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Grokking the Coding Interview Patterns in Go

Solution: Reverse Integer

Understand how to reverse a 32-bit signed integer digit by digit without causing overflow. This lesson covers checking integer limits and handling negatives, offering a practical approach to solving this common math coding challenge.

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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] ...