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 225 / 229 1200
Compare string 138 / 170 1300
Maximum score 143 / 147 1400
Report 123 / 125 1400
Maximum XOR subarray 157 / 158 1500
Query on string 96 / 106 1600
Language 68 / 70 1600
Poem 40 / 48 1800
Palindrome pairs 46 / 55 1900
Mass XOR queries 60 / 76 2000
XOR-path on tree 12 / 27 2000
The ancient book 10 / 16 2100