If a number (n) is provided as an input, find the square of the sum of the digits of the number.
If n = 21, the answer will be square of (2 + 1) = 9
what's the answer for (-4+3+1)??? last time I checked, the answer was zero!!!!
-4 + 3 +1=0 right. I don't remember you saying the absolute value in the instructions.
Project Euler: Problem 7, Nth prime
Back to basics 21 - Matrix replicating
Test if two numbers have the same digits
Reverse the elements of an array
Sum the 'edge' values of a matrix
Find the dimensions of a matrix
Reverse a matrix
Find the area of the four walls
Create the following sequence : 0 1 1 4 9 25 64 169 ...
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