Real Interview Questions
Delhivery Interview Questions (Real, Asked)
8 real questions candidates were actually asked at Delhivery interviews. Practice any of them out loud with Roundd AI and get instant feedback — free, no signup.
Practice these questions with AI feedback →- 1.
Reverse a string containing mixed characters in O(n) time and O(1) space.
Software Engineer
- 2.
Given a 4x4 chessboard, a postman must send message packets to random cells (x, y); find the minimum time and distance to deliver all of them.
Software Engineer
- 3.
Explain the many-to-many threading model and the difference between user-level and kernel-level threads.
Software Engineer
- 4.
Given a matrix, count the number of ways a given string occurs by moving left, right, up, and down.
Software Engineer
- 5.
Find the frequency of each character in a string in an efficient way.
Software Engineer
- 6.
Why would you use an unordered_map instead of an ordered map?
Software Engineer
- 7.
Write a SQL inner-join query across two tables to produce a given output.
Software Engineer
- 8.
Write code for post-order traversal of a binary search tree.
Software Engineer