Problem with test 4
I am not able to submit a solution. I get error "There was an issue submitting your solution. Remove inappropriate content. For guidelines, see About Cody"
Swap the first and last columns
Most nonzero elements in row
Similar Triangles - find the height of the tree
Getting the absolute index from a matrix
Matrix multiplication across rows
Number of cyles and fixed points in a permutation
Disjunctive Normal Form
Game of Nim
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