Class Solution

java.lang.Object
g0601_0700.s0670_maximum_swap.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 Details

    • Solution

      public Solution()
  • Method Details

    • maximumSwap

      public int maximumSwap(int num)