Problem: Reverse Integer

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 $[−2^{31},2^{31}−1]$ , return $0$ .

Assume the environment does not support storing 64-bit integers (signed or unsigned).

Constraints:

$-2^{31} \leq$ num $\leq2^{31}-1$

Examples

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Problem: Reverse Integer

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 $[−2^{31},2^{31}−1]$ , return $0$ .

Assume the environment does not support storing 64-bit integers (signed or unsigned).

Constraints:

$-2^{31} \leq$ num $\leq2^{31}-1$