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Leetcode problems implemented in python.

algorithms coding-interviews data-structures interview-preparation leetcode leetcode-python leetcode-solutions placements solutions

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Name		Name	Last commit message	Last commit date
1. Two Sum.py		1. Two Sum.py
10. Regular Expression Matching.py		10. Regular Expression Matching.py
100. Same Tree.py		100. Same Tree.py
101. Symmetric Tree.py		101. Symmetric Tree.py
102. Binary Tree Level Order Traversal.py		102. Binary Tree Level Order Traversal.py
1029. Two City Scheduling.py		1029. Two City Scheduling.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
105. Construct Binary Tree from Preorder and Inorder Traversal.py		105. Construct Binary Tree from Preorder and Inorder Traversal.py
107. Binary Tree Level Order Traversal II.py		107. Binary Tree Level Order Traversal II.py
108. Convert Sorted Array to Binary Search Tree.py		108. Convert Sorted Array to Binary Search Tree.py
11. Container With Most Water.py		11. Container With Most Water.py
110. Balanced Binary Tree.py		110. Balanced Binary Tree.py
111. Minimum Depth of Binary Tree.py		111. Minimum Depth of Binary Tree.py
114. Flatten Binary Tree to Linked List.py		114. Flatten Binary Tree to Linked List.py
118. Pascal's Triangle.py		118. Pascal's Triangle.py
119. Pascal's Triangle II.py		119. Pascal's Triangle II.py
12. Integer to Roman.py		12. Integer to Roman.py
121. Best Time to Buy and Sell Stock.py		121. Best Time to Buy and Sell Stock.py
122. Best Time to Buy and Sell Stock II.py		122. Best Time to Buy and Sell Stock II.py
124. Binary Tree Maximum Path Sum.py		124. Binary Tree Maximum Path Sum.py
125. Valid Palindrome.py		125. Valid Palindrome.py
127. Word Ladder.py		127. Word Ladder.py
129. Sum Root to Leaf Numbers.py		129. Sum Root to Leaf Numbers.py
13. Roman to Integer.py		13. Roman to Integer.py
134. Gas Station.py		134. Gas Station.py
136. Single Number.py		136. Single Number.py
137. Single Number II.py		137. Single Number II.py
14. Longest Common Prefix.py		14. Longest Common Prefix.py
141. Linked List Cycle.py		141. Linked List Cycle.py
142. Linked List Cycle II.py		142. Linked List Cycle II.py
1448. Count Good Nodes in Binary Tree.py		1448. Count Good Nodes in Binary Tree.py
15. 3Sum.py		15. 3Sum.py
150. Evaluate Reverse Polish Notation.py		150. Evaluate Reverse Polish Notation.py
1593. Split a String Into the Max Number of Unique Substrings.py		1593. Split a String Into the Max Number of Unique Substrings.py
1594. Maximum Non Negative Product in a Matrix.py		1594. Maximum Non Negative Product in a Matrix.py
16. 3Sum Closest.py		16. 3Sum Closest.py
160. Intersection of Two Linked Lists.py		160. Intersection of Two Linked Lists.py
1608. Special Array With X Elements Greater Than or Equal X.py		1608. Special Array With X Elements Greater Than or Equal X.py
1609. Even Odd Tree.py		1609. Even Odd Tree.py
168. Excel Sheet Column Title.py		168. Excel Sheet Column Title.py
169. Majority Element.py		169. Majority Element.py
17. Letter Combinations of a Phone Number.py		17. Letter Combinations of a Phone Number.py
171. Excel Sheet Column Number.py		171. Excel Sheet Column Number.py
18. 4Sum.py		18. 4Sum.py
19. Remove Nth Node From End of List.py		19. Remove Nth Node From End of List.py
191. Number of 1 Bits.py		191. Number of 1 Bits.py
2. Add Two Numbers.py		2. Add Two Numbers.py
20. Valid Parentheses.py		20. Valid Parentheses.py
