I like your test suite. Using large X forces a better solution.
Thank you Jonathan. I have discovered this philosophy thanks to James and @bmtran problems.
is there any mathematical algorithm that i dont know about to calculate such big range(10^13)?
i minimized my code as best as i can.still fails for such large number.
Most nonzero elements in row
Check if sorted
Triangle Numbers Below N
Create an n-by-n null matrix and fill with ones certain positions
Find the sides of an isosceles triangle when given its area and height from its base to apex
Numbers spiral diagonals (Part 2)
Find indices of diagonal elements
Getting the indices from a matrice
Magic is simple (for beginners)
Permute diagonal and antidiagonal
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