Leetcode Problem 500. Keyboard Row

500. Keyboard Row

Leetcode Solutions

Using Set Intersection to Find One Row Words

  1. Define three sets representing the three rows of the American keyboard.
  2. Iterate over each word in the input list.
  3. Convert the word to lowercase and then to a set of characters.
  4. Check if the character set of the word intersects with only one of the keyboard row sets.
  5. If the intersection condition is met, add the original word to the result list.
  6. Return the result list after processing all words.
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Character Mapping to Keyboard Rows

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