Data-Structures-and-Algorithms

My solutions to coding interview problems on leetcode, educative and other interview preparation websites.

Arrays

• Sieve
• Catalan Numbers
• Sliding Window Technique
• Recursion and Backtracking
• Binary Search (TopCoder)
• BacktoBackSWE Playlist
• Tortoise and Hare Pointer

Trees

• Flatten Tree
• Height of Tree
• Iterative Traversals
• Lowest Common Ancestor
• Level Order Traversal
• Diameter of a Binary Tree
• Recursive Traversals
• Diagonal Traversal
• Vertical Traversal
• Serialize and Deserialize Trees
• Other BackToBackSWE Ones

Graphs

• BFS Problems
• Graph coloring/Bipartition
• DFS Problems
• Topological Sort
• Union Find
• Find Shortest Path (Dijkstra's/Bellman Ford
• BackToBackSWE Playlist
• LeetCode Graphs Patterns

Searching and Sorting

• Bubble Sort
• Insertion Sort
• Quick Sort
• Merge Sort
• Inversion Count
• Count Numbers Larger and Smaller than Self
• Radix Sort
• Count Sort
• Heap Sort
• Binary Search
• BackToBackSWE Playlist

Linked Lists

• Insert
• Delete Nth Node
• Reverse
• Merge Two Sorted Linked List
• Fast Pointer, Slow Pointer technique
• Doubly Linked List
• BackToBackSWE Playlist

Hashing

• Various Types of Hashing

Bit Manipulation

• Basics
• BitMasking
• Powerset and Find tha nums

One Month Challenge :')

Solved:

Easy - 9 Medium - 1 Hard - 0