# Project Euler #215: Crack-free Walls

# Project Euler #215: Crack-free Walls

thoese + 1 comment can someone explain the variable "m"?

edqm9gghx7 + 0 comments Click the "Load more comments" link below, someone asked about it 14 days ago. Basically you don't have to store all the digits of the final answer; e.g. if m=1000 you only report the last 3 digits of the answer.

edqm9gghx7 + 1 comment My code works properly for the first 13 test cases, but times out for the next few. The last few are listed as "abort in 0s" so I guess it doesn't bother running the last ones if a bunch of earlier ones fail due to timeout, right?

marouane18 + 1 comment In thouse cases the result is very huge so you sould review the data type in witch you save you result

edqm9gghx7 + 0 comments I think you mean "the intermediate calculations tend to be very huge" since the final result is calculated mod m

levpolka + 0 comments I found this problem. In original you must find the answer with given input (32, 10), and it is just back to back with time complexity, O(num_of_vars^2). But here we have stricter requirements. So, can you share an idea of how to solve it?

ayrton_mercado + 0 comments This link lists the environments used for running solutions. Do these apply to contests as well? (I assume so, but would like to confirm either way)

Niharikasaitana + 0 comments can anyone pls explain me the qustion

dixitsandeep + 0 comments what is criteria for difference in ranking when score is equal? Why not differentiate in score itself?

zedonbiz + 0 comments Can we use a block(configuaration) in layer(i), in another layer that is not immediate to layer(i).

ANUJKUMARNIRANJ1 + 1 comment i am not getting the logic. how to solve it

edqm9gghx7 + 1 comment break the problem into subproblems, solve the individual subproblems, and combine the partial solutions to get the whole solution. what programming techniques would apply?

vikasjat123 + 0 comments [deleted]

satyamjay030 + 2 comments What maybe be the reason for my code to fail for some inputs and work fine with other?

edqm9gghx7 + 0 comments Obviously you have bugs in your code. Use the custom inputs feature to test your code with multiple inputs and see if you can find cases where the answer is wrong. Then debug your code.

edqm9gghx7 + 0 comments For instance you may be using the wrong data structure -- the data structure you're using may work properly for small inputs, but when you're given large inputs it may use more memory than is available.

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