Integer Sequence Dividing 寒假集訓思維題 找規律

1. Integer Sequence Dividing 寒假集訓思維題 找規律 ##鏈接: CodeForces - 1102A ##題目: A. Integer Sequence Dividing You are given an integer sequence 1,2,…,nYou have to divide it into two sets A and B in such a way
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