README_EN.md

670. Maximum Swap

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Description

Given a non-negative integer, you could swap two digits at most once to get the maximum valued number. Return the maximum valued number you could get.

Example 1:

Input: 2736

Output: 7236

Explanation: Swap the number 2 and the number 7.

Example 2:

Input: 9973

Output: 9973

Explanation: No swap.

Note:

1. The given number is in the range [0, 10⁸]

Solutions

Python3

Java

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