Name		Name	Last commit message	Last commit date
Latest commit History 383 Commits
1. Two Sum		1. Two Sum
10. Regular Expression Matching		10. Regular Expression Matching
1002. Find Common Characters		1002. Find Common Characters
1010. Pairs of Songs With Total Durations Divisible by 60		1010. Pairs of Songs With Total Durations Divisible by 60
102. Binary Tree Level Order Traversal		102. Binary Tree Level Order Traversal
1047. Remove All Adjacent Duplicates In String		1047. Remove All Adjacent Duplicates In String
107. Binary Tree Level Order Traversal II		107. Binary Tree Level Order Traversal II
108. Convert Sorted Array to Binary Search Tree		108. Convert Sorted Array to Binary Search Tree
1089. Duplicate Zeros		1089. Duplicate Zeros
109. Convert Sorted List to Binary Search Tree		109. Convert Sorted List to Binary Search Tree
1094. Car Pooling		1094. Car Pooling
1099. Two Sum Less Than K		1099. Two Sum Less Than K
1150. Check If a Number Is Majority Element in a Sorted Array		1150. Check If a Number Is Majority Element in a Sorted Array
116. Populating Next Right Pointers in Each Node		116. Populating Next Right Pointers in Each Node
1167. Minimum Cost to Connect Sticks		1167. Minimum Cost to Connect Sticks
117. Populating Next Right Pointers in Each Node II		117. Populating Next Right Pointers in Each Node II
118. Pascal's Triangle		118. Pascal's Triangle
119. Pascal's Triangle II		119. Pascal's Triangle II
1196. How Many Apples Can You Put into the Basket		1196. How Many Apples Can You Put into the Basket
1198. Find Smallest Common Element in All Rows		1198. Find Smallest Common Element in All Rows
121. Best Time to Buy and Sell Stock		121. Best Time to Buy and Sell Stock
122. Best Time to Buy and Sell Stock II		122. Best Time to Buy and Sell Stock II
1228. Missing Number In Arithmetic Progression		1228. Missing Number In Arithmetic Progression
1229. Meeting Scheduler		1229. Meeting Scheduler
1249. Minimum Remove to Make Valid Parentheses		1249. Minimum Remove to Make Valid Parentheses
1272. Remove Interval		1272. Remove Interval
128. Longest Consecutive Sequence		128. Longest Consecutive Sequence
1306. Jump Game III		1306. Jump Game III
137. Single Number II		137. Single Number II
138. Copy List with Random Pointer		138. Copy List with Random Pointer
14. Longest Common Prefix		14. Longest Common Prefix
141. Linked List Cycle		141. Linked List Cycle
142. Linked List Cycle II		142. Linked List Cycle II
146. LRU Cache		146. LRU Cache
15. 3Sum		15. 3Sum
152. Maximum Product Subarray		152. Maximum Product Subarray
153. Find Minimum in Rotated Sorted Array		153. Find Minimum in Rotated Sorted Array
155. Min Stack		155. Min Stack
159. Longest Substring with At Most Two Distinct Characters		159. Longest Substring with At Most Two Distinct Characters
16. 3Sum Closest		16. 3Sum Closest
160. Intersection of Two Linked Lists		160. Intersection of Two Linked Lists
162. Find Peak Element		162. Find Peak Element
163. Missing Ranges		163. Missing Ranges
17. Letter Combinations of a Phone Number		17. Letter Combinations of a Phone Number
171. Excel Sheet Column Number		171. Excel Sheet Column Number
189. Rotate Array		189. Rotate Array
190. Reverse Bits		190. Reverse Bits
191. Number of 1 Bits		191. Number of 1 Bits
198. House Robber		198. House Robber
199. Binary Tree Right Side View		199. Binary Tree Right Side View
20. Valid Parentheses		20. Valid Parentheses
200. Number of Islands		200. Number of Islands
202. Happy Number		202. Happy Number
203. Remove Linked List Elements		203. Remove Linked List Elements
206. Reverse Linked List		206. Reverse Linked List
207. Course Schedule		207. Course Schedule
208. Implement Trie (Prefix Tree)		208. Implement Trie (Prefix Tree)
209. Minimum Size Subarray Sum		209. Minimum Size Subarray Sum
21. Merge Two Sorted Lists		21. Merge Two Sorted Lists
210. Course Schedule II		210. Course Schedule II
211. Add and Search Word - Data structure design		211. Add and Search Word - Data structure design
213. House Robber II		213. House Robber II
215. Kth Largest Element in an Array		215. Kth Largest Element in an Array
216. Combination Sum III		216. Combination Sum III
22. Generate Parentheses		22. Generate Parentheses
230. Kth Smallest Element in a BST		230. Kth Smallest Element in a BST
234. Palindrome Linked List		234. Palindrome Linked List
237. Delete Node in a Linked List		237. Delete Node in a Linked List
239. Sliding Window Maximum		239. Sliding Window Maximum
240. Search a 2D Matrix II		240. Search a 2D Matrix II
252. Meeting Rooms		252. Meeting Rooms
253. Meeting Rooms II		253. Meeting Rooms II
256. Paint House		256. Paint House
259. 3Sum Smaller		259. 3Sum Smaller
260. Single Number III		260. Single Number III
261. Graph Valid Tree		261. Graph Valid Tree
266. Palindrome Permutation		266. Palindrome Permutation
278. First Bad Version		278. First Bad Version
283. Move Zeroes		283. Move Zeroes
3. Longest Substring Without Repeating Characters		3. Longest Substring Without Repeating Characters
303. Range Sum Query - Immutable		303. Range Sum Query - Immutable
316. Remove Duplicate Letters		316. Remove Duplicate Letters
323. Number of Connected Components in an Undirected Graph		323. Number of Connected Components in an Undirected Graph
325. Maximum Size Subarray Sum Equals k		325. Maximum Size Subarray Sum Equals k
33. Search in Rotated Sorted Array		33. Search in Rotated Sorted Array
337. House Robber III		337. House Robber III
338. Counting Bits		338. Counting Bits
34. Find First and Last Position of Element in Sorted Array		34. Find First and Last Position of Element in Sorted Array
340. Longest Substring with At Most K Distinct Characters		340. Longest Substring with At Most K Distinct Characters
342. Power of Four		342. Power of Four
344. Reverse String		344. Reverse String
345. Reverse Vowels of a String		345. Reverse Vowels of a String
346. Moving Average from Data Stream		346. Moving Average from Data Stream
347. Top K Frequent Elements		347. Top K Frequent Elements
350. Intersection of Two Arrays II		350. Intersection of Two Arrays II
358. Rearrange String k Distance Apart		358. Rearrange String k Distance Apart
360. Sort Transformed Array		360. Sort Transformed Array
366. Find Leaves of Binary Tree		366. Find Leaves of Binary Tree
369. Plus One Linked List		369. Plus One Linked List
373. Find K Pairs with Smallest Sums		373. Find K Pairs with Smallest Sums
374. Guess Number Higher or Lower		374. Guess Number Higher or Lower
378. Kth Smallest Element in a Sorted Matrix		378. Kth Smallest Element in a Sorted Matrix
387. First Unique Character in a String		387. First Unique Character in a String
39. Combination Sum		39. Combination Sum
392. Is Subsequence		392. Is Subsequence
395. Longest Substring with At Least K Repeating Characters		395. Longest Substring with At Least K Repeating Characters
40. Combination Sum II		40. Combination Sum II
402. Remove K Digits		402. Remove K Digits
412. Fizz Buzz		412. Fizz Buzz
415. Add Strings		415. Add Strings
429. N-ary Tree Level Order Traversal		429. N-ary Tree Level Order Traversal
435. Non-overlapping Intervals		435. Non-overlapping Intervals
438. Find All Anagrams in a String		438. Find All Anagrams in a String
448. Find All Numbers Disappeared in an Array		448. Find All Numbers Disappeared in an Array
45. Jump Game II		45. Jump Game II
452. Minimum Number of Arrows to Burst Balloons		452. Minimum Number of Arrows to Burst Balloons
454. 4Sum II		454. 4Sum II
457. Circular Array Loop		457. Circular Array Loop
46. Permutations		46. Permutations
461. Hamming Distance		461. Hamming Distance
463. Island Perimeter		463. Island Perimeter
47. Permutations II		47. Permutations II
476. Number Complement		476. Number Complement
490. The Maze		490. The Maze
496. Next Greater Element I		496. Next Greater Element I
5. Longest Palindromic Substring		5. Longest Palindromic Substring
