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Samsung Software Developer Interview Questions and Answers
84 Interview questions
Virtual memory is still needed even with large physical memory. Paging helps manage memory efficiently.
Virtual memory allows for larger programs to run than physical memory can handle
Paging helps manage memory efficiently by swapping out unused pages to disk
Virtual memory also allows for memory protection and sharing between processes
Examples of programs that require virtual memory include video editing software a...
Count the number of '-' characters in a string and return 1 if it matches the given number, else return 0.
Use a loop to iterate through each character in the string and count the number of '-' characters.
Compare the count with the given number and return 1 if they match, else return 0.
Handle edge cases such as empty string or negative number input.
Program to find the only duplicate in an array
Create a hash set to store elements as they are encountered
If an element is already in the hash set, it is a duplicate
Return the duplicate element
To find the middle of a linked list, use two pointers - one moving at twice the speed of the other.
Initialize two pointers - slow and fast
Move the slow pointer one step at a time and the fast pointer two steps at a time
When the fast pointer reaches the end of the list, the slow pointer will be at the middle
Virtual addressing is a memory management technique that allows a process to use a range of memory addresses independent of physical memory.
Virtual addresses are mapped to physical addresses by the memory management unit (MMU)
Virtual addresses are allocated to a process during its execution
Virtual addressing allows for efficient use of physical memory by allowing multiple processes to share the same physical memor...
Code for producer-consumer problem using mutex
Create a shared buffer with a fixed size
Create a mutex to control access to the buffer
Create a semaphore to keep track of the number of items in the buffer
Create a producer thread that adds items to the buffer
Create a consumer thread that removes items from the buffer
Use mutex to lock the buffer while adding or removing items
Use semaphore to signal when the buffer is f...
Functions to create and delete nodes in a stack
To create a stack, initialize a top pointer to null
To push a node, create a new node and set its next to the current top, then set top to the new node
To pop a node, set top to its next and return the popped node
To delete the stack, pop all nodes until top is null
OOPs properties and examples with applications
Encapsulation: bundling of data and methods within a class. Example: Java class. Application: data hiding and security.
Inheritance: creating a new class from an existing class. Example: subclass. Application: code reusability and extensibility.
Polymorphism: ability of an object to take on many forms. Example: method overloading. Application: flexibility and modularity.
...
It depends on the specific use case and input size.
For small input sizes, simple algorithms like insertion sort or selection sort may be sufficient.
For larger input sizes, more complex algorithms like merge sort or quicksort may be more efficient.
For nearly sorted input, insertion sort may be the fastest.
For input with many duplicates, counting sort or radix sort may be the best choice.
For input with a known range...
Yes, constant and volatile can be used together.
Constant variables are read-only and cannot be modified.
Volatile variables are used to indicate that the value may change unexpectedly.
Using both together can be useful in multi-threaded environments.
For example, a constant pointer to a volatile variable can be used to ensure thread safety.
Samsung Software Developer Interview Experiences
38 interviews found
Priyadharshini AP
I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.
(3 Questions)
- Q1. Array based coding test
- Q2. Second largest salary in DBMS
- Q3. Sum of elements close to target
- Ans.
Calculate the sum of elements in an array that are closest to a given target value.
Iterate through the array and calculate the absolute difference between each element and the target value.
Keep track of the element with the smallest difference and update the sum accordingly.
Return the sum of elements closest to the target value.
Anonymous
I appeared for an interview in May 2025, where I was asked the following questions.
- Q1. All 1's and 2's of array
- Ans.
This question involves processing an array containing only 1's and 2's, focusing on their arrangement or counting.
Count the number of 1's and 2's in the array. Example: [1, 2, 1] -> 2 ones, 1 two.
Sort the array to group all 1's followed by 2's. Example: [2, 1, 1] -> [1, 1, 2].
Find the maximum or minimum value in the array. Example: In [1, 2, 1], max is 2, min is 1.
Check if the array is balanced (equal number of 1...
- Q2. Subarray max sum
- Ans.
Find the maximum sum of a contiguous subarray in an integer array using Kadane's algorithm.
Use Kadane's algorithm for an efficient O(n) solution.
Initialize two variables: maxSum and currentSum.
Iterate through the array, updating currentSum and maxSum.
Example: For nums = [-2,1,-3,4,-1,2,1,-5,4], maxSum = 6 (subarray [4,-1,2,1]).
If currentSum drops below 0, reset it to 0.
Basic DSA Question on Recursion , DFS, BFS
(2 Questions)
- Q1. Insert a node in a N - array tree
- Ans.
Insert a node in a N-array tree
Traverse the tree to find the parent node where the new node will be inserted
Add the new node as a child of the parent node
Update the parent node's child array to include the new node
- Q2. Some GFG puzzle and explanation
Skills evaluated in this interview
I applied via Referral and was interviewed in May 2024. There was 1 interview round.
