Minimum Number of Valid Strings to Form Target II

Number of Subarrays That Match a Pattern I

Sum of Scores of Built Strings

Equalize Strings by Adding or Removing Characters at Ends

Find Pattern in Infinite Stream I

Find Pattern in Infinite Stream II

Number of Distinct Substrings in a String

Strings Differ by One Character

Number of Distinct Islands II

Count Unguarded Cells in the Grid

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