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Grokking the Coding Interview Patterns in C++

Word Pattern

Explore how to determine if a string follows the same pattern as a given character sequence by implementing a bijection mapping between pattern characters and words. Learn to use hash maps efficiently to solve this problem in C++ and practice your coding skills with hands-on examples.

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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 two characters map to the same word, and no two words map to the same character.

Constraints:

    ...