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题号 状态 题目名称 通过率
CF283D Cows and Cool Sequences
CF283E Cow Tennis Tournament
CF284A Cows and Primitive Roots
CF284B Cows and Poker Game
CF285A Slightly Decreasing Permutations
CF285B Find Marble
CF285C Building Permutation
CF285E Positions in Permutations
CF286A Lucky Permutation
CF286B Shifting
CF286C Main Sequence
CF286D Tourists
CF286E Ladies' Shop
CF287A IQ Test
CF287B Pipeline
CF288A Polo the Penguin and Strings
CF288B Polo the Penguin and Houses
CF288C Polo the Penguin and XOR operation
CF288D Polo the Penguin and Trees
CF288E Polo the Penguin and Lucky Numbers