Given n people, everyone must have pictures taken with everyone, each photo includes only two persons, please count the total number of pictures.
Renaming a field in a structure array
Determine if a Given Number is a Triangle Number
Find the sum of the elements in the "second" diagonal
Column norms of a matrix
Will there be a new leader?
Multiply to the limit?
Calories in a slice of pizza?
Find the outlier in a set of samples
Vectorizing, too easy or too hard?
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