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Grokking the Coding Interview Patterns in Python

Partition Labels

Explore the Partition Labels problem, where you'll learn to divide a string so each character appears in only one partition. This lesson helps you apply the two-pointer technique to efficiently solve string partitioning problems common in coding interviews.

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Statement

You are given a string s. Your task is to divide the string into as many parts as possible such that each letter appears in at most one part.

In other words, no character should occur in more than one partition. After concatenating all parts in order, the result should be the original string s.

For example, given s = "bcbcdd", a valid partition is ["bcbc", "dd"]. However, partitions ...