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Grokking the Coding Interview Patterns in C#

Longest Happy String

Explore how to create the longest happy string meeting specific character constraints using the heaps pattern. This lesson helps you understand the problem constraints and apply efficient solutions relevant for coding interviews.

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Statement

A string is considered happy if it meets the following conditions:

  1. It comprises only the characters 'a', 'b', and 'c'.

  2. It does not contain the substrings "aaa", "bbb", or "ccc".

  3. The total occurrences of:

    1. The character 'a' does not exceed a.

    2. The character 'b' does not exceed b.

    3. The character 'c' does not exceed c.

You are given three integers, a, b, and c, representing the maximum ...