In a array x, count the number of times the number n appears in x.
for example: x = [1 2 3 4 3 2 1 2] and n = 2 the answer should be 3, because 2 appears 3 times in x
Number of 1s in the Binary Representation of a Number
Whether the input is vector?
Max of a Vector
Values in Array
X plus binary inverted x
How many complete pizzas (number 2)
Odd times even numbers in a matrix
Second smallest number
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