Minimum Add to Make Parentheses Valid Problem

Minimum String Length After Removing Substrings Problem

Sentence Similarity

Sentence Similarity 2 - with transitive word pairs

Sentence Similarity 3 - By Insertion

Make Sum Divisible by P

Sum of Prefix Scores of Strings

Find the Length of the Longest Common Prefix Problem

Extra Characters in a String Problem

Uncommon Words from Two Sentences Problem

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