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Grokking the Coding Interview Patterns in Go

Solution: Word Pattern

Explore how to verify if a string follows a given word pattern by implementing a hash map based algorithm. Understand the one-to-one mapping between pattern characters and string words, and learn to efficiently detect inconsistencies to solve pattern matching problems in coding interviews.

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Statement

You are given a pattern and a string, s. You need to determine whether the string s follows the same pattern.

A string s is said to follow a pattern if a bijection exists between a character in the pattern and a non-empty word in s.

  • Each character in the pattern must map to exactly one unique word in s.

  • Each word in s must map to exactly one unique character in pattern.

  • No ...