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As an eligible Ingress Resistance Agent you should know your power source, the Exotic Matter. We call it XM, which is the driving force behind all of 阅读全文
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Given n distinct points on a plane, your task is to find the triangle that have the maximum area, whose vertices are from the given points. Input The 阅读全文
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题面Bessie, Farmer John’s prize cow, has just won first place in a bovine beauty contest, earning the title ‘Miss Cow World’. As a result, Bessie will m 阅读全文
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Problem Description You are given a string S consisting of only lowercase english letters and some queries.For each query (l,r,k), please output the s 阅读全文
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There are nn pirate chests buried in Byteland, labeled by 1,2,…,n1,2,…,n. The ii-th chest's location is (xi,yi)(xi,yi), and its value is wiwi, wiwi ca 阅读全文