Siemens On Campus Interview Experience For Internship (2024)

Siemens on-campus Interview question for Internship:

• Position: CPP Developer
• Internship Duration: 12 months
• Stipend: 40,000 INR per month
• Pre-Placement Offer (PPO): 14 LPA

Interview Process - Number of Interview Rounds

Round 1: CBT Test of Aptitude and 1 coding question Time limit (90 minutes)
Round 2: Online Technical interview for 1hrs 15 min
Round 3: Online Technical interview for 1hrs 15 min

Note: There are no HR interviews (they came to hire a CPP developer)

Round 1 (Aptitude test)

It has questions based on time and work, ratio and proportion, percentage, probability distribution, statistic, algorithm, pointer, prefix, and suffix. and 1 coding question of 50 marks ( medium level)

Round 2 (Technical Interview)

Technical Questions

1. Intro
2. What are OOPs, Four pillars of OOPS, types of polymorphism, and how to implement them in code?
3. What is virtual function, what is inheritance, types of inheritance, implement in code
4. Difference between Encapsulation and Abstraction
5. What is an Abstract class?
6. Move all zeros to the end ( https://www.geeksforgeeks.org/batch/gfg-160-problems/track/arrays-gfg-160/problem/move-all-zeroes-to-end-of-array0751 )
7. What is a linked list?
8. How to insert and delete elements in a linked list at any position, what is its edge case, and what is time complexity? https://www.geeksforgeeks.org/problems/delete-a-node-in-single-linked-list/1?page=1&category=Linked%20List&difficulty=Basic,Easy&sortBy=submissions
9. When given the address of any node in the linked list how to delete that node, head node is not given? Try to solve in O(1) time complexity https://www.geeksforgeeks.org/problems/delete-without-head-pointer/1?page=1&category=Linked%20List&difficulty=Basic,Easy&sortBy=submissions

Puzzles

1. Given two ropes each burnt in 1 hour. Ropes are non-uniformly distributed ( somewhere it burnt slow and somewhere burnt fast). How can you calculate 15mins using these two rope
2. Given 12 points in a plane, how many triangle you can draw, why 12c3 why not 12p3?
3. If 5 points are collinear then how many triangle can be drawn?

Round 2 (Technical Interview)

Technical Question

1. Intro
2. Which programming language you preferred?
3. What is cpp?
4. What is OOPs?
5. Implement inheritance in your code
6. Implement compile time polymorphism in your code
7. What is linked list
8. Why and where we linked list
9. Construct linked list
10. Debug your code
11. What is static memory allocation and what is dynamic memory allocation

Puzzles

• Given a water tank which is full of water from which you can use as much water as you want and a 5L and 3L measuring container given to you. How can you measure 4L water using these two container
  (https://www.geeksforgeeks.org/aptitude/puzzle-measure-4-litre-with-3-and-5-litre-bottle/)

Final Outcome

I got selected as a CPP Developer at Siemens.