Online Assessment : 3 coding questions +Technical MCQs: After that 3 students got shortlisted (Including me).
Interview Round 1 (Technical): Time: 1 Hour. Started with my intro and then the interviewer gave me a Linked List question, a standard question.
- Question 1: Reverse Nodes in k-Group
GFG Link: https://www.geeksforgeeks.org/problems/reverse-a-linked-list-in-groups-of-given-size/1
LeetCode Link: https://leetcode.com/problems/reverse-nodes-in-k-group/
I was able to solve this question and gave him two solutions.
- Question 2: The next question was to print a pattern.
Pattern:
1
1 2 1
1 2 3 2 1
1 2 3 4 3 2 1I was able to solve this question using two for loops.
Tip: Don’t forget to mention the time and space complexities of the solution.
- Then he asked me if I had any questions.
- I asked about the work culture at Sigmoid.
- After that all qualified for Interview Round 2.
Interview Round 2 (Technical): Time: 1 Hour 20 Minutes.
- I started with the intro and then a deep discussion on my projects.
- Then she gave me a coding question on Tree data structure, a standard question.
- Question 1: Zig-Zag traversal of a Binary Tree.
GFG Link: https://www.geeksforgeeks.org/problems/zigzag-tree-traversal/1
I told 2 different approaches and I was able to solve and code the question in 15 min. After the above question, the interviewer asked another coding question, a medium one.
- Question 2: Count ways to reach the nth stair
There are n stairs, a person standing at the bottom wants to reach the top. The person can climb either 1 stair or 2 stairs at a time. Count the number of ways, the person can reach the top.
GFG Link:- https://www.geeksforgeeks.org/problems/count-ways-to-reach-the-nth-stair-1587115620/1
I told an approach and she asked me to code. She asked me to Code this problem in two ways (Recursive and Iterative). I was able to code the question in 20 minutes, the interviewer was pretty much impressed.
Tip: Don’t forget to mention the time and space complexities of the solution.
After that 2 students got shortlisted (Including me).
Interview Round 3 (HR Round): Time: 20 Minutes. Started with my intro, and he asked me the following questions.
- Where did I do my internship?
- Why do you want to come to our company?
- Difficulties faced while doing your project? and then I asked some questions regarding the work culture.
Tips: Be Confident!!!
Interview Round 4 (VP Round): Time: 15 Minutes
- Started with my intro.
- He asked about the class 12th subject name and marks I got and about my family background.
- He basically wants to test my communication skills.
After that 2 students (including me) got FTE offer+ intern.
Don’t give up hope. Happy Coding