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题号 状态 题目名称 通过率
CF1618C Paint the Array
CF1618D Array and Operations
CF1618E Singers' Tour
CF1618F Reverse
CF1619A Square String?
CF1619B Squares and Cubes
CF1619C Wrong Addition
CF1619D New Year's Problem
CF1619E MEX and Increments
CF1619F Let's Play the Hat?
CF1619G Unusual Minesweeper
CF1620A Equal or Not Equal
CF1620B Triangles on a Rectangle
CF1620C BA-String
CF1620D Exact Change
CF1620F Bipartite Array
CF1620G Subsequences Galore
CF1621A Stable Arrangement of Rooks
CF1621B Integers Shop
CF1621C Hidden Permutations