3 ms·
a b c where a+b=c is not a regular language. What exactly is the constraint on this challenge?
by ouid 7y ago
a b c where a+b=c is not a regular language. What exactly is the constraint on this challenge?
- lifthrasiir 7y agoWhatever the PCRE supports. This essentially means that you can have at least a context-sensitive grammar, which I think a+b=c indeed is.