Word Pattern Match: True If S Follows Pattern.
Word Pattern" problem: Given a pattern string & a string s, return true if each char maps to exactly one word & vice versa. Use two hash maps to ensure consistency. Time complexity: O(n), space complexity: O(1).
Top Interview 150 The Word Pattern problem tests your ability to handle bijective mappings between characters and words. Let’s solve LeetCode 290: Word Pattern step by step. 🚀 Problem Description Given: A pattern string containing only lowercase letters. A string s consisting of words separated by spaces. Return true if s follows the same pattern as pattern, i.e.: Each character in pattern maps to exactly one word in s. Each word in s maps to exactly one character in pattern. 💡 Examples Example 1 Input: pattern = "abba", s = "dog cat cat dog" Output: true Expla...