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 145 / 148 1200
Compare string 93 / 112 1300
Maximum score 100 / 103 1400
Report 89 / 90 1400
Maximum XOR subarray 114 / 115 1500
Query on string 70 / 76 1600
Language 47 / 49 1600
Poem 26 / 27 1800
Palindrome pairs 31 / 37 1900
Mass XOR queries 47 / 56 2000
XOR-path on tree 7 / 13 2000
The ancient book 4 / 5 2100