In a matrix, A = [1,2;3,4]
raise the power of each element like: 1^1+2^3+3^2+4^4 and add it all to produce the result 274
Project Euler: Problem 10, Sum of Primes
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Find the product of a Vector
Calculate the CIRCUMFERENCE of circle.
Sum of unique multiples of 3 and 5
Remove white spaces at the end of the input string
Basics: counting digits of a number irrespective of the sign
Repetition of matrices
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