Given n people, everyone must have pictures taken with everyone, each photo includes only two persons, please count the total number of pictures.
Project Euler: Problem 8, Find largest product in a large string of numbers
Wrapping the Tower of Pisa
Element by element multiplication of two vectors
Create a Matrix of Zeros
Test Problem; Create a 5x5 array containing all ones
give nth decimal place of pi
cos for boss?
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