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Cadence Design Systems Software Developer Interview Questions and Answers for Freshers
6 Interview questions
Reverse an array of strings
Create a new array and iterate through the original array in reverse order, adding each element to the new array
Use built-in array methods like reverse() or spread operator for a more concise solution
Ensure to handle edge cases like empty array or null values
Deleting a node from a linked list involves updating pointers to maintain the list's integrity.
Identify the node to be deleted by traversing the list
Update the previous node's next pointer to skip the node to be deleted
Free the memory allocated to the node to be deleted
To detect a loop in a linked list, we can use Floyd's Cycle Detection Algorithm.
Initialize two pointers, slow and fast, at the head of the linked list.
Move slow pointer by one step and fast pointer by two steps.
If there is a loop, the two pointers will eventually meet.
Alternatively, we can use a hash set to store visited nodes and check for duplicates.
To search for a node in a linked list, iterate through the list and compare each node's value with the target value.
Start at the head of the linked list
Iterate through each node by following the 'next' pointer
Compare the value of each node with the target value
Return the node if found, otherwise return null
Implement a stack using a singly linked list
Create a Node class with data and next pointer
Create a Stack class with top pointer pointing to the top of the stack
Implement push, pop, and peek operations by manipulating the linked list
Example: Node class - Node { int data; Node next; }
The top view of a binary tree shows the nodes visible from the top when looking down from the root node.
The top view of a binary tree is the set of nodes visible from the top when looking down from the root node.
Nodes at the same horizontal distance from the root are considered at the same level in the top view.
If multiple nodes are at the same horizontal distance, only the topmost node at that level is included i...
Cadence Design Systems Software Developer Interview Experiences for Freshers
2 interviews found
Arpit Kumar
Medium coding qs with technical interview
(1 Question)
- Q1. Reverse an array
Anonymous
I appeared for an interview before Sep 2020.
(3 Questions)
Round duration - 30 minutes
Round difficulty - Easy
- Q1. How do you search for a node in a linked list?
- Ans.
To search for a node in a linked list, iterate through the list and compare each node's value with the target value.
Start at the head of the linked list
Iterate through each node by following the 'next' pointer
Compare the value of each node with the target value
Return the node if found, otherwise return null
- Q2. How do you detect a loop in a linked list?
- Ans.
To detect a loop in a linked list, we can use Floyd's Cycle Detection Algorithm.
Initialize two pointers, slow and fast, at the head of the linked list.
Move slow pointer by one step and fast pointer by two steps.
If there is a loop, the two pointers will eventually meet.
Alternatively, we can use a hash set to store visited nodes and check for duplicates.
- Q3. Implement a stack using a singly linked list.
- Ans.
Implement a stack using a singly linked list
Create a Node class with data and next pointer
Create a Stack class with top pointer pointing to the top of the stack
Implement push, pop, and peek operations by manipulating the linked list
Example: Node class - Node { int data; Node next; }
(2 Questions)
Round duration - 40 minutes
Round difficulty - Easy
- Q1. What is the top view of a binary tree?
- Ans.
The top view of a binary tree shows the nodes visible from the top when looking down from the root node.
The top view of a binary tree is the set of nodes visible from the top when looking down from the root node.
Nodes at the same horizontal distance from the root are considered at the same level in the top view.
If multiple nodes are at the same horizontal distance, only the topmost node at that level is included in the...
- Q2. Explain the process of deleting a node from a linked list, covering all possible cases.
- Ans.
Deleting a node from a linked list involves updating pointers to maintain the list's integrity.
Identify the node to be deleted by traversing the list
Update the previous node's next pointer to skip the node to be deleted
Free the memory allocated to the node to be deleted
Interview Preparation Tips
Do practice a lot of questions on linked list and stacks as these are two most important data structures asked in the interview. Also, try to implement it yourself without seeing the solution. Also prepare for Computer Science subjects like Operating System, Database Management System, Computer Networks, etc. I prepared them through Coding Ninjas notes which were simpler and easy to understand.
Application resume tips for other job seekersKeep your resume short and up to mark and check spellings before submitting it for the interview process.
