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有 N" role="presentation" style="position: relative;">NN 个学生合影，站成左端对齐的 k" role="presentation" style="position: relative;">kk 排，每排分别有 N1,N2,…,Nk" 阅读全文
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Language:Remmarguts' Date Time Limit: 4000MSMemory Limit: 65536KTotal Submissions: 44482Accepted: 12303Description"Good man never makes girls wait or 阅读全文
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Extreme Subtraction time limit per test2 seconds memory limit per test256 megabytes You are given an array a of 𝑛 positive integers. You can use the 阅读全文