Python simple solution without using join and split

  • 0

    Wondering is this O(1) space or not? (or I have to build a reverse function?)

    class Solution:
        # @param s, a list of 1 length strings, e.g., s = ['h','e','l','l','o']
        # @return nothing
        def reverseWords(self, s):
            st = 0
            for i in range(len(s)):
                if s[i]==" ":
                    st = i+1
            s[:] = s[::-1]

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