SDE - 1
Samsung
3 rounds | 7 Coding problems
1688 views
Interview preparation journey
Preparation
Duration: 2 months
Topics: Data Structures and Algorithms
Tip

For Samsung do prepare for recursion with backtracking problems and also graph-related algorithms problems as these are most important parts of interview in Samsung. Also, you can find topic wise Data Structures and Algorithms problems on Codezen or Geeks For Geeks. You may refer them as I personally use these portals and they helped me a lot.

Application process
Where: Campus
Eligibility: 7
Resume tip
Interview rounds
01
Round
Easy
Online Coding Test
Duration 180 minutes
Interview date29 Jul 2020
Problems1
Minimum Time in Wormhole Network

There is a source (S) and destination (D) and a spacecraft has to go from S to D. There are N number of wormholes in between which has the following properties:

Each wormhole has an entry and an exit.

Each wormhole is bi-directional i.e. one can enter and exit from any of the ends.

The time to cross the wormhole is given and the space craft may or may not use the wormhole to r...

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Problem approach
• I simply used recursion with the backtracking approach here and iterated over each wormhole and call recursion with that wormhole as starting point and calculated the minimum answer.
02
Round
Easy
Face to Face
Duration30 minutes
Interview date29 Jul 2020
Problems4
What are stack and heap?
Problem approach
• I simply gave him a definition of both the data structures with their particular operations and their properties.
Loot House

Find maximum possible stolen value from houses

There are n houses build in a line, each of which contains some value in it. A thief is going to steal the maximal value of these houses, but he can’t steal in two adjacent houses because the owner of the stolen houses will tell his two neighbours left and right side. What is the maximum stolen value?

Examples:

...

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Problem approach
• I explained this question to the interviewer through the Dynamic programming approach by including the current element or excluding the current element and finding the maximum in both cases.
Components of android.
Problem approach
• I explained to him all the components of android with their usage in my projects.
Problem approach
• I started by explaining to him the features and working of my projects by giving the database schema and other details. Then draw to him the basic workflow of both my projects to him.
• After this discussion, the interviewer was happy with my response.

03
Round
Easy
HR Round
Duration20 minutes
Interview date29 Jul 2019
Problems2
Problem approach
• I gave him my brief introduction with the short information about my family members.
The architecture of android.
Problem approach
• I draw the proper architecture of android and explained him properly with working of each component.
• Finally, after evaluation I got offer from the company.

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