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Lesha plays the recently published new version of the legendary game hacknet. In this version character skill mechanism was introduced. Now, each play 阅读全文
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Problem Description We are going to distribute apples to n children. Every child has his/her desired number of apple A1,A2,A3,⋯An , Ai indicates the i 阅读全文
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Description A permutation of length n is an array containing each integer from 1 to n exactly once. For example, q = [4, 5, 1, 2, 3] is a permutation. 阅读全文
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Meanwhile, the kingdom of K is getting ready for the marriage of the King's daughter. However, in order not to lose face in front of the relatives, th 阅读全文