Leetcode Reverse Integer
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Reverse digits of an integer.
Example1: x = 123, return 321
Example2: x = -123, return -321
class Solution: def reverse(self, x): sum = 0; cnt = 1; if x < 0: cnt = -1; x = -x; while x > 0: sum *= 10; sum += x%10; x = x/10; sum *= cnt; if sum > 0x7fffffff: sum = 0; if sum < -2 ** 32: sum = 0; return sum;
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