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Grokking the Coding Interview Patterns in Go

Solution: Reverse Integer

Explore how to reverse a 32-bit signed integer without exceeding integer limits. Learn to extract and append digits safely, detect overflow, and handle negative inputs. Understand the time and space complexity of the solution for coding interview success.

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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] ...