Friday, September 25, 2020

How to become a great programmer

Find how to become a great programmer https://qr.ae/pNo38T 

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Is the number of all INTO functions from the set {1, 2, 3, ..... n} to itself equal to all number of MANY to ONE fuctions?

Yes,  t he number of all into functions from the set {1, 2, 3, .... n} to itself is exactly equal to the number of many-to-one functions ...