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Software Development Test Engineer Interview Questions

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5,408 software development test engineer interview questions shared by candidates

Problem solving question: You have a list of numbers from 1 to 1000000 and one number is missing, but you don't know what it is. If you can only go through the numbers once, how do you find the missing number.
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Software Development Engineer In Test (SDET)

Interviewed at Microsoft

4★
Jan 14, 2013

Problem solving question: You have a list of numbers from 1 to 1000000 and one number is missing, but you don't know what it is. If you can only go through the numbers once, how do you find the missing number.

Given an eBay type service with multiple front-end applications, user information is being truncated when sent back to the user (Name was 'Andrew' but shows 'And'). Discuss your strategy on debugging this issue.
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MSIT Software Development Engineer In Test Intern

Interviewed at Microsoft

4★
Jan 25, 2013

Given an eBay type service with multiple front-end applications, user information is being truncated when sent back to the user (Name was 'Andrew' but shows 'And'). Discuss your strategy on debugging this issue.

Write a program that takes in a string and removes any duplicate spaces (including leading and trailing spaces – there should be none when finished). This program should not have any embedded loops, and you can only traverse the string ONCE. Should definitely be faster than O(n^2).
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Software Development Engineer In Test (SDET) Intern

Interviewed at Microsoft

4★
Feb 28, 2013

Write a program that takes in a string and removes any duplicate spaces (including leading and trailing spaces – there should be none when finished). This program should not have any embedded loops, and you can only traverse the string ONCE. Should definitely be faster than O(n^2).

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