Trie | (Insert and Search) - GeeksforGeeks
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Trie Data Structure - GeeksforGeeks Courses Tutorials Interview Prep DSA Tutorial Interview Questions Quizzes Must Do Advanced DSA System Design Aptitude Puzzles Interview Corner DSA Python Trie Data Structure Last Updated : 18 Jan, 2026 The Trie data structure is used to store a set of keys represented as strings. It allows for efficient retrieval and storage of keys, making it highly effective in handling large datasets. We can insert and search strings (in a dictionary) in O(n) time where n is length of the string. This is obviously faster than BST. This is also faster than Hashing because
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