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It is well known that AekdyCoin is good at string problems as well as number theory problems. When given a string s, we can write down all the non-emp 阅读全文
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链接：https://ac.nowcoder.com/acm/contest/882/F来源：牛客网 Given 2N people, you need to assign each of them into either red team or white team such that each 阅读全文
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The regime of a small but wealthy dictatorship has been abruptly overthrown by an unexpected rebel-lion. Because of the enormous disturbances this is 阅读全文
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You, the head of Department of Security, recently received a top-secret information that a group of terrorists is planning to transport some WMD 1 fro 阅读全文
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链接：https://ac.nowcoder.com/acm/contest/881/A来源：牛客网 Two arrays u and v each with m distinct elements are called equivalent if and only if RMQ(u,l,r)=RM 阅读全文
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As two icons of the Great Depression, Bonnie and Clyde represent the ultimate criminal couple. Stories were written, headlines captured, and films wer 阅读全文
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Suppose that G is an undirected graph, and the value of stab is defined as follows: Among the expression,G -i, -j is the remainder after removing node 阅读全文
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Given a sequence, {A1, A2, ..., An} which is guaranteed A1 > A2, ..., An, you are to cut it into three sub-sequences and reverse them separately to fo 阅读全文
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Your task is, given an integer N, to make a palidrome (word that reads the same when you reverse it) of length at least N. Any palindrome will do. Eas 阅读全文
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You are the King of Byteland. Your agents have just intercepted a batch of encrypted enemy messages concerning the date of the planned attack on your 阅读全文