Given n people, everyone must have pictures taken with everyone, each photo includes only two persons, please count the total number of pictures.
Word Counting and Indexing
Rotate a Matrix
Duplicate a character
Do Fast Fourier Transformation
07 - Common functions and indexing 4
A Simple Tide Gauge with MATLAB
Calories in a slice of pizza?
How many palindromes?
surface of a spherical planet
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