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102 Commits
114.Flatten binary tree
114.Flatten binary tree
 
 
138.Copy List with Random Pointer
138.Copy List with Random Pointer
 
 
141.Linked list cycle
141.Linked list cycle
 
 
144.Binary Tree preorder traversal
144.Binary Tree preorder traversal
 
 
145.Binary Tree PostOrder Traversal
145.Binary Tree PostOrder Traversal
 
 
198. House robber
198. House robber
 
 
205. Isomorphic Strings
205. Isomorphic Strings
 
 
256. Paint House
256. Paint House
 
 
322.Coin change
322.Coin change
 
 
34. FInd first and Last Position of Elements in Sorted Array
34. FInd first and Last Position of Elements in Sorted Array
 
 
45.Jump game - II
45.Jump game - II
 
 
518. Coin Change II
518. Coin Change II
 
 
55.Jump Game
55.Jump Game
 
 
740. Delete and Earn
740. Delete and Earn
 
 
98.Validate BST
98.Validate BST
 
 
remove_Nth_Node_from_List_End
remove_Nth_Node_from_List_End
 
 
100. Same Tree.java
100. Same Tree.java
 
 
11. Container with Most Water.java
11. Container with Most Water.java
 
 
122. Best time to buy and sell stock - 2.java
122. Best time to buy and sell stock - 2.java
 
 
143. ReOrder List.java
143. ReOrder List.java
 
 
1481. Least Number of Unique Integers after K Removals.java
1481. Least Number of Unique Integers after K Removals.java
 
 
150.Evaluate reverse polish notation.java
150.Evaluate reverse polish notation.java
 
 
153. Find min in Rotated Sorted Array.java
153. Find min in Rotated Sorted Array.java
 
 
155.Min Stack.java
155.Min Stack.java
 
 
1609. Even Odd Tree.java
1609. Even Odd Tree.java
 
 
162. Find peak element.java
162. Find peak element.java
 
 
1669. Merger In Between Linked Lists.java
1669. Merger In Between Linked Lists.java
 
 
19. Remove Nth Node From End of List.java
19. Remove Nth Node From End of List.java
 
 
2.Add two numbers.java
2.Add two numbers.java
 
 
20.Valid Parenthesis.java
20.Valid Parenthesis.java
 
 
2007.Find Original Array From Doubled Array.java
2007.Find Original Array From Doubled Array.java
 
 
207.CourseSchedule.java
207.CourseSchedule.java
 
 
21. Merge Two Sorted Lists.java
21. Merge Two Sorted Lists.java
 
 
2149. Rearrange Array Elements by Sign.java
2149. Rearrange Array Elements by Sign.java
 
 
232. Implement Queue Using Stacks.java
232. Implement Queue Using Stacks.java
 
 
234. Palindrome Linked List.java
234. Palindrome Linked List.java
 
 
253.Meeting rooms 2.java
253.Meeting rooms 2.java
 
 
26. Remove duplicates from Sorted Array.java
26. Remove duplicates from Sorted Array.java
 
 
268. Missing Number.java
268. Missing Number.java
 
 
2864. Maximum Odd Binary Number.java
2864. Maximum Odd Binary Number.java
 
 
287. Find the Duplicate Number.java
287. Find the Duplicate Number.java
 
 
290. Word Pattern.java
290. Word Pattern.java
 
 
2958. Length of Longest Subarray With at Most K Frequency.java
2958. Length of Longest Subarray With at Most K Frequency.java
 
 
2962. Count Subarrays Where Max Element Appears at Least K Times.java
2962. Count Subarrays Where Max Element Appears at Least K Times.java
 
 
2971. Find Polygon With the Largest Perimeter.java
2971. Find Polygon With the Largest Perimeter.java
 
 
3005. Count Elements With Maximum Frequency.java
3005. Count Elements With Maximum Frequency.java
 
 
3044. Most frequent prime.java
3044. Most frequent prime.java
 
 
3046. Split the Array.java
3046. Split the Array.java
 
 
3062. Winner of the Linked List Game.java
3062. Winner of the Linked List Game.java
 
 
3069. Distribute Elements Into Two Arrays I.java
3069. Distribute Elements Into Two Arrays I.java
 
 
3070. Count Submatrices with Top-Left Element and Sum Less Than k.java
3070. Count Submatrices with Top-Left Element and Sum Less Than k.java
 
 
33.Search in Rotated Sorted Array.java
33.Search in Rotated Sorted Array.java
 
 
35.Search Insert Position.java
35.Search Insert Position.java
 
 
36. Valid Sudoku.java
36. Valid Sudoku.java
 
 
4. Median of two sorted Arrays.java
4. Median of two sorted Arrays.java
 
 
400. Nth Digit.java
400. Nth Digit.java
 
 
406.QueueReconstruction.java
406.QueueReconstruction.java
 
 
41. First Missing Positive.java
41. First Missing Positive.java
 
 
413. Arithmetic Slices.java
413. Arithmetic Slices.java
 
 
442. Find all duplicates in an Array.java
442. Find all duplicates in an Array.java
 
 
451.Sort Characters by Frequency.java
451.Sort Characters by Frequency.java
 
 
49. Group Anagrams.java
49. Group Anagrams.java
 
 
498. Diagonal Matrix.java
498. Diagonal Matrix.java
 
 
513. Find Bottom Left Tree Value.java
513. Find Bottom Left Tree Value.java
 
 
515. Find largest value in each tree row.java
515. Find largest value in each tree row.java
 
 
529.Minesweeper.java
529.Minesweeper.java
 
 
54. Spiral Matrix.java
54. Spiral Matrix.java
 
 
543. Diameter of a binary tree.java
543. Diameter of a binary tree.java
 
 
621.TaskScheduler.java
621.TaskScheduler.java
 
 
622. Design Circular Queue.java
622. Design Circular Queue.java
 
 
636.Exclusive time of functions.java
636.Exclusive time of functions.java
 
 
67. Add Binary.java
67. Add Binary.java
 
 
702. Search in a Sorted Array of Unknown Size.java
702. Search in a Sorted Array of Unknown Size.java
 
 
705.DesignHashset.java
705.DesignHashset.java
 
 
713. Subarray product less than k.java
713. Subarray product less than k.java
 
 
74. Search in a 2D matrix.java
74. Search in a 2D matrix.java
 
 
75. Sort Colors.java
75. Sort Colors.java
 
 
763.PartitionLabels.java
763.PartitionLabels.java
 
 
80. Remove Duplicates from Sorted Array II.java
80. Remove Duplicates from Sorted Array II.java
 
 
83. Remove Duplicates from Sorted List.java
83. Remove Duplicates from Sorted List.java
 
 
876. Middle of the linked list.java
876. Middle of the linked list.java
 
 
9. Palindrome Number.java
9. Palindrome Number.java
 
 
931. Minimum Falling Path Sum.java
931. Minimum Falling Path Sum.java
 
 
977. Squares of a Sorted Array.java
977. Squares of a Sorted Array.java
 
 
983. Minimum cost for tickets.java
983. Minimum cost for tickets.java
 
 
HR.Connected Cells in Grid.java
HR.Connected Cells in Grid.java
 
 
Notes.txt
Notes.txt
 
 
readme
readme
 
 

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#LeetCode questions
This repository is for keep track and note of the LeetCode problems solved.

- Some of the questions are in folders, which mean they are solved in more than one way.

- Committed the time taken to run the program and the top percentile of the runtime and memory have been mentioned in the commits.

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