Module Introduction to Trie

Introduction to Trie

**Frequency: 6/10** A simple data structure for strings.

Resources

- [GeeksforGeeks: Introduction to Trie](https://www.geeksforgeeks.org/introduction-to-trie-data-structure-and-algorithm-tutorials/)

Problems

Prefix 234 / 239 1200
Compare string 141 / 173 1300
Maximum score 146 / 150 1400
Report 126 / 128 1400
Maximum XOR subarray 162 / 163 1500
Query on string 96 / 106 1600
Language 69 / 71 1600
Poem 40 / 48 1800
Palindrome pairs 46 / 56 1900
Mass XOR queries 61 / 77 2000
XOR-path on tree 12 / 27 2000
The ancient book 12 / 18 2100