Trie (Prefix Tree)/Medium

Implement Trie (Prefix Tree)PRO PASS

Time: O(L) per opSpace: O(N * L)

Step 1: Setup & Initialization - Implement Trie

Traverse node edges character by character.

Array Elements & Pointers

[0]

[1]

[2]

[3]

[4]

Live Variables & Invariants

status:Initialized

pattern:Implement Trie

Step 1 / 333%

Solution Code

class Trie {

  root = {};

  insert(word: string) {

    let node: any = this.root;

    for (const c of word) { node[c] = node[c] || {}; node = node[c]; }

    node.isEnd = true;

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