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7. Reverse Integer (Easy)
Given a signed 32-bit integer x, return x with its digits reversed. If reversing x causes the value to go outside the signed 32-bit integer range [-231, 231 - 1], then return 0.
Assume the environment does not allow you to store 64-bit integers (signed or unsigned).
Example 1:
Input: x = 123 Output: 321
Example 2:
Input: x = -123 Output: -321
Example 3:
Input: x = 120 Output: 21
Example 4:
Input: x = 0 Output: 0
Constraints:
-231 <= x <= 231 - 1
Related Topics
[Math]
Similar Questions
- String to Integer (atoi) (Medium)
- Reverse Bits (Easy)
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