Microsoft Corporation Interview Questions, Process, and Tips

2 medium leetcode question

Stock leetcode question

Q1. Design recommendation system for ecommerce
Ans. 
Design a recommendation system for ecommerce
• Utilize collaborative filtering to recommend products based on user behavior

• Implement content-based filtering to suggest items similar to those previously purchased

• Incorporate machine learning algorithms to personalize recommendations

• Consider using a hybrid approach combining collaborative and content-based filtering

• Include user feedback and ratings to improve recommendation
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Q2. Discuss monitoring techniques
Ans. 
Monitoring techniques are essential for tracking the performance and health of software systems.
• Use logging to record events and errors in the system

• Implement metrics to measure key performance indicators

• Set up alerts to notify of any abnormal behavior

• Utilize tracing to track requests and identify bottlenecks
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Q1. Tell me about yourself
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Q2. Tell me any complex situation you have handled
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Q3. Any expectations
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Q1. Design a library management system
Ans. 
A library management system to track books, users, and transactions
• Create database tables for books, users, transactions

• Implement functions for adding, updating, and deleting books

• Allow users to check out and return books

• Generate reports on book availability and user activity
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Asked from sorting and DP.two qeustions were there

Q1. Convert roman to numerals
Ans. 
Convert Roman numerals to numbers
• Create a mapping of Roman numerals to their corresponding values

• Iterate through the Roman numeral string from right to left

• If the current numeral is smaller than the next numeral, subtract its value from the total

• Otherwise, add its value to the total
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Q2. Rotate the array
Ans. 
Rotate the array in place by k steps
• Use the modulus operator to handle cases where k is greater than the array length

• Reverse the entire array, then reverse the first k elements and the remaining elements separately
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Q1. Personality based and team work based questions ,overall easy
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