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Grokking the Coding Interview Patterns in Python

Solution: Reverse Integer

Explore how to reverse the digits of a 32-bit signed integer safely while ensuring the result stays within the valid integer range. Learn to detect and handle overflow conditions and write efficient code to manipulate integer digits under strict constraints.

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Statement

Given a 32-bit signed integer num, reverse its digits and return the result. If the reversed number exceeds the 32-bit signed integer range [−231,231−1][−2^{31},2^{31}−1] ...