The two technical interviews towards the end were trying to find out if I had a particular skill set. I'm not sure what that is... The other interview with manager was broad and felt very comfortable.
Engineer Interview Questions
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There is a clock which shows false timing ie it shows 10 minutes less for each 1 hour....if the clock shows 12 noon now how many minutes will be lost when it shows 3 pm ?
2 medium questions and 1 hard
From SQL: 1. If there are 2 tables with m and n rows respectively, then what will be the minimum and maximum number of rows in all the joins. 2. Get the 3rd highest employee salary from employee salary table. 3. Given a product table, the new record gets appended in table with the new timestamp for the product ID. Find out the latest row for that particular product with or without analytical functions. 4. Given there are 2 tables of employee details and employee project details, which all employee are not yet assigned a project. For python: 1. Given a product data frame, the new record gets appended in table with the new timestamp for the product ID. Find out the latest data frame for that particular product with pandas.
SQL question: 1 table with player_id, log in date, and 2 other fields and was asked to calculate first day retention rate. First day retention rate is defined as the player who log in the 2nd straight day, after the first ever time they log into game.
Write an algorithm to return the intersect of two arrays.
Given an array of integers, how would you move the duplicate integers into a different array? What is the efficiency of your algorithm?
Q3) Few questions on design patterns(Interpreter/ Observer/State) etc.
1) Given an array of numbers where each number has a duplicate except one, write a program to return the lone number.
What is binary search tree? Whats the time complexity of inserting? deleting? seaching? What's the time complexity for the worse case?
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