Algorithms
Searching:
- binary search (TypeScript / JavaScript)
- quick select (TypeScript)
- shortest path (JavaScript)
Sorting:
- bubble sort (JavaScript)
- counting sort (JavaScript / TypeScript)
- heap sort (JavaScript)
- insertion sort (JavaScript)
- Knuth shuffle (JavaScript)
- merge sort (JavaScript)
- merge sort in place (JavaScript)
- quicksort (JavaScript / TypeScript / Python)
- radix sort (TypeScript)
- selection sort (JavaScript / TypeScript)
- shell sort (JavaScript)
- wiggle sort (JavaScript)
Tree traversal:
- in-order traversal (JavaScript)
- post-order traversal (JavaScript)
- pre-order traversal (JavaScript)
Data structures
- binary search tree (JavaScript)
- bloom filter (JavaScript)
- deque (JavaScript / TypeScript)
- doubly linked list (JavaScript)
- graph (JavaScript / TypeScript)
- hash table (JavaScript)
- linked list (JavaScript / Python)
- LRU cache (JavaScript)
- max heap (JavaScript / TypeScript / Python)
- min heap (TypeScript / Python)
- randomized queue (TypeScript)
- red-black tree (Python)
- stack (Python)
- trie (JavaScript)
Interview questions
- animal shelter (Python)
- apple stocks (JavaScript)
- balanced BST (JavaScript)
- balanced parens / https://leetcode.com/problems/valid-parentheses/ (JavaScript)
- balanced parens with wildcard (JavaScript)
- baseball scoring (JavaScript)
- bikes (JavaScript)
- bucket fill (JavaScript)
- check if given string is interleaving of two strings (JavaScript)
- check permutation (Python)
- climb steps (JavaScript)
- clone linked list with random pointer / https://leetcode.com/problems/copy-list-with-random-pointer/ (JavaScript)
- construct a BST of minimal height / https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree/ (JavaScript)
- decode string (JavaScript)
- decode permutations (JavaScript)
- deep clone graph / https://leetcode.com/problems/clone-graph/ (JavaScript)
- delete linked list node (Python)
- find longest increasing route in graph (JavaScript)
- find shortest route in directed graph (JavaScript)
- find sum of elements between two indices in integer array (JavaScript)
- generate all permutations (JavaScript)
- generate valid parens pairs / https://leetcode.com/problems/generate-parentheses/ (JavaScript)
- hat / Google interview question (JavaScript)
- is unique (Python)
- isomorphic strings / https://leetcode.com/problems/isomorphic-strings/ (JavaScript)
- kth to last (Python)
- longest substring with at most k distinct characters (JavaScript)
- longest substring with no repeating characters (JavaScript / TypeScript)
- loop detection (Python)
- match words to pattern (JavaScript)
- most common word (JavaScript / TypeScript)
- move zeroes to the right (JavaScript)
- n paths / no backtracking (JavaScript)
- number of islands (JavaScript)
- one away (Python)
- palindrome permutation (Python)
- partition linked list (Python)
- peek from iterator (JavaScript)
- pig latin translator (JavaScript)
- push to end (JavaScript)
- queue via stacks (Python)
- reverse linked list (JavaScript)
- remove dups in linked list (Python)
- rotate matrix (Python)
- set of stacks (Python)
- shortest path (JavaScript)
- sort stack (Python)
- spiral matrix (JavaScript)
- stack min (Python)
- string compression (Python)
- string rotation (Python)
- subset sums (JavaScript)
- sum lists (Python)
- synchronize (JavaScript)
- task scheduler (JavaScript)
- three stacks with one array (Python)
- Toeplitz matrix (JavaScript)
- trapping rainwater (JavaScript / TypeScript)
- two sum (JavaScript / TypeScript)
- unbounded knapsack (JavaScript)
- urlify (Python)
- word search II / https://leetcode.com/problems/word-search-ii/ (JavaScript)
- wrap text (Kotlin)
- zero matrix (Python)