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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)