Ahh now I get it. The towers are blocking it against their neighbours. I understood something like they are water towers of a given capacity or such things. Boing. Yea, makes sense now. Thank you!

Let's take the first 2 examples in description:

[5,2,10] should return 3

So if it rains, there will be 3 units of water between 5 and 10 (it will become [5, 5, 10] (any more would just fall to left side, or right side of 10, which we don't care about)

[1,0,5,2,6,3,10] should return 7

So there is space for 1 unit between 1 and 5, 3 units between 5 and 6, and 3 more units between 6 and 10, ending in state [1, 1, 5, 5, 6, 6, 10] (1 + 3 + 3 = 7)

Does that make any sense?

Am I the only one who doesn't understand what to do?
How do I calculate this? (No code needed, I just don't get what do to)

D translation

Can someone please enable C++ as a programming language?

approved

approved

Go translation

Approved

Kotlin translation ready for review and approval.

approved

• declare your variables
• do not modify your inputs
• the IIFE would be better expressed as a recursive function returning a ( the ) result
• factor out things like sum
• express your intent more clearly in your code
• using splice may seem attractive, but it's generally slow; try avoiding it

It's not as performant as it could be, but it has more or less the right asymptotic performance. It's not as maintainable as it could be ( and this is bigger than you possibly think ), but .. it works.

Haskell translation

Can you review my JavaScript solution?

https://www.codewars.com/kata/reviews/58e781d2c731c115d9000e01/groups/61e2e39054e22a00012dde53

Thanks, for the answer