Final outcome of the interviewSelectedSkills evaluated in this interview
Top trending discussions
Interview questions from similar companies
I applied via Recruitment Consultant and was interviewed before May 2020. There were 3 interview rounds.
Interview Questionnaire
2 Questions
- Q1. DS and Algo questions based on DP and backtracking
- Q2. Clone linked list with random pointers.
- Ans.
Clone a linked list with random pointers.
Create a new node for each node in the original list.
Store the mapping between the original and cloned nodes in a hash table.
Traverse the original list again and set the random pointers in the cloned list using the hash table.
Return the head of the cloned list.
Interview Preparation Tips
Skills evaluated in this interview
I appeared for an interview before May 2016.
Interview Preparation Tips
Experience: it was elitmus test conducted by the company itself on campus. As per my knowledge only those scoring 90 percentile got selected for round 2.
Tips: Attempt only those ques that are necessary for scoring 90+ in e litmus. Specially in verbal don't attempt more then required questions, though you might be tempted. The aim is not to score max bt to score 90+
Round: Technical Interview
Experience: This was a programming based round. I was asked to write algorithms for various array linked list based problems. There was cross questioning prompting to reduce complexity and to use different data structures for same problems.
Mostly it focused on subjects like c, data structures and ADA.
Tips: Be clear with basic of data structures and algorithms. Pointers, queue, stacks, array linked lists, sorting etc are the keywords.
Round: Technical Interview
Experience: This was a information security specific round since that was my major. In depth cross questioning on my thesis topics, honeypots, network intrusion etc. Security certificates, and on the go problems to provide security solution layer wise in different scenarios. Security concept of torrents was also asked in detail.
Tips: It was more of a security discussion and throwing of ideas about how things in a particular case could work or could not. Don't worry about right or wrong answer just be clear with your reasoning about the solution you are suggesting.
Round: Other Interview
Experience: I don't know what to name this round, but it focused mainly on developing test cases for an object. Say they gave me a stapler and said to develop a test plan listing down test cases for a given object to pass so that it can be confirmed that it is a stapler. Another scenario was with a lift.
Tips: This is one round where your presence of mind and inter personal skills matter. I think the way you present your thoughts was most important here.
Round: Behavioural Interview
Experience: This was was mostly about how would you react in a given professional situation
Like your assigned work could not be completed on time, or if you are doing something wrong with the work assigned.
Tips: This is all about inter personal skills and putting your best foot forward :)
College Name: Indira Gandhi Delhi Technical University For Women, Delhi
I appeared for an interview in Sep 2016.
Interview Preparation Tips
Experience: Questions aren't tough but they take more time to read itself.
Tips: First try to attempt the questions which are seemingly small. Reading bigger questions first and wasting more time on that isnt a good idea at all.
Duration: 30 minutes
Total Questions: 30
Skills: Technical Skill, Analytical Skills
College Name: IIT Kharagpur
Kavya Mrudula
I applied via Campus Placement
Interview Questionnaire
4 Questions
- Q1. What is a program, task and threads
- Ans.
A program is a set of instructions that tells a computer what to do. A task is a unit of work performed by a program. A thread is a sequence of instructions within a task.
A program is a collection of instructions that are executed by a computer to perform a specific task.
A task is a unit of work that is performed by a program. It can be a specific action or a set of actions.
A thread is a sequence of instructions within...
- Q2. Delete a node in a linked list
- Ans.
To delete a node in a linked list, we need to adjust the pointers of the previous and next nodes.
Find the node to be deleted by traversing the linked list
Adjust the pointers of the previous and next nodes to skip the node to be deleted
Free the memory occupied by the node to be deleted
- Q3. What is a function pointer and volatile type in c
- Ans.
A function pointer is a variable that stores the address of a function. Volatile type is used to declare variables that can be modified by external factors.
Function pointers are used to pass functions as arguments to other functions.
Volatile type is used when a variable's value can be changed unexpectedly by external factors.
Function pointers can be used to implement callbacks or event handling mechanisms.
Volatile type...
- Q4. Summarise your resume
- Ans.
