If there are white spaces in the input string, output=1 else 0
First non-zero element in each column
Back to basics 21 - Matrix replicating
Vectorize the digits of an Integer
Area of an equilateral triangle
Change matrix to vector
Calculating the total earnings of a factory
Capitalized string operations
Product of all elements in an array
Basics: counting digits of a number irrespective of the sign
convert the number to binary format & count digits
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