Practice Real Company Assessment Patterns • Latest 2025–2026 Mock Tests

Programming Exercises

Implement a Trie (Prefix Tree) for Efficient Word Search.

Hard

Problem Statement

Implement a Trie (Prefix Tree) for Efficient Word Search.

Sample Input

Insert("apple") -> Search("app")

Sample Output

true

Limits

Time: 2s · Memory: 256 MB

Code Editor
00:00
<?php class Trie { /* Your code here */ } ?>
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Input
Insert("apple") -> Search("app")
Expected Output
true