- Sort an Array
- Design a Number Container System
- IPO
- Two Best Non-Overlapping Events
- Scrambled String
- Data Stream as Disjoint Intervals
- Reduce Array Size to The Half
- Rearrange characters
- Nearly sorted
- Minimum Cost of ropes
- Merge k Sorted Arrays
- Kth smallest element
- Kth largest element
- Kth largest element in a stream
- K Most occurring elements
- K largest elements
- Heap Sort
- Find median in a stream
- Binary Heap Operations