It was a pre-screening call and a non - eliminating round.

I was asked 2 coding questions easy level on LeetCode.

Then I was asked questions about my internship.

Then I was asked ques related to C++ and OS.

Their main focus was on proficiency of C++.

Coding 1:

Given a string s, you have to encrypt it using the following rule.

For each sequence of contiguous same character, write its frequency from that point till the end and then append the character.

Example: aabbbaacc

should return 4a3b2a2c.