Cadence Design Systems Interview Questions, Process, and Tips

malloc is a function in C that dynamically allocates memory on the heap. It is used to allocate memory for variables or data structures.

• malloc is used in C programming language.

• It is used to allocate memory on the heap.

• malloc is different from 'new' in C++ as it does not call constructors for objects.

C++ is a general-purpose programming language while Objective C is a superset of C used for iOS and macOS development.

• C++ is widely used for developing applications, games, and system software.

• Objective C is mainly used for iOS and macOS development.

• C++ supports both procedural and object-oriented programming paradigms.

• Objective C is an object-oriented language with dynamic runtime features.

• C++ has a larger community a...read more

Class container is a class that holds objects of other classes, while class composition is a way to combine multiple classes to create a new class.

• Class container holds objects of other classes, acting as a collection or container.

• Class composition combines multiple classes to create a new class with its own behavior and attributes.

• In class container, the objects are typically stored in a data structure like an array o...read more

Divide the horses into groups of 5 and race them. Take the top 2 from each race and race them again. Finally, race the top 2 horses to determine the top 3.

• Divide the horses into 3 groups of 5 and race them.

• Take the top 2 horses from each race and race them again.

• Finally, race the top 2 horses to determine the top 3.

Developing a real-time data processing system for a high-traffic e-commerce website

• Implemented a distributed system architecture to handle large volumes of data

• Optimized algorithms for efficient data processing and storage

• Utilized caching mechanisms to improve system performance

• Worked closely with cross-functional teams to troubleshoot and resolve issues

• Example: Successfully reduced data processing time by 50% by imple

Seeking new challenges and opportunities for growth.

• Looking for a more challenging role to further develop my skills

• Interested in exploring new technologies and industries

• Seeking better career advancement opportunities

• Want to work in a more collaborative team environment

The width of a tree is the maximum number of nodes at any level in the tree.

• To calculate the width of a tree, we can perform a level order traversal and keep track of the maximum number of nodes at any level.

• We can use a queue data structure to perform the level order traversal.

• At each level, we count the number of nodes in the queue and update the maximum width if necessary.

Class container is a class that holds objects of other classes, while class composition is a way to combine multiple classes to create a new class.

• Class container holds objects of other classes, acting as a collection or container.

• Class composition combines multiple classes to create a new class with its own behavior and attributes.

• In class container, the objects are typically stored in a data structure like an array o...read more

C++ is a general-purpose programming language while Objective C is a superset of C used for iOS and macOS development.

• C++ is widely used for developing applications, games, and system software.

• Objective C is primarily used for iOS and macOS development.

• C++ supports both procedural and object-oriented programming paradigms.

• Objective C is an object-oriented language with dynamic runtime features.

• C++ has a larger standard...read more

malloc is a function used in C programming to dynamically allocate memory. It is used in low-level programming and is different from new.

• malloc is used to allocate memory on the heap in C programming.

• It is used when the size of memory needed is not known at compile time.

• malloc returns a void pointer to the allocated memory block.

• Example: int* ptr = (int*) malloc(5 * sizeof(int));

• new is used in C++ programming to dynami...read more

The width of a tree refers to the maximum number of nodes at any level in the tree.

• The width of a tree can be determined by traversing the tree level by level and counting the maximum number of nodes at any level.

• The width of a tree can also be calculated using breadth-first search (BFS) algorithm.

• The width of a tree is not related to the height or depth of the tree.

The width of a tree can be calculated by finding the maximum number of nodes at any level.

• Traverse the tree level by level using breadth-first search

• Keep track of the maximum number of nodes at any level

• Return the maximum number of nodes as the width of the tree

Seeking new challenges and growth opportunities in a more innovative environment.

• Looking for new challenges to continue learning and growing

• Interested in working in a more innovative and dynamic environment

• Seeking opportunities for career advancement and skill development

Developing a real-time data processing system for a high-traffic website.

• Designed and implemented a scalable architecture using microservices to handle large volumes of data.

• Optimized algorithms for efficient data processing and reduced latency.

• Resolved issues related to data consistency and synchronization across multiple servers.

• Collaborated with cross-functional teams to troubleshoot and fine-tune system performance...read more

Divide the horses into groups of 5 and race them. Take the top 2 from each race and race them again. Finally, race the top 2 horses to determine the top 3.

• Divide the horses into 3 groups of 5 and race them.

• Take the top 2 horses from each race and race them again.

• Finally, race the top 2 horses to determine the top 3.

I tend to overthink and can be indecisive at times.

• Overthinking can lead to analysis paralysis

• Indecisiveness can cause delays in decision-making

• I am actively working on improving my decision-making skills

I have a diverse group of friends who are supportive, fun-loving, and adventurous.

• My friends come from different backgrounds and cultures.

• They are always there for me when I need them.

• We enjoy trying new things and going on adventures together.

• We also love to have fun and make each other laugh.

• Some of my closest friends include my childhood best friend, my college roommate, and my work colleague.

My family is diverse and multicultural, with roots in different parts of the world.

• My parents are from different countries and met while studying abroad.

