Add input validation to longest palindromic subsequence by MayankSharma-2812 · Pull Request #1879 · TheAlgorithms/JavaScript

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- Coverage   85.91%   85.82%   -0.10%     
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  Files         379      379              
  Lines       19778    19845      +67     
  Branches     3015     3049      +34     
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+ Hits        16993    17032      +39     
- Misses       2785     2813      +28