Package g0601_0700.s0670_maximum_swap

Class Solution

java.lang.Object
g0601_0700.s0670_maximum_swap.Solution
public class Solution extends java.lang.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 Summary

    Constructors
    Constructor
    Description
    Solution()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    int
    maximumSwap(int num)
     

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Constructor Details

    • Solution

      public Solution()

  • Method Details

    • maximumSwap

      public int maximumSwap(int num)