CS Fundamentals in Java

Strings

Repeated DNA Sequence Question, Solution
Longest Common Prefix Question, Solution
Minimum Window Substring Question, Solution
Valid Palindrome Question, Solution
Reverse String Question, Solution
Reverse String II Question, Solution
Reverse String III Question, Solution
Reverse Vowels Question, Solution
Remove Vowels Question, Solution
Find Common Characters Question, Solution
Most Common Word Question, Solution
Long Pressed Name Question, Solution

Arrays

Two Sum Question, Solution
3Sum Smaller Question, Solution
Single Element in Sorted Array Question, Solution
Third Maximum Number Question, Solution
Remove Duplicates from Sorted Array II Question, Solution
Intersection of Two Arrays II Question, Solution
Maximum Subarray Question, Solution
Maximum Product Subarray Question, Solution
Best Time to Buy and Sell Stock Question, Solution
Longest Consecutive Sequence Question, Solution

Trees

Search in a Binary Search Tree Question, Solution
Insert into a Binary Search Tree Question, Solution
Closest Binary Search Tree Value Question, Solution
Closest Binary Search Tree Value II Question, Solution
Binary Tree Inorder Traversal Question, Solution
Binary Tree Preorder Traversal Question, Solution
Binary Tree Postorder Traversal Question, Solution
Binary Tree Level Order Traversal Question, Solution
All Nodes Distance K in Binary Tree Question, Solution
First Bad Version Question, Solution
Recover Binary Search Tree Question, Solution

Tries

Implement Trie (Prefix Tree) Question, Solution
Replace Words Question, Solution

Linked Lists

Palindrome Linked List Question, Solution
Add Two Numbers Question, Solution
Reverse Linked List Question, Solution
Remove Nth Node from End of List Question, Solution

Stacks

Basic Calculator Question, Solution
Sum of Subarray Minimums Question

Graphs

Clone Graph Question, Solution

Sorting

Longest Repeating Substring Question, Solution

Math, Bitwise Operations

Sum of Two Integers Question, Solution
Power of Two Question, Solution
Reverse Integer Question, Solution
Multiply Strings Question, Solution

Dynamic Programming, Recursion

Nth Tribonacci Number Question, Solution
Word Break II Question, Solution
Combinations Question, Solution
Subsets Question, Solution
Word Search Question, Solution
Remove Invalid Parentheses Question, Solution

Regular Expressions

RegEx Matching Question

Source: Leetcode