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Leetcode Problem 734. Sentence Similarity

734. Sentence Similarity

Leetcode Solutions

Key approach of the solution

Algorithm

  1. If sentence1 and sentence2 have different lengths, return false.
  2. Initialize a hash map wordToSimilarWords.
  3. For each pair [word1, word2] in similarPairs, add word2 to wordToSimilarWords[word1] and word1 to wordToSimilarWords[word2].
  4. Iterate over the words in sentence1 using index i:
    • If sentence1[i] equals sentence2[i], continue to the next word.
    • If sentence2[i] is in the set wordToSimilarWords[sentence1[i]], continue to the next word.
    • Otherwise, return false.
  5. If all words have been checked and are similar, return true.
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Alternative approach using brute force

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