Package g0501_0600.s0556_next_greater_element_iii

Class Solution

java.lang.Object
g0501_0600.s0556_next_greater_element_iii.Solution
public class Solution extends java.lang.Object
556 - Next Greater Element III.

Medium

Given a positive integer n, find the smallest integer which has exactly the same digits existing in the integer n and is greater in value than n. If no such positive integer exists, return -1.

Note that the returned integer should fit in 32-bit integer , if there is a valid answer but it does not fit in 32-bit integer , return -1.

Example 1:

Input: n = 12

Output: 21

Example 2:

Input: n = 21

Output: -1

Constraints:

  • 1 <= n <= 231 - 1

  • Constructor Summary

    Constructors
    Constructor
    Description
    Solution()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    int
    nextGreaterElement(int n)
     

    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

    • nextGreaterElement

      public int nextGreaterElement(int n)