Longest Repeated Substring
Longest Repeated Substring is a DSA topic. In plain words you use it for folder on disk in a file explorer. Don’t start with a slogan — start with that picture.
Smallest example: left < root < right. Type it, run it, and say what you see. If you can do that from memory, you know Longest Repeated Substring.
From the example next to this theory — Longest Repeated Substring: dry-run [4, 1, 3].
Trap — unbalanced BST becoming a list. Fix that before you talk about advanced DSA.
Viva — what is Longest Repeated Substring? Then show left < root < right. Then name the trap.
8
/ \
3 10
/ \
1 6Exam tip
What is Longest Repeated Substring? Show this: left < root < right. Trap: unbalanced BST becoming a list.