A scanner that can determine if a given (UPC-A) code is a valid bar code.
published version 1.0.1, 6 years agoSolve the problem of counting derangements, written as !n
published version 1.0.1, 6 years ago
A scanner that can determine if a given (UPC-A) code is a valid bar code.
Solve the problem of counting derangements, written as !n