Visual Gallery Front covers archive Animations Priority queue Hash table Binary search Array operations Catalan number Factorial number Matrix Graph as matrix Trie 1 2 › Visual arts DFS BFS Big O notations Adjacency matrix DFS Adjacency matrix poster Adjacency matrix BFS Data structures table Coding doodles Factorial recursion doodle Prime number recursion doodle Quicksort doodle Heapsort doodle Bubble sort doodle Insertion sort doodle Fibonacci recursion doodle Catalan number recursion doodle Merge sort doodle 1 2 ›