Samsung SDS Senior Executive Engineer Interview Questions and Answers

Q1. Oops concepts and data structures
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Q2. Dbms questions where based on normalization
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2 coding questions and around 20 aptitude questions

Q1. 2 easy type coding questions
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Q2. 3 to 4 probability questions. 1 was really hard.
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Q3. Their main focus was statistics part.
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It was not good, it contain mostly question of java programming.

Q1. Print factorial of n through recursion Sum of all n numbers
Ans. 
Factorial of n and sum of n numbers using recursion
• Create a recursive function to calculate factorial of n

• Use a recursive function to calculate the sum of all n numbers

• Handle base cases for both factorial and sum calculations

• Example: Factorial of 5 = 5 * 4 * 3 * 2 * 1 = 120, Sum of first 5 numbers = 1 + 2 + 3 + 4 + 5 = 15
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Two questions were asked and answered both

Two programs on Java was asked on loops and collections

The first round was a mcq test based on aptitude and statstics

2nd round was a coding round. Three questions were given . Two were easy and one was medium

Q1. Two leetcode easy level questions
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Q2. One leetcode medium level question
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Round duration - 60 Minutes
Round difficulty - Medium

Interview was scheduled in afternoon. It was more on OOPs and DSA.

Q1. 
Check If Linked List Is Palindrome
Given a singly linked list of integers, determine if the linked list is a palindrome.
Explanation:
A linked list is considered a palindrome if it reads the same forwar...read more
Ans. 
Check if a given singly linked list of integers is a palindrome or not.
• Traverse the linked list to find the middle element using slow and fast pointers.

• Reverse the second half of the linked list.

• Compare the first half with the reversed second half to determine if it's a palindrome.
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Round duration - 20 Minutes
Round difficulty - Easy

She asked me more about myself and few projects in resume. It was more of formal discussion than an interview round. I was very comfortable and she aksed me about my location preference at end of. Interview.

There was apti round with good apti questions and also code debugging

Q1. About polymorphism ,code polymorphism and inheritance
Ans. Coded it in cpp in notepad
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Q2. 3 apti question and also discussion on resume
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Q3. Angle between hands of clock on 10:25? Trains traveling towards eachother give speed where will they collide?
Ans. 
Angle between hands of clock at 10:25 is 147.5 degrees. Trains will collide at midpoint of their initial positions.
• To calculate angle between hands of clock, use formula: |(30*H)-(11/2)*M|

• For 10:25, H=10 and M=25, so angle = |(30*10)-(11/2)*25| = 147.5 degrees

• When two trains are traveling towards each other, their relative speed is added to get the collision speed.

• The collision point is the midpoint of their initial po...read more
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Q1. General resume based
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Q2. Strength and weakness
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