Walmart Labs Software Engineer III Interview Questions and Answers for Experienced

Java hackerank test on 5 questions

Q1. Project overview, system design
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Q1. What initiatives taken
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Question on the similar lines of Max sum subarray, we had to count the max consecutive sequence until the current sum is positive(almost same logic as max sum subarrray) but in the question they gave an initial value.

Q1. Directory & files like Object and asked me to get the size of each diretcory.
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Q2. Extension to first question, Validate the Directory structure
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Q1. Question based on resume and your experience
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Some question on bfs

Some question on tree

Some question on array

Q1. What are the methods used for scheduling CPU processes?
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Q1. Given a Tree with 0's and 1's find number of distinct islands. Joined 1's together form an island.
Ans. 
Count the number of distinct islands in a tree with 0's and 1's where joined 1's form an island.
• Traverse the tree and identify connected components of 1's to form islands.

• Use a set to store the unique shapes of islands to avoid counting duplicates.

• Consider different shapes of islands like horizontal, vertical, diagonal, etc.

• Example: [['1', '0', '1'], ['1', '1', '0']] has 2 distinct islands.
Answered by AI
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Q1. It was about arrays
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