README.md

2119. A Number After a Double Reversal

Reversing an integer means to reverse all its digits.

• For example, reversing 2021 gives 1202. Reversing 12300 gives 321 as the leading zeros are not retained.

Given an integer num, reversenum to get reversed1, then reversereversed1 to get reversed2. Return trueifreversed2equalsnum. Otherwise return false.

Example 1:

Input: num = 526 Output: true Explanation: Reverse num to get 625, then reverse 625 to get 526, which equals num. 

Example 2:

Input: num = 1800 Output: false Explanation: Reverse num to get 81, then reverse 81 to get 18, which does not equal num. 

Example 3:

Input: num = 0 Output: true Explanation: Reverse num to get 0, then reverse 0 to get 0, which equals num. 

Constraints:

• 0 <= num <= 106

Solutions (Rust)

1. Solution

implSolution{pubfnis_same_after_reversals(num:i32) -> bool{ num == 0 || num % 10 != 0}}