Apple asked this
Imagine a tree where each branch is a letter. Starting from the top, every path down the branches spells a word. This tree is called a "trie" or "prefix tree." It's special because with it, you can quickly check if a word or prefix exists in a set of words. Think of it like a family tree, but instead of relatives, it's letters that are connected to make words.
#viral #shorts #datastructure #algorithms #interviewquestions
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