Mathematics

A method to mock a new instance in the class is using the powermockito. Powermockito has a function whenNew. This one can be used to solve this kind of problem.

Submitted by Fenghong Zhang on Fri, 12/08/2017 - 07:19
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How to mock a new instance

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One approach is to notice - after some trial and error - that the number of paths at each node is represented by the equivalent entry in Pascal's triangle. So in general for a NxN grid one would construct Pascal's triangle up to height 2N and take the entry in the center position of the last row.

Submitted by Lukas Wolfsberger on Sun, 11/12/2017 - 10:26
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Calculate lattice paths

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