Write a function that will return same output as diag(spiral(n)). The only exception is that spiral and diag functions are not allowed in your function. Also, loops are not allowed.
Increment a number, given its digits
486 Solvers
Choose the best fitting dominoes
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228 Solvers
Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero)
114 Solvers
Matrix of almost all zeros, except for main diagonal
118 Solvers
Solution 475843
This really violates the spirit of the problem.
I know... :-p
it was quick and dirty. I will come again to solve it right. ;-)