OYO Interview Experience for 6 months SDE-Intern

Online Round :

There was a total of 3 questions, and the time given was 90 minutes.

1. Find Excel column name from a given column number
2. Shortest distance between two cells in a matrix or grid
3. Maximum Number

I was able to solve all of the questions. **Selected** for interview.

Technical interview

First, he asked me to introduce myself, after that he directly jump to the coding part.

He asked me two questions :

1. Maximum Frequency Stack
2. First Missing Positive 

The second question was quite hard for me. I was not able to solve it in O(1) space. 

Verdict: Rejected