- Design image deduplication for images stored in a laptop. Write pseudocode.重复image必须是pixel level完全一样。
- Given a M * N board with numbers. Output sum of all numbers in the given rectangle, the rectangle is represented by top-left and bottom-right point.
- Hiring manager and another manager. Talk about project expe rience.
- Design Twitter news feed. news feed跟网上的面经比较类似