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 339 / 346 1200
Compare string 216 / 259 1300
Maximum score 220 / 224 1400
Report 196 / 201 1400
Maximum XOR subarray 235 / 238 1500
Query on string 145 / 161 1600
Language 115 / 117 1600
Poem 68 / 75 1800
Palindrome pairs 65 / 80 1900
Mass XOR queries 83 / 98 2000
XOR-path on tree 28 / 48 2000
The ancient book 20 / 28 2100