Given two vectors of the same size, repeat the values of the first vector the number of times given in a second vector. For example:
x1=[1 2 3 4 5 6];
x2=[2 2 1 1 2 2];
out=[1 1 2 2 3 4 5 5 6 6];
So many choices
Divide by 4
Prime number removal
Area of a Square
Divide the Least Common Multiple by the Greatest Common Divisor of two numbers
4 Digit Sequence Repetitions
Union Jack Matrix
"Bubblegum, Bubblegum, in a dish; How many pieces do you wish?"
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