Class Solution


  • public class Solution
    extends Object
    670 - Maximum Swap.

    Medium

    You are given an integer num. You can swap two digits at most once to get the maximum valued number.

    Return the maximum valued number you can get.

    Example 1:

    Input: num = 2736

    Output: 7236

    Explanation: Swap the number 2 and the number 7.

    Example 2:

    Input: num = 9973

    Output: 9973

    Explanation: No swap.

    Constraints:

    • 0 <= num <= 108
    • Constructor Detail

      • Solution

        public Solution()
    • Method Detail

      • maximumSwap

        public int maximumSwap​(int num)