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1803 志愿者招募2008年NOI全国竞赛时间限制: 2 s空间限制: 128000 KB题目等级 : 大师 Master题目描述Description申奥成功后，布布经过不懈努力，终于成为奥组委下属公司人力资源部门的 主管。布布刚上任就遇到了一个难题：为即将启动的奥运新项目招募一批短期志 愿者。... 阅读全文
posted @ 2014-10-15 22:28
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D -DominationTime Limit:8000MSMemory Limit:131072KB64bit IO Format:%lld & %lluDescriptionEdward is the headmaster of Marjar University. He is enthusia... 阅读全文
posted @ 2014-10-14 23:05
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学渣乱搞系列之dp斜率优化 By 狂徒归来 貌似dp的斜率优化一直很难搞啊，尤其是像我这种数学很挫的学渣，压根不懂什么凸包，什么上凸下凸的，哎。。。说多了都是泪，跟wdd讨论了下，得出一些结论。本文很大部分参考了大神Accept的文章，不过此神貌似早已绝迹江湖，这篇文章写得好，也... 阅读全文
posted @ 2014-10-11 22:26
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D -KingdomsTime Limit:1000MSMemory Limit:0KB64bit IO Format:%lld & %lluA kingdom has n cities numbered 1 to n, and some bidirectional roads connecting... 阅读全文
posted @ 2014-10-11 10:59
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E -Funny Car RacingTime Limit:1000MSMemory Limit:0KB64bit IO Format:%lld & %lluThere is a funny car racing in a city with n junctions and m directed r... 阅读全文
posted @ 2014-10-09 22:11
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MatrixTime Limit: 3000msMemory Limit: 65536KBThis problem will be judged onPKU. Original ID:215564-bit integer IO format:%lld Java class name:MainGive... 阅读全文
posted @ 2014-10-09 21:33
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I Hate ItTime Limit: 3000msMemory Limit: 32768KBThis problem will be judged onHDU. Original ID:175464-bit integer IO format:%I64d Java class name:Main... 阅读全文
posted @ 2014-10-07 20:31
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敌兵布阵Time Limit: 1000msMemory Limit: 32768KBThis problem will be judged onHDU. Original ID:116664-bit integer IO format:%I64d Java class name:MainC国的死对... 阅读全文
posted @ 2014-10-07 20:09
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A-Unique AttackTime Limit:6000/3000MS (Java/Others)Memory Limit:128000/64000KB (Java/Others)Problem Description N supercomputers in the United State... 阅读全文
posted @ 2014-10-07 16:55
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Nice SequenceTime Limit:12000/6000MS (Java/Others)Memory Limit:128000/64000KB (Java/Others)Problem Description Let us consider the sequence a1,a2,...... 阅读全文
posted @ 2014-10-06 22:12
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