📄️ intro
What is data structure
📄️ linked list
Linked list
📄️ stack / queue
Stack and queue
📄️ heap
Heap
📄️ tree / graph
Tree and graph
📄️ binary search tree / hash map
Binary search tree and hash map
📄️ trie
Trie
📄️ disjoint set union
Disjoint set union
📄️ graph
Graph