Walmart Software Engineer III Interview Questions and Answers for Freshers

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. 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.
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Q1. It was about arrays
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Q1. Steps to make software secure
Ans. 
Steps to make software secure
• Perform regular security audits

• Implement secure coding practices

• Use encryption for sensitive data

• Implement access controls and authentication

• Stay up-to-date with security patches and updates
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Q1. What are the methods used for scheduling CPU processes?
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