Data Structures for Coding Interviews in C++/

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Structure of a Trie

Structure of a Trie

This lesson covers the structure of the Trie class in C++.

We'll cover the following...

Introduction

In this lesson, we will take a look at the basic structure of a trie and then build a class in C++ based on what we’ve studied.

g t t o o t->o h h t->h p p o->p u u h->u e e h->e s s u->s i i e->i r r i->r Root Root Root->t
Trie containing "top", "thus" and "their".

The Trie Node Class #

The node of a trie represents an alphabet. For example, if we want to insert “hello” in the Trie, we will need to add 5 nodes, one ...