Experienced software developer with expertise in Java, Python, and SQL
Proficient in Java, Python, and SQL programming languages
Developed web applications using Java Spring framework
Experience with database management and optimization using SQL
Worked on various software projects in a team environment
Interview Preparation Tips
Experience: Paper was challenging and It was well set.
Duration: 90 minutes
Total Questions: 60
Round: Technical Interview
Experience: It was a very good experience overall. Interviewer helped to ease the tension.
Tips: Waiting time can be reduced.
General Tips: Prepare for precedence of operators in C.
Try to be fast in solving the problems.
Skills: Knowledge Of Your Resume Points, Pointers In C, Operating System Basics
Duration: 2
College Name: IIT Madras
Motivation: Qualcomm is a
Skills evaluated in this interview
Interview Questionnaire
5 Questions
- Q1. In C programming they asked about storage classes, Volatile , Whole compilation process steps by steps, Dangling pointer , Memory leak, Memory corruption
- Q2. In data structure they asked question on String , Linked List and array
- Q3. Data structure question section is easy don't go for complex algorithms just study basic algorithms. like reverse the linked list in group on given size
- Q4. They also asked question on bit manipulation. Like Check that given number binary representation is palindrome or not?
- Q5. Swap even and odd bits in given number
- Ans.
Swap even and odd bits in a given number
Create a mask for even bits and odd bits
Shift even bits to right and odd bits to left
Combine even and odd bits using bitwise OR operator
Interview Preparation Tips
Skills evaluated in this interview
I appeared for an interview before Sep 2020.
(1 Question)
Round duration - 45 minutes
Round difficulty - Medium
Its a zoom call interview which lasted for 45 minutes. initially there are two panel members in which one is very targetting at me. They asked me different type of questions like jumping from DSA to project then to python then again java. Its a mixed combo pack type interview. for each and every question they asked me the real time example. The discussion on my project lasted for 15-20 mins.
- Q1.
Count Set Bits Problem Statement
Given a positive integer
N, compute the total number of '1's in the binary representation of all numbers from 1 to N. Return this count modulo 1e9+7 because the result can... - Ans.
Count the total number of set bits in the binary representation of numbers from 1 to N modulo 1e9+7.
Use bitwise operations to count the set bits in each number from 1 to N.
Keep track of the total set bits and return the result modulo 1e9+7.
Optimize the solution to handle large values of N efficiently.
Consider using dynamic programming or precomputing values for faster computation.
Round duration - 30 mins
Round difficulty - Easy
This round was a zoom interview. The interview started with my brief introduction. This time the interview was more interested in my hobbies and passions. He asked me what do you do to keep yourself updated with the latest technology trends?
Interview Preparation Tips
Tip 1 : Do participate in all the coding contests, long challenges held by codechef, codeforces
Tip 2 : Practice all kinds of problems on leetcode, gfg, coding ninjas
Tip 3 : When you are writing a written exam for a particular company, make sure you get to know about the company in detail.
Tip 1 : Make your resume short and sweet(mostly 1 page, max 2 pages) is preferred.
Tip 2 : Make sure your resume is crisp rather than descriptive
Tip 3 : Do not lie on your resume
Skills evaluated in this interview
I appeared for an interview before Mar 2024.
(1 Question)
- Q1. Salary discussion
(2 Questions)
- Q1. OOPS question to develop a fault-sensing algorithm in machines
- Ans.
Design a fault-sensing algorithm using OOP principles for efficient machine diagnostics.
Encapsulation: Use classes to encapsulate machine states and fault data.
Inheritance: Create a base class for general machines and derived classes for specific types.
Polymorphism: Implement methods that can be overridden for different fault detection strategies.
Example: A 'Machine' class with a 'detectFault()' method, overridden in '...
- Q2. Debug array question in bubble sort
- Ans.
Debugging bubble sort involves identifying and fixing errors in the sorting algorithm for arrays.
Check the outer loop: Ensure it runs for the correct number of passes. Example: for (int i = 0; i < n-1; i++)
Verify the inner loop: It should compare adjacent elements and swap them if they are in the wrong order. Example: if (arr[j] > arr[j+1])
Ensure the swap logic is correct: Use a temporary variable to hold one of ...
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