Solution: Word Pattern
Explore how to use hash maps to solve the word pattern problem by establishing a one-to-one mapping between pattern characters and words. Understand the algorithm that checks correspondence, handles pattern constraints, and ensures consistent mapping to confidently apply this 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
patternmust map to exactly one unique word ins.Each word in
smust map to exactly one unique character inpattern.No ...