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Bubble Sort Problem Description P is a permutation of the integers from 1 to N(index starting from 1).Here is the code of Bubble Sort in C++. for(int 阅读全文
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E - The Values You Can Make Description Pari wants to buy an expensive chocolate from Arya. She has n coins, the value of the i-th coin is ci. The pri 阅读全文
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D - Remainders Game Description Today Pari and Arya are playing a game called Remainders. Pari chooses two positive integer x and k, and tells Arya k 阅读全文
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C - NP-Hard Problem Description Recently, Pari and Arya did some research about NP-Hard problems and they found the minimum vertex cover problem very 阅读全文