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 254 / 260 1200
Compare string 156 / 191 1300
Maximum score 160 / 164 1400
Report 138 / 142 1400
Maximum XOR subarray 177 / 178 1500
Query on string 106 / 117 1600
Language 76 / 78 1600
Poem 46 / 54 1800
Palindrome pairs 49 / 58 1900
Mass XOR queries 64 / 80 2000
XOR-path on tree 17 / 31 2000
The ancient book 13 / 19 2100