#556

Next Greater Element III

expert · 1070 · lc medium +32 · verified · 35.2% accepted · 3,932 likes · top 13%

Description

Given a positive integer n, find the smallest integer that uses exactly the same set of digits as n but has a greater value. Return -1 if no such integer exists, or if the answer would exceed the 32-bit signed integer range.

Example 1:

Input: n = 12

Output: 21

Example 2:

Input: n = 21

Output: -1

Code

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class Solution:
    def nextGreaterElement(self, n: int) -> int:

class Solution:
    def nextGreaterElement(self, n: int) -> int: