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I don't even think it's that necessary to solve hard problems, at least in most fields. You can do a lot with general coding knowledge, however, I've found the

I don't even think it's that necessary to solve hard problems, at least in most fields. You can do a lot with general coding knowledge, however, I've found the CS fundamentals to be most useful for optimization.

tuananh 9y ago
it depends on what do we define as "hard problems"