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Grokking the Coding Interview Patterns in JavaScript

Solution: Reverse Integer

Explore how to solve the Reverse Integer problem by processing digits within 32-bit signed integer limits. Learn to extract, reverse, and validate each digit while avoiding overflow. Understand the step-by-step approach and time-space complexity to confidently implement the solution in JavaScript.

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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], return ...