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Have you learned something about segment tree? If not, don’t worry, I will explain it for you.Segment Tree is a kind of binary tree, it can be defined... 阅读全文
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H -Solve this interesting problemTime Limit:1000MSMemory Limit:32768KB64bit IO Format:%I64d & %I64uSubmitStatusPracticeHDU 5323Appoint description:Des... 阅读全文
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D - Painter Time Limit:1000MS Memory Limit:65536KB 64bit IO Format:%I64d & %I64u SubmitStatusPracticeHDU 5319 Appoint description: De... 阅读全文
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K -WorkTime Limit:1000MSMemory Limit:32768KB64bit IO Format:%I64d & %I64uSubmitStatusPracticeHDU 5326Appoint description:DescriptionIt’s an interestin... 阅读全文
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Drainage Ditches Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 62016 Accepted: 23808 Description Every time it rains ... 阅读全文
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Power Network Time Limit: 2000MS Memory Limit: 32768K Total Submissions: 24867 Accepted: 12958Description A power network consists... 阅读全文