Postmates Interview Questions
Coding round questions
- First non repeating character in a string
- Check whether a string is 'beautiful'. A beautiful string is a string where the next lexographical character has less occurances than the previous character
- Check if a 9x9 Sudoku board is valid
- Given a square matrix of size NxN, complete the latin square. A Latin square is a square that contains N sets of numbers from 1 to N arranged tthat no such row or column contains the same number twice.
Technical Interview Questions
Data Structures and Algorithms
DBMS
Operating System
System Design
- Design FB messenger style chat system with support for group chats
Miscellaneous
References
- LeetCode Discuss