For given input matrix a, rotate it by 90 degrees and find the sum of the diagonals.
1 2 3 4
5 6 7 8
8 10 12 -2
-1 -3 -5 -7
Distance walked 1D
Convert a vector into a number
Sum the numbers on the main diagonal
Determine the square root
Matlab Basics II - Max & Index of Max
Day counter function
Repetition of matrices
count upper and lower case characters
Sum of unique multiples of 3 and 5
Remove white spaces at the end of the input string
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