524. Longest Word in Dictionary through Deleting		524. Longest Word in Dictionary through Deleting
53. Maximum Subarray		53. Maximum Subarray
55. Jump Game		55. Jump Game
56. Merge Intervals		56. Merge Intervals
589. N-ary Tree Preorder Traversal		589. N-ary Tree Preorder Traversal
590. N-ary Tree Postorder Traversal		590. N-ary Tree Postorder Traversal
621. Task Scheduler		621. Task Scheduler
624. Maximum Distance in Arrays		624. Maximum Distance in Arrays
643. Maximum Average Subarray I		643. Maximum Average Subarray I
648. Replace Words		648. Replace Words
653. Two Sum IV - Input is a BST		653. Two Sum IV - Input is a BST
657. Robot Return to Origin		657. Robot Return to Origin
676. Implement Magic Dictionary		676. Implement Magic Dictionary
680. Valid Palindrome II		680. Valid Palindrome II
692. Top K Frequent Words		692. Top K Frequent Words
693. Binary Number with Alternating Bits		693. Binary Number with Alternating Bits
695. Max Area of Island		695. Max Area of Island
697. Degree of an Array		697. Degree of an Array
70. Climbing Stairs		70. Climbing Stairs
703. Kth Largest Element in a Stream		703. Kth Largest Element in a Stream
713. Subarray Product Less Than K		713. Subarray Product Less Than K
714. Best Time to Buy and Sell Stock with Transaction Fee		714. Best Time to Buy and Sell Stock with Transaction Fee
717. 1-bit and 2-bit Characters		717. 1-bit and 2-bit Characters
718. Maximum Length of Repeated Subarray		718. Maximum Length of Repeated Subarray
720. Longest Word in Dictionary		720. Longest Word in Dictionary
739. Daily Temperatures		739. Daily Temperatures
74. Search a 2D Matrix		74. Search a 2D Matrix
746. Min Cost Climbing Stairs		746. Min Cost Climbing Stairs
763. Partition Labels		763. Partition Labels
767. Reorganize String		767. Reorganize String
77. Combinations		77. Combinations
78. Subsets		78. Subsets
783. Minimum Distance Between BST Nodes		783. Minimum Distance Between BST Nodes
784. Letter Case Permutation		784. Letter Case Permutation
792. Number of Matching Subsequences		792. Number of Matching Subsequences
81. Search in Rotated Sorted Array II		81. Search in Rotated Sorted Array II
817. Linked List Components		817. Linked List Components
84. Largest Rectangle in Histogram		84. Largest Rectangle in Histogram
848. Shifting Letters		848. Shifting Letters
852. Peak Index in a Mountain Array		852. Peak Index in a Mountain Array
88. Merge Sorted Array		88. Merge Sorted Array
881. Boats to Save People		881. Boats to Save People
89. Gray Code		89. Gray Code
915. Partition Array into Disjoint Intervals		915. Partition Array into Disjoint Intervals
917. Reverse Only Letters		917. Reverse Only Letters
92. Reverse Linked List II		92. Reverse Linked List II
925. Long Pressed Name		925. Long Pressed Name
938. Range Sum of BST		938. Range Sum of BST
945. Minimum Increment to Make Array Unique		945. Minimum Increment to Make Array Unique
973. K Closest Points to Origin		973. K Closest Points to Origin
977. Squares of a Sorted Array		977. Squares of a Sorted Array
986. Interval List Intersections		986. Interval List Intersections
100_Same_Tree.py		100_Same_Tree.py
101_Symmetric_Tree.py		101_Symmetric_Tree.py
101_Symmetric_Tree_1.py		101_Symmetric_Tree_1.py
1022_Sum_of_Root_To_Leaf_Binary_Numbers.py		1022_Sum_of_Root_To_Leaf_Binary_Numbers.py
103_Binary_Tree_Zigzag_Level_Order_Traversal.py		103_Binary_Tree_Zigzag_Level_Order_Traversal.py
104_Maximum_Depth_of_Binary_Tree.py		104_Maximum_Depth_of_Binary_Tree.py
1052. Grumpy Bookstore Owner.py		1052. Grumpy Bookstore Owner.py
105_Construct_Binary_Tree_from_Preorder_and_Inorder_Traversal.py		105_Construct_Binary_Tree_from_Preorder_and_Inorder_Traversal.py
106_Construct Binary_Tree_from_Inorder_and_Postorder_Traversal.py		106_Construct Binary_Tree_from_Inorder_and_Postorder_Traversal.py
1085_Sum_of_Digits_in_the_Minimum_Number.py		1085_Sum_of_Digits_in_the_Minimum_Number.py
1119_Remove_Vowels_from_a_String.py		1119_Remove_Vowels_from_a_String.py
