List of Problems
Here’s a list of problems to practice on. Enjoy!
Standard
- MKTHNUM - Kth Number
- KQUERYO - K-query Online
- SORTING - Sorting
- DQUERY - D-query
- XRQRS - Xor Queries
- SUBINVER - SubInversing
- FRBSUM - Forbidden Sum
- 786C - Till I Collapse
Path-to-root problems
- GOT - Gao on Tree
- COT - Count on Tree
- PSHTTR - Pishty and Tree
- GPD - Gotham PD
- 226E - Noble Knight’s Path
Mixed
- PRMQ - Chef and Prime Queries
- CLONEME - Cloning
- FIBTREE - Fibonacci Numbers on Tree (Math, HLD, hard)
- QUERY - Observing the Tree (HLD, hard)
- OAK - Persistent Oak (HLD, hard)
- 464E - The Classic Problem (Persistent Convex Hull Trick, hard)
This is community wiki, you can edit. Feel free to add problems you see fit! 