The coding from DSA topics
Selected
I applied via Campus Placement
1. Online test in campus (1 question, 3hrs - 2018)/
2. Group discussion
3. In person campus interview
I applied via Campus Placement and was interviewed in Nov 2023. There were 3 interview rounds.
3 hr test 1 question
(1 Question)
- Q1. Leetcode medium and projects
(1 Question)
- Q1. General hr question
I applied via Naukri.com and was interviewed before Oct 2023. There were 2 interview rounds.
Two leetcode problems
(2 Questions)
- Q1. Tell about yourself
- Ans.
I am a passionate software developer with experience in Java, Python, and web development.
Graduated with a degree in Computer Science
Worked on multiple projects using Java and Python
Familiar with web development technologies like HTML, CSS, and JavaScript
Strong problem-solving skills and ability to work in a team
- Q2. Where do you see yourself in 5years
- Ans.
In 5 years, I see myself as a senior software developer leading a team on innovative projects.
Continuing to enhance my technical skills and knowledge through ongoing learning and certifications
Taking on more leadership responsibilities and mentoring junior developers
Contributing to the success and growth of the company through my expertise and dedication
I applied via Referral and was interviewed in Mar 2023. There were 3 interview rounds.
The aptitude test is about your basic knowledge in software developing.
(1 Question)
- Q1. What are the basic role of JAVA in the development of software?
- Ans.
JAVA is a versatile programming language used for developing various software applications.
JAVA is platform-independent and can run on any operating system
It is object-oriented and supports multithreading
JAVA is widely used for developing web applications, mobile applications, and enterprise software
It provides a vast library of pre-built classes and APIs for developers to use
JAVA is also used for developing games, sci...
Interview Preparation Tips
Skills evaluated in this interview
Selected
I appeared for an interview before Apr 2024, where I was asked the following questions.
- Q1. Design a ticket booking system like Bookmyshow
- Ans.
Design a ticket booking system for events, movies, and shows with user-friendly features and efficient backend management.
User Registration: Allow users to create accounts for personalized experiences.
Event Listings: Display available events with details like date, time, and venue.
Seat Selection: Provide an interactive seating chart for users to choose their seats.
Payment Gateway: Integrate secure payment options for t...
- Q2. Convert a Linkedlist to a Number, Buying stocks II(LC)
- Ans.
Convert a linked list to a number by interpreting each node's value as a digit, handling edge cases like empty lists.
Node Representation: Each node in the linked list contains a digit (0-9) and a reference to the next node.
Constructing the Number: Traverse the linked list, multiplying the current number by 10 and adding the node's value.
Example: For a linked list 2 -> 4 -> 3, the number is 243 (2*100 + 4*10 + 3).
...
I appeared for an interview in Apr 2022.
(2 Questions)
Round duration - 90 Minutes
Round difficulty - Easy
It was conducted on the cubes platform. We were given 2 coding questions to solve in 90 minutes.
I solved both the problems within 25 min and checked for different test cases manually for more than 15 mins. There were only two test cases were visible and the rest are hidden. Even After submission, they didn’t show us whether all test cases pass not. So, before submission doesn’t forget to check for corner cases manually. One needs to pass all test cases as low as time possible.
- Q1.
Next Greater Number Problem Statement
Given a string
Swhich represents a number, determine the smallest number strictly greater than the original number composed of the same digits. Each digit's frequenc... - Ans.
Given a number represented as a string, find the smallest number greater than the original with the same set of digits.
Sort the digits in non-increasing order to find the next greater number.
Swap the last two digits to get the smallest greater number.
If no greater number exists, return -1.
- Q2.
Check if Two Trees are Mirror
Given two arbitrary binary trees consisting of 'N' and 'M' number of nodes respectively, your task is to check whether the two trees are mirror images of each other or not.
...
- Ans.
Check if two binary trees are mirror images of each other.
Compare the left subtree of the first tree with the right subtree of the second tree.
Compare the right subtree of the first tree with the left subtree of the second tree.
Check if the roots of both trees are the same.
Interview Preparation Tips
Tip 1 : Practice questions on leetcode
Tip 2 : Understand the best solutions in depth and algorithm used
Tip 3 : Ask clarifying questions to the interviewer and break the problem to smaller sub parts
Tip 1 : Highlight your most impactful work on the resume
Tip 2 : Keep it easy to understand
Skills evaluated in this interview
Top trending discussions
Samsung Interview FAQs
Some of the top questions asked at the Samsung Software Developer interview -
The duration of Samsung Software Developer interview process can vary, but typically it takes about less than 2 weeks to complete.
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