111_Minimum_Depth_of_Binary_Tree.py		111_Minimum_Depth_of_Binary_Tree.py
112_Path_Sum.py		112_Path_Sum.py
1133. Largest Unique Number.py		1133. Largest Unique Number.py
113_Path_Sum_II.py		113_Path_Sum_II.py
1161_Maximum_Level_Sum_of_a_Binary_Tree.py		1161_Maximum_Level_Sum_of_a_Binary_Tree.py
1165_Single-Row_Keyboard.py		1165_Single-Row_Keyboard.py
1213. Intersection of Three Sorted Arrays.py		1213. Intersection of Three Sorted Arrays.py
125_Valid_Palindrome.py		125_Valid_Palindrome.py
129_Sum_Root_to_Leaf_Numbers.py		129_Sum_Root_to_Leaf_Numbers.py
144_Binary_Tree_Preorder_Traversal.py		144_Binary_Tree_Preorder_Traversal.py
144_Binary_Tree_Preorder_Traversal_1.py		144_Binary_Tree_Preorder_Traversal_1.py
145_Binary_Tree_Postorder_Traversal.py		145_Binary_Tree_Postorder_Traversal.py
145_Binary_Tree_Postorder_Traversal_1.py.py		145_Binary_Tree_Postorder_Traversal_1.py.py
151_Reverse_Words_in_a_String.py		151_Reverse_Words_in_a_String.py
15_3sum_zero.py		15_3sum_zero.py
169_majority_element.py		169_majority_element.py
16_3sum_closest.py		16_3sum_closest.py
16_3sum_zero.py		16_3sum_zero.py
1_two_sum.py		1_two_sum.py
2. Add Two Numbers.py		2. Add Two Numbers.py
204_count_primes.py		204_count_primes.py
229_majority_element_II.py		229_majority_element_II.py
229_majority_element_ii.py		229_majority_element_ii.py
231_power_of_two.py		231_power_of_two.py
235_Lowest_Common_Ancestor_of_a_Binary_Search_Tree.py		235_Lowest_Common_Ancestor_of_a_Binary_Search_Tree.py
236_Lowest_Common_Ancestor of_a_Binary_Tree.py		236_Lowest_Common_Ancestor of_a_Binary_Tree.py
242. Valid Anagram.py		242. Valid Anagram.py
243_Shortest_Word_Distance.py		243_Shortest_Word_Distance.py
257_Binary_Tree_Paths.py		257_Binary_Tree_Paths.py
258_Add_Digits.py		258_Add_Digits.py
268_missing_number.py		268_missing_number.py
270. Closest Binary Search Tree Value.py		270. Closest Binary Search Tree Value.py
27_remove_element.py		27_remove_element.py
349. Intersection of Two Arrays.py		349. Intersection of Two Arrays.py
350. Intersection of Two Arrays II.py		350. Intersection of Two Arrays II.py
372_Super_Pow.py		372_Super_Pow.py
383_Ransom_Note.py		383_Ransom_Note.py
404_Sum_of_Left_Leaves.py		404_Sum_of_Left_Leaves.py
42. Trapping Rain Water.py		42. Trapping Rain Water.py
434_Number_of_Segments_in_a_String.py		434_Number_of_Segments_in_a_String.py
451_Sort Characters By Frequency.py		451_Sort Characters By Frequency.py
49. Group Anagrams.py		49. Group Anagrams.py
501. Find Mode in Binary Search Tree.py		501. Find Mode in Binary Search Tree.py
509. Fibonacci Number.py		509. Fibonacci Number.py
50_Pow(x, n).py		50_Pow(x, n).py
515. Find Largest Value in Each Tree Row.py		515. Find Largest Value in Each Tree Row.py
551_Student_Attendance_Record_I.py		551_Student_Attendance_Record_I.py
557. Reverse Words in a String III.py		557. Reverse Words in a String III.py
557. Reverse Words in a String III_1.py		557. Reverse Words in a String III_1.py
637_Average_of_Levels_in_Binary_Tree.py		637_Average_of_Levels_in_Binary_Tree.py
66_plus_one.py		66_plus_one.py
680_Valid_Palindrome_II.py		680_Valid_Palindrome_II.py
700. Search in a Binary Search Tree.py		700. Search in a Binary Search Tree.py
701. Insert into a Binary Search Tree.py		701. Insert into a Binary Search Tree.py
704. Binary Search.py		704. Binary Search.py
709_To_lower_case.py		709_To_lower_case.py
819_most_common_word.py		819_most_common_word.py
88_merge_sorted_array.py		88_merge_sorted_array.py
912. Sort an Array.py		912. Sort an Array.py
94_Binary_Tree_Inorder_Traversal.py		94_Binary_Tree_Inorder_Traversal.py
94_Binary_Tree_Inorder_Traversal_1.py		94_Binary_Tree_Inorder_Traversal_1.py
965_Univalued_Binary_Tree.py		965_Univalued_Binary_Tree.py
98. Validate Binary Search Tree.py		98. Validate Binary Search Tree.py
991. Broken Calculator.py		991. Broken Calculator.py
readme.md		readme.md
reverse_integer.py		reverse_integer.py

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