Interview Study Guide

General
Java Data Structures Big O Convert Integer to Binary Fibonacci Lru Cache

Strings
Reverse a String Reverse Vowels in String Determine if Anagram Permutation Longest Substring No Repeats

Arrays
2 Sum Find Mode Determine if Rotated Find X Prime Numbers Sorted Array to Bst

Linked Lists
Add Two Lists Detect Cycle Start Is a Palindrome Reverse Linked List Merge Sorted Linked Lists Merge K Sorted Linked Lists Swap Nodes in Pairs

Trees
Bst Delete Node Bst Kth Smallest Bst Convert to Dll Bst Determine if Valid Count Leaf Nodes Count Left Nodes Invert Binary Tree Level Order Traversal Path Sum Print Paths

Sorting
Quicksort Mergesort