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Software Development Test Engineer Interview Questions

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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.

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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