Sometimes Julia feels like cheating (www.codewars.com)

submitted 1 year ago by [email protected] to c/[email protected]

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I just tried my first problem on Codewars and realised: This solution feels like cheating

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[-] [email protected] 6 points 1 year ago

What's the solution in Julia?

[-] [email protected] 3 points 1 year ago

I first did something with findfirst, which needed some bounds checks. Then I saw another answer and they used searchsortedfirst which is just it ... Even the documentation reads like the problem description

[-] [email protected] 1 points 1 year ago

Ah so the library is just made for problems like this. Who would have thought :)

[-] [email protected] 2 points 1 year ago

Naahh… searchsortedfirst is simply faster than other search algorithms (in this specific case). Extremely useful in many applications.It ist there because Julia cares about efficiency

[-] [email protected] 1 points 1 year ago

This helped me realize how much this aligns with my problems (and I guess the spirit of this test problem). Sometimes you have special knowledge of your data and can use much more efficient functions that are just there in Julia.

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this post was submitted on 27 Jul 2023

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