Samsung SDS Software Developer Intern Interview Questions and Answers

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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Q1. There are three technical rounds one round will be tough
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Q1. They didn't ask me anything
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Q2. Will give U false promises and showoff about the company
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Round duration - 30 Minutes
Round difficulty - Easy

Timing of test start from 11 AM and everything goes well here .

Q1. OS Question
What is segmentation
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Q2. DBMS Question
How many level of Normalization are there ?
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Round duration - 60 Minutes
Round difficulty - Easy

It happen nicely and no problem occur.

Q1. Trapping Rain Water
You have been given a long type array/list 'ARR' of size 'N'. It represents an elevation map wherein 'ARR[i]' denotes the elevation of the 'ith' bar. Pri...read more
Ans. Brute Force Approach
The idea here is to travel over every elevation on the map and calculate the units of water the elevation can store.
 
Here is the algorithm :
 
1. Iterate over every elevation or element and find the maximum elevation on to the left and right of it. Say, the maximum elevation on to the left of the current elevation or element that we are looking at is ‘maxLeftHeight’ and the maximum elevation on...read more
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Q2. Sort 0 1 2
You have been given an integer array/list(ARR) of size 'N'. It only contains 0s, 1s and 2s. Write a solution to sort this array/list.
Note :
Try to solve the problem in 'Single Sca...read more
Ans. Sorting
Use any good sorting algorithm like Merge Sort, Quick Sort or inbuilt sorting function of different languages.
• Sort the Array and just return.
Space Complexity: O(1)Explanation:
O(1), As we are using constant space.
Time Complexity: O(nlogn)Explanation:
O(N*log(N)), where ‘N’ is the size of the array.
We are using inbuilt sort algorithm which has Overall Time Complexity O(N*log(N))
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Round duration - 90 mintues
Round difficulty - Hard

Environment is very bad the intervier video call is lagging.

Q1. Compiler Design Question
. List The Sub Parts Or Phases Of Analysis Part
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Q2. Left Rotations of An Array
You are given an array consisting of 'N' elements and you need to perform 'Q' queries on the given array. Each query consists of an integer which tells the number...read more
Ans. Rotate One Element At A Time
The idea is to create a function which would rotate the array one element at a time. This can be done by shifting the array towards left by one element and copying the first element to the end of the array. For every query repeatedly call the above function, until the desired rotation is obtained.
 
If the number of rotations required, say ‘K’, is greater than the number of elements, ‘N’,...read more
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