• I have relatives living in various parts of the world, including Europe, Asia, and South America.

• We celebrate holidays and traditions from both sides of the family, which makes for a unique and interesting experience.

• Growing up, I was exposed to different languages and...read more

I am seeking new challenges and opportunities for growth.

• Looking for a more challenging role

• Want to learn new skills and gain experience

• Seeking better work-life balance

• Company culture/values do not align with mine

• Limited opportunities for advancement

• Salary/benefits not competitive

• Commute is too long

• Personal reasons (relocation, family, etc.)

Programs can crash due to various reasons such as memory errors, bugs, hardware issues, etc.

• Memory errors such as accessing uninitialized memory or freeing already freed memory

• Bugs in the code such as infinite loops or null pointer dereferences

• Hardware issues such as power failure or overheating

• Valgrind issues such as memory leaks or invalid reads/writes

• Operating system issues such as insufficient resources or conflict

Allocate a 2-D array using C/C++

• Use the 'new' operator to allocate memory for the array

• Specify the number of rows and columns in the array

• Access elements using array indexing

A dictionary can be represented in memory using a hash table. Worst case complexity of search is O(n).

• A hash table can be used to represent a dictionary in memory

• Each key-value pair is hashed to a unique index in the table

• Search operation involves computing the hash of the key and looking up the corresponding index

• Worst case complexity of search is O(n) when all keys hash to the same index

I am a driven and passionate individual with a diverse background in various industries.

• I have experience in marketing, sales, and customer service.

• I am a quick learner and adaptable to new environments.

• I am a team player and enjoy collaborating with others to achieve common goals.

• I am also proficient in various software programs such as Microsoft Office and Adobe Creative Suite.

• In my free time, I enjoy hiking and phot

C++ is an extension of C with object-oriented programming features.

• C++ supports classes and objects while C does not.

• C++ has better support for polymorphism and inheritance.

• C++ has a larger standard library than C.

• C++ allows function overloading while C does not.

• C++ supports exception handling while C does not.

It depends on the specific use case and implementation.

• C and C++ have different performance characteristics.

• C++ has additional features that may impact performance.

• Optimizations can be applied to both languages.

• Benchmarking is necessary to determine which is faster in a specific scenario.

UNION in C is a data type that allows storing different data types in the same memory location.

• UNION is declared using the 'union' keyword.

• It can be used to save memory by sharing the same memory location for different data types.

• Accessing the value of a union member that was not recently assigned results in undefined behavior.

• Example: union myUnion { int i; float f; };

• Example: myUnion u; u.i = 10; printf("%d %f", u.i,

I know various sorting algorithms including bubble sort, insertion sort, selection sort, merge sort, quick sort, heap sort.

• Bubble sort - repeatedly swapping adjacent elements if they are in wrong order

• Insertion sort - iteratively inserting elements into a sorted sub-list

• Selection sort - repeatedly selecting the smallest element and swapping it with the current element

• Merge sort - recursively dividing the array into two...read more

Object-oriented programming is a programming paradigm that uses objects to represent and manipulate data.

• It focuses on creating reusable code by organizing data and behavior into objects.

• Objects have properties (attributes) and methods (functions) that can be accessed and modified.

• Encapsulation, inheritance, and polymorphism are key concepts in object-oriented programming.

• Examples of object-oriented programming languag

Overloading is having multiple methods with the same name but different parameters. Overriding is having a method in a subclass with the same name and parameters as in the superclass.

• Overloading is compile-time polymorphism while overriding is runtime polymorphism.

• Overloading is used to provide different ways of calling the same method while overriding is used to provide a specific implementation of a method in a subcl...read more

Our company's software is a project management tool for businesses.

• Helps businesses manage projects and tasks efficiently

• Allows team collaboration and communication

• Provides real-time progress tracking and reporting

• Integrates with other business tools like calendars and email

• Customizable to fit specific business needs

Variables can be allocated in different segments of memory.

• Global variables are allocated in the data segment.

• Local variables are allocated in the stack segment.

• Dynamically allocated variables are allocated in the heap segment.

• Static variables are allocated in the data segment.

• Thread-local variables are allocated in the thread-local storage segment.

Implement secondMin() API for a stack with push and pop operations.

• Create a second stack to keep track of the minimum values.

• Push the current minimum value to the second stack every time a new minimum is found.

• Pop the top element from the second stack when the minimum value is removed from the main stack.

• Return the second element from the top of the second stack as the second minimum value.

Count the number of set bits in a given number's binary representation.

• Convert the number to binary representation using bitwise operators.

• Iterate over the binary representation and count the number of set bits.

• Alternatively, use built-in functions like bin() and count() in Python.

• The time complexity of the algorithm should be O(log n).

Cell padding is the space between the content of a cell and its border in a table.

• Cell padding can be set using CSS or HTML attributes.

• It affects the appearance of the table and can improve readability.

• Padding can be set individually for each cell or for the entire table.

• Example:

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  Q22. Traversal in a tree. Made me code iterative and recursive version of in-order traversal

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  Q23. Difference between static and dynamic bindings

  Ans. 

