0852-Peak-Index-in-a-Mountain-Array 0853-Car-Fleet 0854-K-Similar-Strings 0855-Exam-Room 0856-Score-of-Parentheses 0857-Minimum-Cost-to-Hire-K-Workers 0858-Mirror-Reflection 0859-Buddy-Strings 0860-Lemonade-Change 0861-Score-After-Flipping-Matrix 0863-All-Nodes-Distance-K-in-Binary-...