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Grokking the Coding Interview Patterns in C#

Reorganize String

Explore methods to rearrange a string so that no two adjacent characters are identical. This lesson helps you understand the problem constraints and apply algorithms effectively to find valid character arrangements or determine when it's impossible.

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Statement

Given a string, str, rearrange it so that any two adjacent characters are not the same. If such a reorganization of the characters is possible, output any possible valid arrangement. Otherwise, return an empty string.

Constraints:

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