  Static binding is resolved at compile-time while dynamic binding is resolved at runtime.

  • Static binding is also known as early binding while dynamic binding is also known as late binding.

  • Static binding is faster than dynamic binding as it is resolved at compile-time.

  • Dynamic binding is more flexible than static binding as it allows for polymorphism.

  • An example of static binding is method overloading while an example of dy

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  Q24. Concept of virtual function in C++. How is a vtable maintained? What are its enteries? Example code where virtual function is used

  Ans. 

  Virtual functions in C++ are used for runtime polymorphism. Vtable is maintained to store function pointers.

  • Virtual functions are declared using the virtual keyword

  • Vtable is a table of function pointers maintained by the compiler

  • Each class with virtual functions has its own vtable

  • Vtable entries are function pointers to the virtual functions of the class

  • Example code: class Shape { virtual void draw() { ... } };

  • Example c...read more

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  Q25. What is auto, volatile variables? Scopes of variables

  Ans. 

  Auto and volatile are storage classes in C programming language. Scopes of variables determine where they can be accessed.

  • Auto variables are created and destroyed automatically within a block of code.

  • Volatile variables are used to indicate that the value of the variable may change unexpectedly.

  • Scopes of variables determine where they can be accessed. Local variables have block scope, while global variables have file sc...read more

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  Q26. References in C++

  Ans. 

  References in C++ allow a variable to refer to another variable's memory address.

  • References are declared using the '&' symbol.

  • They are often used as function parameters to avoid copying large objects.

  • References cannot be null and cannot be reassigned to refer to a different object.

  • They are commonly used in operator overloading to modify the behavior of operators.

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  Q27. What is a static function in a C++ class? Why is it used? How to call a static function of class from any part of the code

  Ans. 

  Static function in C++ class and its usage

  • Static function belongs to the class rather than the instance of the class

  • It can be called without creating an object of the class

  • It is used to perform operations that do not depend on the state of the object

  • To call a static function, use the class name followed by the scope resolution operator and the function name

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  Q28. Given an array of numbers (+ve and –ve), tell the subarray with the highest sum

  Ans. 

  Find subarray with highest sum in an array of numbers.

  • Use Kadane's algorithm to find maximum subarray sum

  • Initialize max_so_far and max_ending_here to 0

  • Iterate through the array and update max_ending_here and max_so_far

  • Return the subarray with highest sum

  • Example: [-2, 1, -3, 4, -1, 2, 1, -5, 4] => [4, -1, 2, 1]

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  Q29. Height of a tree, diameter of a tree

  Ans. 

  The height and diameter of a tree are important measurements in forestry and arboriculture.

  • Height is typically measured from the base of the tree to the highest point of the crown.

  • Diameter is measured at breast height, which is 4.5 feet above the ground.

  • These measurements are used to determine the age, health, and value of a tree.

  • For example, a tall tree with a narrow diameter may indicate poor growth, while a shorter ...read more

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  Interview Preparation Tips

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  Career Advice

  1w

  a procurement specialist

  

  Am I on right path?

  Right after my BCom, I took a service advisor role at Honda for ₹7K due to urgency. Later, I moved to a gas station for ₹10K, handling all kinds of work beyond office tasks. My breakthrough came when I joined as an order management specialist in Bangalore for ₹22K. To advance, I self-learned Excel, Power BI, coding, and automation, earning a specialist role. I also completed my MBA in Logistics & Supply Chain online. After four years, my salary reached ₹35K. With management’s support, I transitioned to a procurement specialist role at ₹45K + ₹11K (night shift), later growing to ₹58K + ₹11K by optimizing processes. Now, I’m preparing for an HR round and planning to ask for a 55% hike. Am I on the right track? How can I accelerate my career growth?

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  Cadence Design Systems Interview FAQs

  How many rounds are there in Cadence Design Systems interview?

  Cadence Design Systems interview process usually has 2-3 rounds. The most common rounds in the Cadence Design Systems interview process are Technical, One-on-one Round and HR.

  How to prepare for Cadence Design Systems interview?

  Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Cadence Design Systems. The most common topics and skills that interviewers at Cadence Design Systems expect are System Design, Aerospace, C++, Debugging and Python.

  What are the top questions asked in Cadence Design Systems interview?

  Some of the top questions asked at the Cadence Design Systems interview -

  1. There are fifteen horses and a racing track that can run five horses at a time....read more
  2. Puzzle: Jumbled N pens and N caps, all caps separated from their pens, all pens...read more
  3. Puzzle: 100 floor building and 2 eggs given, find the minimum/maximum number of...read more

  How long is the Cadence Design Systems interview process?

  The duration of Cadence Design Systems interview process can vary, but typically it takes about less than 2 weeks to complete.

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  Cadence Design Systems Interview Process

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  Cadence Design Systems Salaries in India

  Lead Software Engineer 157 salaries	₹18.2 L/yr - ₹45 L/yr
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  Software Engineer 84 salaries	₹6.8 L/yr - ₹25 L/yr
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