Algorithm Interview Questions

882 algorithm interview questions shared by candidates

What is the difference between mean and median filter? If you apply a moving average filter to a signal what would happen to the signal standard deviation? What is the difference between logistic regression and a single layer single unit neural network? What is the difference with FIR and IIR?
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Algorithm Engineer

Interviewed at Apple

4.1
Feb 25, 2018

What is the difference between mean and median filter? If you apply a moving average filter to a signal what would happen to the signal standard deviation? What is the difference between logistic regression and a single layer single unit neural network? What is the difference with FIR and IIR?

Program was already %99 complete. The function took a sentence in the form of a string as input. It then gets the first character of the string and you need to return "digit" if the first character was a number, "Upper" if it's a capital, or "Lower" if it's a lowercase letter. They already had everything already coded besides the 3 conditions to check for in the if/else statements.
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Algorithm Engineer

Interviewed at Hudson River Trading

4.1
Jan 6, 2021

Program was already %99 complete. The function took a sentence in the form of a string as input. It then gets the first character of the string and you need to return "digit" if the first character was a number, "Upper" if it's a capital, or "Lower" if it's a lowercase letter. They already had everything already coded besides the 3 conditions to check for in the if/else statements.

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