Fastest solution in python with regular expression


  • 1
    R
    class Solution:
        # @return a string
        def countAndSay(self,n):
            p = re.compile(r'(.)\1*')
            now = '1'
            for i in xrange(n-1):
                prev = now
                now = "".join( iter(  str(m.end()-m.start())+prev[m.start()] for m in re.finditer(p, prev)  ))
            return now

  • 0
    S

    Hi..Would you mind sharing the run time for this in terms of ms.


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