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 219 / 223 1200
Compare string 135 / 165 1300
Maximum score 140 / 144 1400
Report 120 / 122 1400
Maximum XOR subarray 154 / 155 1500
Query on string 94 / 104 1600
Language 66 / 68 1600
Poem 40 / 48 1800
Palindrome pairs 45 / 54 1900
Mass XOR queries 58 / 74 2000
XOR-path on tree 11 / 26 2000
The ancient book 10 / 16 2100