[算法竞赛入门经典]Message Decoding,ACM/ICPC World Finals 1991,UVa213
DescriptionSomemessageencodingschemesrequirethatanencodedmessagebesentintwoparts.Thefirstpart,calledtheheader,containsthecharactersofthemessage.Thesecondpartcontainsapatternthatrepresentsthemessage.Yo