Project Euler has been publishing math/programming problems since 2001.

Where can I find recommended reading for each Project Euler problem? (answer)

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But would you really want to…

What are the best alternative ways to hire programmers without an interview? (answer)

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This question doesn’t specify a limit on the interview question length, so…

How do I separate the experienced programmers from inexperienced ones in an interview using just 1 question? (answer)

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Do people succeed in interviews by memorizing all the answers?

I can’t understand LeetCode solutions. Can I learn them by memorizing them and reciting them from memory? (answer)

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A question that everyone runs into after studying competitive programming for a while:

Should I use a template in competitive programming? (answer)

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If Codeforces isn’t optimal for interview preparation (see last week), what about competitive programming in general?

Is competitive programming important for big tech companies like Google and Amazon? How can I prepare for them? (answer)

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Should you use Codeforces for interview preparation?

What minimum Codeforces rating (omitting other required knowledge) is needed to get a software engineering job at a giant company? (answer)

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Some people do this in the LeetCode discussion forums:

Does writing LeetCode problems in multiple languages make me think about algorithms from multiple angles? (answer)

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Get experience and then practice, or practice to get experience?

What level of coding experience is required to get the most out of LeetCode? (answer)

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Last week: stars. This week: points (aka coins).

What is the benefit of getting points in LeetCode? (answer)

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