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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
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the k=0 rule would make sense if the problem was turned into a problem where you have to select the amount of dice with n being the limit
@_@, but currently for every other output it seems to only care about the sum if u rolled all the dice
You're right, I understood it over time.
Several results make no sense. Like "act(0, 6, 0, 1)": How can you throw zero dices one time? That is physically impossible. You can only reach zero points by not throwing the dices at all, no matter how many you have.
Or "act(1, 6, 0, 1)": How can you throw one dice with side values of 1-6 and reach zero points? The minimum you can reach with one throw is 1.
Or "act(0, 6, 1, 0)": You have no dice, but you reach a score of 1 by throwing them zero times? How is that supposed to work?
Or "act(1, 6, 7, 0)": You can score a maximum of 6 points with a throw, but with zero throws you can score 7 points...?
My opinion: A target of zero can only be achived with zero throws, no matter how many dices and sides you have. If the target is >0, then there should be >0 dices, otherweise return -1 or "Error". A target larger than the maximum points you can achieve should either be removed or also lead to -1 or "Error".
In Python,
import fractions
yieldsfractions == None
. This does not seem to be intentional, so I'm assuming something in the import-prevention stuff is broken.Should be posted under "Issues"
:/
Like @crunker99 said above, it's worth noting that this evaluates the expression for every single day. Fine in this case because they're all very cheap, but something to keep in mind.
This comment is hidden because it contains spoiler information about the solution
I do not understand the logic here. You do not pick how many dice you can roll, it is
n
dice. There is no way (0
ways) to have a roll sum ofk = 0
when you roll at least one die. This outcome should only be possible when bothn
andk
are0
. If you ask for1
whenk = 0
andn > 0
, you implictely say that we get to choose how many dice we can roll, which is a different problem than what the kata is asking for. It also makes the sum of probabilities for eachk
bigger than1
, which does not make sense.Sample Test Cases & Test cases (Fixed tests):
Assertions must be encapsulated inside the it block, not directly under the describe block [Ref]
Missing solution import
Test cases (Random tests):
Should also use
test.assert_approx_equals
instead oftest.assert_equals
for approx equality.Better adjust the it block message (
args = ...
) so it matches the new parameter name (diameters
) of the user solution.@dfhwze I think
k == 0
is reachable iffn == 0
. (Take a look at my solution to the current version.)fixed
fixed
especially when you read it as
agreed, is this not unlike a vacuous truth?
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