Generate a vector like 1,2,2,3,3,3,4,4,4,4
Create incrementing array
Skip by a multiple
Times 3 problem
Draw a 'X'!
Perimeter of a semicircle
Check if there are white spaces in the input string
Basics: counting digits of a number irrespective of the sign
find number of times of occurrence of the most frequent number in a row vector
Sum of unique multiples of 3 and 5
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