Python solution


  • 4
    Y
    class Solution(object):
        def countSubstrings(self, s):
            """
            :type s: str
            :rtype: int
            """
            res = 0
            for i in range(len(s)):
                for j in range(i, len(s)):
                    if s[i:j+1] == s[i:j+1][::-1]:
                        res += 1
            return res
    

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