input = 123456789, output = 1+2+3+4+5+6+7+8+9 = 45
Does the size of the solution include the size of functions that have been called?
Increment a number, given its digits
Make one big string out of two smaller strings
Remove NaN ?
Is the input divisible by 3?
Matlab Basics - Create a row vector
determine the sum of the squares
concatenate the elements
No more zeros
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