9. Palindrome Number

String

4. Median Of Two Sorted Arrays

2. Add Two Numbers

Linked List

Valid Parentheses

HashTable Stack

1. Two Sum

Array HashTable

Mistakes you SHOULDN'T make when crafting your resume

Mistakes you SHOULDN'T make when crafting your resume

FAANG Strategy Tips

Instead of learning solutions of LeetCode questions, understand patterns!

Instead of learning solutions of LeetCode questions, understand patterns!

FAANG Strategy Tips

DoublyLinkedList Design (with bidirectional search to perform faster)

Node.next - Value - Node.prev Actions: addAtHead, addAtTail, get, deleteAt, addAtIndex

Linked List

CTCI 1.4 Palindrome Permutation

String

CTCI 1.6 String Compression

Count the chars using loop

Array String