Reverse Integer without using long long
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Medium•math•Expected: O(log n) time, O(1) space
Problem
Given a signed 32-bit integer, return its digits reversed, returning 0 if the result overflows.
Example 1:
Input: x = 123
Output: 321
Example 2:
Input: x = -123
Output: -321
Example 3:
Input: x = 1534236469
Output: 0
Explanation: Reversed value overflows 32-bit integer, so return 0.
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