Given n people, everyone must have pictures taken with everyone, each photo includes only two persons, please count the total number of pictures.
pressure to dB?
Sum of diagonal of a square matrix
03 - Matrix Variables 4
Matlab Basics II - Count rows in a matrix
Generate one sample of uniform random numbers between -pi and +pi
Compress strings (not springs)
count any radix?
Minimum possible M of the maximum side of a triangle of given area A.
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