interview-guide
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Coding/technical interview guide: data structures, algorithms, complexity analyses, interview questions
Interview Guide
This repo is my guide for interview preparation. Feel free to use it as you see fit. It consists of common data structure and algorithm implementations and notes, complexity analyses, and interview questions I have come across. My implementations are done in Python for uniformity and convenience. However, the solutions that I provided to the interview questions are not necessarily done in Python.
Data Structures
Linked Lists | ||
---|---|---|
Singly Linked | code | notes |
Doubly Linked | code | notes |
Stacks | ||
LIFO | code | notes |
Queues | ||
FIFO | code | notes |
Deque | code | notes |
Priority Queue | code | notes |
Trees | ||
BST | code | notes |
AVL | code | notes |
Red-Black | code | notes |
Hash Tables | ||
Open Addressing | code | notes |
Separate Chaining | code | notes |
Graphs | ||
Adjacency List | code | notes |
Adjacency Matrix | code | notes |
Algorithms
Sorting
Bubblesorts | ||
---|---|---|
Bubblesort | code | notes |
Simple Sorts | ||
Insertion Sort | code | notes |
Selection Sort | code | notes |
Efficient Sorts | ||
Merge Sort | code | notes |
Quicksort | code | notes |
Heapsort | code | notes |
Distribution Sorts | ||
Bucket Sort | code | notes |
Counting Sort | code | notes |
Radix Sort | code | notes |
Graphing
Greedy | ||
---|---|---|
Kruskal's Algorithm | code | notes |
Prim's Algorithm | code | notes |
Huffman Coding | code | notes |
Dynamic Programming | ||
Bellman-Ford Algorithm | code | notes |
Dijkstra's Algorithm | code | notes |
A* Search Algorithm | code | notes |
Breadth First Search | ||
Breadth First Search | code | notes |
Depth First Search | ||
Depth First Search | code | notes |
Interview Q&A
Coding
Easy | ||
---|---|---|
Balanced Delimiters | code | notes |
First Repeating Character | code | notes |
Add Reversed Linked Lists | code | notes |
Rectangle Overlap | code | notes |
Greatest Time | code | notes |
Prime Numbers | code | notes |
Merge Sort | code | notes |
BST | code | notes |
Medium | ||
NxN Board Game | code | notes |
Longest Palindrome | code | notes |
Product Seeds | code | notes |
Iterative Inorder Traversal | code | notes |
Minimum Length Subarray | code | notes |
Linked List Palindrome | code | notes |
k Most Frequent Elements | code | notes |
Hard | ||
Kth Nearest Point | code | notes |
Shortest Path with Obstacle Avoidance | code | notes |
code | notes |
Brain Teasers
Easy | |
---|---|
Sudoku Sub-Grid | Problem |
10x10x10 Rubik's Cube | Problem |
Medium | |
Three Wise Men | Problem |
Hard |