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Java-based LeetCode algorithm problem solutions, regularly updated

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767\. Reorganize String

Medium

Given a string `s`, rearrange the characters of `s` so that any two adjacent characters are not the same.

Return _any possible rearrangement of_ `s` _or return_ `""` _if not possible_.

**Example 1:**

**Input:** s = "aab"

**Output:** "aba"

**Example 2:**

**Input:** s = "aaab"

**Output:** ""

**Constraints:**

*   `1 <= s.length <= 500`
*   `s` consists of lowercase English letters.