Concatenated Words
Given a list of words, you need to find all the concatenated words in the list. A concatenated word is…
Design Add and Search Words Data Structure
Design a data structure that supports adding new words and searching for words with a given pattern.
Implement Trie (Prefix Tree)
A Trie (Prefix Tree) is a tree-like data structure used to efficiently store a dynamic set of strings while allowing…
Word Break
Given a string s and a dictionary of words dict, you need to determine if s can be segmented into…