200. Number of Islands.py		200. Number of Islands.py
207. Course Schedule.py		207. Course Schedule.py
208. Implement Trie (Prefix Tree).py		208. Implement Trie (Prefix Tree).py
21. Merge Two Sorted Lists.py		21. Merge Two Sorted Lists.py
210. Course Schedule II.py		210. Course Schedule II.py
215. Kth Largest Element in an Array.py		215. Kth Largest Element in an Array.py
216. Combination Sum III.py		216. Combination Sum III.py
22. Generate Parentheses.py		22. Generate Parentheses.py
226. Invert Binary Tree.py		226. Invert Binary Tree.py
23. Merge k Sorted Lists.py		23. Merge k Sorted Lists.py
231. Power of Two.py		231. Power of Two.py
237. Delete Node in a Linked List.py		237. Delete Node in a Linked List.py
24. Swap Nodes in Pairs.py		24. Swap Nodes in Pairs.py
25. Reverse Nodes in k-Group.py		25. Reverse Nodes in k-Group.py
26. Remove Duplicates from Sorted Array.py		26. Remove Duplicates from Sorted Array.py
264. Ugly Number II.py		264. Ugly Number II.py
27. Remove Element.py		27. Remove Element.py
28. Implement strStr().py		28. Implement strStr().py
29. Divide Two Integers.py		29. Divide Two Integers.py
295. Find Median from Data Stream.py		295. Find Median from Data Stream.py
3. Longest Substring Without Repeating Characters.py		3. Longest Substring Without Repeating Characters.py
30. Substring with Concatenation of All Words.py		30. Substring with Concatenation of All Words.py
306. Additive Number.py		306. Additive Number.py
31. Next Permutation.py		31. Next Permutation.py
313. Super Ugly Number.py		313. Super Ugly Number.py
32. Longest Valid Parentheses.py		32. Longest Valid Parentheses.py
328. Odd Even Linked List.py		328. Odd Even Linked List.py
33. Search in Rotated Sorted Array.py		33. Search in Rotated Sorted Array.py
34. Find First and Last Position of Element in Sorted Array.py		34. Find First and Last Position of Element in Sorted Array.py
35. Search Insert Position.py		35. Search Insert Position.py
355. Design Twitter.py		355. Design Twitter.py
36. Valid Sudoku.py		36. Valid Sudoku.py
37. Sudoku Solver.py		37. Sudoku Solver.py
38. Count and Say.py		38. Count and Say.py
380. Insert Delete GetRandom O(1).py		380. Insert Delete GetRandom O(1).py
39. Combination Sum.py		39. Combination Sum.py
392. Is Subsequence.py		392. Is Subsequence.py
4. Median of Two Sorted Arrays.py		4. Median of Two Sorted Arrays.py
40. Combination Sum II.py		40. Combination Sum II.py
406. Queue Reconstruction by Height.py		406. Queue Reconstruction by Height.py
41. First Missing Positive.py		41. First Missing Positive.py
42. Trapping Rain Water.py		42. Trapping Rain Water.py
421. Maximum XOR of Two Numbers in an Array.py		421. Maximum XOR of Two Numbers in an Array.py
43. Multiply Strings.py		43. Multiply Strings.py
44. Wildcard Matching.py		44. Wildcard Matching.py
45. Jump Game II.py		45. Jump Game II.py
46. Permutations.py		46. Permutations.py
47. Permutations II.py		47. Permutations II.py
48. Rotate Image.py		48. Rotate Image.py
49. Group Anagrams.py		49. Group Anagrams.py
5. Longest Palindromic Substring.py		5. Longest Palindromic Substring.py

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Leetcode_solutions

Leetcode problems implemented in python.

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Leetcode problems implemented in python.

algorithms coding-interviews data-structures interview-preparation leetcode leetcode-python leetcode-solutions placements solutions

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