Array.cpp		153. Find Minimum in Rotated Sorted Array.cpp
155. Min Stack.cpp		155. Min Stack.cpp
16. 3Sum Closest.cpp		16. 3Sum Closest.cpp
160. Intersection of two linked lists.cpp		160. Intersection of two linked lists.cpp
165. Compare Version Numbers.cpp		165. Compare Version Numbers.cpp
17. Letter Combinations of phone.cpp		17. Letter Combinations of phone.cpp
172. Factorial Trailing Zeroes.cpp		172. Factorial Trailing Zeroes.cpp
179. Largest Number.cpp		179. Largest Number.cpp
189. Rotate Array.cpp		189. Rotate Array.cpp
19. Remove Nth Node From End of List.cpp		19. Remove Nth Node From End of List.cpp
190. Reverse Bits.cpp		190. Reverse Bits.cpp
198. House Robber.cpp		198. House Robber.cpp
199. Binary Tree Right Side View.cpp		199. Binary Tree Right Side View.cpp
20. Valid Parentheses.cpp		20. Valid Parentheses.cpp
200. Number of Islands.cpp		200. Number of Islands.cpp
202. Happy Number.cpp		202. Happy Number.cpp
203 remove linked list elements.cpp		203 remove linked list elements.cpp
204. Count Primes.cpp		204. Count Primes.cpp
205. Isomorphic Strings.cpp		205. Isomorphic Strings.cpp
207. Course Schedule.cpp		207. Course Schedule.cpp
208. Implement Trie(Prefix Tree).cpp		208. Implement Trie(Prefix Tree).cpp
209. Minimum Size Subarray Sum.cpp		209. Minimum Size Subarray Sum.cpp
21. Merge Two Sorted Lists.cpp		21. Merge Two Sorted Lists.cpp
210. Course Schedule II.cpp		210. Course Schedule II.cpp
215. Kth Largest Element in array.cpp		215. Kth Largest Element in array.cpp
22. Generate Parantheses.cpp		22. Generate Parantheses.cpp
222. Count Complete Tree Nodes.cpp		222. Count Complete Tree Nodes.cpp
225. Implement Stacks using Queues.cpp		225. Implement Stacks using Queues.cpp
228. Summary Ranges.cpp		228. Summary Ranges.cpp
23. Merge k Sorted Lists.cpp		23. Merge k Sorted Lists.cpp
230. Kth Smallest Element in a BST.cpp		230. Kth Smallest Element in a BST.cpp
232. Implement Queue using Stacks.cpp		232. Implement Queue using Stacks.cpp
234. Palindrome Linked List.cpp		234. Palindrome Linked List.cpp
238. Product of Array Except Self.cpp		238. Product of Array Except Self.cpp
239. Sliding Window Maximum.cpp		239. Sliding Window Maximum.cpp
24. Swap Nodes in Pairs.cpp		24. Swap Nodes in Pairs.cpp
240. Search a 2D Matrix II.cpp		240. Search a 2D Matrix II.cpp
252. Meeting Rooms.cpp		252. Meeting Rooms.cpp
253. Meeting Rooms II.cpp		253. Meeting Rooms II.cpp
254. Factor Combinations.cpp		254. Factor Combinations.cpp
257. Binary Tree Paths.cpp		257. Binary Tree Paths.cpp
258. Add digits.cpp		258. Add digits.cpp
26. Remove Duplicates from sorted array.cpp		26. Remove Duplicates from sorted array.cpp
263. Ugly Number.cpp		263. Ugly Number.cpp
266. Palindrome Permutation.cpp		266. Palindrome Permutation.cpp
268. Missing Number.cpp		268. Missing Number.cpp
27. Remove Element.cpp		27. Remove Element.cpp
273. Integer to English Words.cpp		273. Integer to English Words.cpp
274. H-index.cpp		274. H-index.cpp
275. H-Index II.cpp		275. H-Index II.cpp
277. Find the Celebrity.cpp		277. Find the Celebrity.cpp
28. Implement strStr().cpp		28. Implement strStr().cpp
283. Move Zeroes.cpp		283. Move Zeroes.cpp
285. Inorder Successor in BST.cpp		285. Inorder Successor in BST.cpp
289. Game of Life.cpp		289. Game of Life.cpp
290. Word Pattern.cpp		290. Word Pattern.cpp
295. Find Median From Data Stream.cpp		295. Find Median From Data Stream.cpp
299. Bulls and Cows.cpp		299. Bulls and Cows.cpp
3. longest_substring_without_repeating_characters.cpp		3. longest_substring_without_repeating_characters.cpp
301. Remove Invalid Parentheses.cpp		301. Remove Invalid Parentheses.cpp
303. Range Sum Query - Immutable.cpp		303. Range Sum Query - Immutable.cpp
304. Range Sum Query 2D - Immutable.cpp		304. Range Sum Query 2D - Immutable.cpp
31. Next Permutation.cpp		31. Next Permutation.cpp
314. Binary Tree Vertical Order Traversal.cpp		314. Binary Tree Vertical Order Traversal.cpp
322. Coin Change.cpp		322. Coin Change.cpp
323. Number of Connected Components.cpp		323. Number of Connected Components.cpp
325. Maximum Size Subarray Sum Equals k.cpp		325. Maximum Size Subarray Sum Equals k.cpp
33. Search in Rotated Sorted Array.cpp		33. Search in Rotated Sorted Array.cpp
332. Reconstruct Itinerary.cpp		332. Reconstruct Itinerary.cpp
34. Search for a Range.cpp		34. Search for a Range.cpp
342. Power of four.cpp		342. Power of four.cpp

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