9.py

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76ms
class Solution:
    def isPalindrome(self, x: int) -> bool:
        str_x=str(x)
        return str_x==str_x[::-1]
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80ms
class Solution:
    def isPalindrome(self, x: int) -> bool:
        x = str(x)
        if len(x) % 2 == 0:
            if x[:len(x)//2] == x[len(x)//2:][::-1]:
                return True
            else:
                return False
        elif x[len(x)//2 + 1:] == x[:len(x)//2][::-1]:
            return True
        else:
            return False
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84ms
class Solution:
    def isPalindrome(self, x: int) -> bool:
        if x < 0:
            return False
        strValue = list(str(x))
        left, right = 0, len(strValue) - 1
        while left <= right:
            if strValue[left] != strValue[right]:
                return False
            left += 1
            right -= 1
        return True
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12392 kb
class Solution:
    def isPalindrome(self, x: 'int') -> 'bool':
        if x < 0:
            return False
        elif x == 0:
            return True
        elif x%10 == 0:
            return False
        else:
            
            def rev(x):
                reverse = 0
                temp = x
                while temp != 0:
                    reverse = reverse*10 + temp%10
                    temp = temp//10
                return reverse

            print(x)
            print(rev(x))
            return x == rev(x)            
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12416 kb
class Solution:
    def isPalindrome(self, x: 'int') -> 'bool':
        string_x = str(x)
        if string_x[0] == '-':
            return False
        else:
            reversed_string_x = string_x[::-1]
        reversed_x = int(reversed_string_x)
        
        return x == reversed_x
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