Trell Frontend Developer Intern Interview Questions and Answers

Round duration - 180 minutes
Round difficulty - Medium

The timing was 4 pm to 7 pm.
The interviewer was friendly.

Q1. 
Find the Second Largest Element
Given an array or list of integers 'ARR', identify the second largest element in 'ARR'.
If a second largest element does not exist, return -1.
Example:
Input:
ARR = [2,...read more
Ans. Simple solution
The idea is to sort the array in decreasing order and return the second largest element in the array.
1. Sort the array in decreasing order.
2. We can create a function to sort the elements using a sorting algorithm such as quicksort or use inbuilt sorting functions.
3. Traverse from index 1(0-based indexing) because the element at index 0 will clearly be the first largest and check whether duplicates of the larger ...read more
Answered Anonymously
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Round duration - 20 minutes
Round difficulty - Easy

The timing was in the morning at 10 AM.
HR asked general questions and rather it was just a discussion.