Intel Senior Software Engineer Interview Questions and Answers

Q1. Add two linked list
Ans. 
To add two linked lists, iterate through both lists simultaneously and add corresponding nodes, considering carry from previous addition.
• Create a dummy node to hold the result.

• Initialize current node to dummy node.

• Iterate through both lists, adding values and carry from previous addition.

• Move to next nodes in both lists.

• Handle cases where one list is longer than the other.

• Handle final carry if present.
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Q2. Find shortest path in graph
Ans. 
Use Dijkstra's algorithm to find the shortest path in a graph
• Implement Dijkstra's algorithm to find the shortest path between two nodes in a graph

• Maintain a priority queue to keep track of the shortest distance to each node

• Update the shortest distance to each node as you traverse the graph

• Track the path by storing the previous node for each node visited
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Q1. Check tree is BST
Ans. 
Check if a binary tree is a Binary Search Tree (BST)
• Perform an in-order traversal of the tree and check if the resulting array is sorted

• Keep track of the previous node value during traversal to compare with the current node value

• Ensure that each node's value is greater than the previous node's value in the in-order traversal
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Q2. Check substring palindrome or not
Ans. 
Check if a substring in an array of strings is a palindrome or not.
• Iterate through each string in the array

• For each string, check if any of its substrings are palindromes

• Return true if a palindrome substring is found, false otherwise
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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
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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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Major questions were around problem solving, strings

Q1. Reserve Binary Search Tree
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Q1. Basic questions around testing.
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Here they asked lots of logical reasoning questions and checked on how you approached different situations

Q1. Explained package and other details
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Q1. Spring boot core java
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Q2. Different annotations
Ans. 
Annotations are used in Java to provide metadata about a program.
• Annotations start with the @ symbol

• Annotations can be used to provide information to the compiler or runtime environment

• Examples of annotations in Java include @Override, @Deprecated, and @SuppressWarnings
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Q3. Activate profile
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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
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Q1. Tell me about your Protect?
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Q2. Questions on C++
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Q1. Day to day tasks
Ans. 
Day to day tasks involve coding, debugging, testing, and collaborating with team members.
• Writing code for new features or fixing bugs

• Debugging and troubleshooting issues

• Testing code to ensure quality and functionality

• Collaborating with team members on projects

• Participating in code reviews and providing feedback
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Q2. Team management questions
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Q1. Salary negotiations
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Q2. Bahaviour questions
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