Given n people, everyone must have pictures taken with everyone, each photo includes only two persons, please count the total number of pictures.
Rotate a Matrix
Find a subset that divides the vector into equal halves
Who is the smartest MATLAB programmer?
Area of a triangle
Generate one sample of uniform random numbers between -pi and +pi
Filter AC, pass DC
Distance walked 1D
An asteroid and a spacecraft
Basic electricity in a dry situation
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