Cadence Design Systems Senior Software Engineer Interview Questions and Answers

Duration: 1Hour 30 Minutes, 2 Coding Questions of Total 175 Marks. 1st Question has 75 marks and 2nd Question has 100 marks.

Q1. 1. Find the smallestMissingNumber in given array using Bitwise OR operation alone 2. Based on Array data Manipulation.
Ans. 
Using Bitwise OR operation to find the smallest missing number in an array.
• Iterate through the array and perform Bitwise OR operation with each element to set corresponding bit in a bitmask

• Iterate through the bitmask to find the first unset bit, which represents the smallest missing number

• Example: Array [0, 1, 3, 4, 6] would have a bitmask of 10101, smallest missing number is 2
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Q2. Q2: Customized Data Extraction From Given Dynamic Array & Perform Some Math Operations On the Extracted Data
Ans. 
Extract data from a dynamic array and perform mathematical operations on it.
• Identify the dynamic array structure, e.g., ['12', '15', '20'].

• Convert string elements to integers for mathematical operations.

• Perform operations like sum, average, or product on the extracted data.

• Example: For array ['2', '3', '5'], sum = 2 + 3 + 5 = 10.

• Use built-in functions like map() for conversion and reduce() for aggregation.
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Q1. Write a Pseudo code for given scenario?
Ans. 
Pseudo code for a scenario
• Define variables and data structures needed

• Write the main logic using conditional statements and loops

• Handle edge cases and error conditions

• Test the pseudo code with sample inputs
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Q1. System Design & Design Pattern based questions
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Q1. Not Applicable (Yet to be scheduled)
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Q1. Given a, b and target x, y , find if we can reach to x,y using a+b or a-b from a,b
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Q2. This was a sliding window problem where need to get the max , so you are give a pos in the x axis and there are items kept and you need to collect the max .
Ans. 
Maximize item collection using a sliding window approach on a 1D axis.
• Identify the range of positions on the x-axis where items are located.

• Use two pointers to represent the current window of positions being considered.

• Expand the right pointer to include more items until the window exceeds the desired range.

• Contract the left pointer to reduce the window size while maintaining the maximum sum of items.

• Keep track of the ...read more
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1 easy, 1 medium and 1 hard LC

Q1. 1. How will access files in a different server? 2. There are several files all containing similar key value pairs. The values differ in all files. How will you identify all the values that are same and ot...read more
Ans. 
To access files in a different server, use protocols like FTP or SSH. To identify similar key value pairs in multiple files, compare values using a script or tool.
• Use FTP or SSH protocols to access files in a different server

• Write a script or use a tool to compare key value pairs in multiple files

• Identify values that are the same and different across files

• Example: Use Python script to read files and compare key value p...read more
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Q1. Reserve Binary Search Tree
Ans. 
A Reserve Binary Search Tree (RBST) is a data structure that maintains sorted order and allows efficient insertion, deletion, and search operations.
• An RBST is a self-balancing binary search tree that ensures logarithmic height for efficient operations.

• Insertion and deletion operations are performed while maintaining the binary search tree properties.

• Example: Inserting values 10, 20, 30 in sequence will balance the tree...read more
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Major questions were around problem solving, strings

OOPS Principle.
SQL
Java Coding Round - with easy level of questions

Q1. Java language understanding
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Q2. Deep testing concept
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