Class Solution


  • public class Solution
    extends Object
    2119 - A Number After a Double Reversal.

    Easy

    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, reverse num to get reversed1, then reverse reversed1 to get reversed2. Return true if reversed2 equals num. 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
    • Constructor Detail

      • Solution

        public Solution()
    • Method Detail

      • isSameAfterReversals

        public boolean isSameAfterReversals​(int num)