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Prime Path Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 15325 Accepted: 8634 Description The ministers of the cabinet were quite upset b 阅读全文
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Travel Time Limit: 1500/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 2404 Accepted Submission(s): 842 Problem 阅读全文
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树上战争 Time Limit: 10000/4000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 799 Accepted Submission(s): 436 Problem Des 阅读全文
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More is better Time Limit: 5000/1000 MS (Java/Others) Memory Limit: 327680/102400 K (Java/Others)Total Submission(s): 21167 Accepted Submission(s): 77 阅读全文
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How Many Tables Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 20974 Accepted Submission(s): 103 阅读全文
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Wireless Network Time Limit: 10000MS Memory Limit: 65536K Total Submissions: 20724 Accepted: 8711 Description An earthquake takes place in Southeast A 阅读全文
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小希的迷宫 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 38870 Accepted Submission(s): 11921 Problem 阅读全文
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Find them, Catch them Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 38668 Accepted: 11905 Description The police office in Tadu City deci 阅读全文
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使用并查集查找时，如果查找次数很多，那么使用朴素版的查找方式肯定要超时。比如，有一百万个元素，每次都从第一百万个开始找，这样一次运算就是10^6，如果程序要求查找个一千万次，这样下来就是10^13,肯定要出问题的。 这是朴素查找的代码,适合数据量不大的情况： int findx(int x){ in 阅读全文
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Sunscreen Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 5898 Accepted: 2068 Description To avoid unsightly burns while tanning, each of t 阅读全文
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最大连续子序列 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 25029 Accepted Submission(s): 11221 Probl 阅读全文
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Robberies Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 18013 Accepted Submission(s): 6653 Prob 阅读全文
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Sumsets Time Limit: 2000MS Memory Limit: 200000K Total Submissions: 15293 Accepted: 6073 Description Farmer John commanded his cows to search for diff 阅读全文
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Apple Catching Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 9978 Accepted: 4839 Description It is a little known fact that cows love app 阅读全文
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Stripies Time Limit: 1000MS Memory Limit: 30000K Total Submissions: 14151 Accepted: 6628 Description Our chemical biologists have invented a new very 阅读全文
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Yogurt factory Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 8205 Accepted: 4197 Description The cows have purchased a yogurt factory tha 阅读全文
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Stall Reservations Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 4434 Accepted: 1588 Special Judge Description Oh those picky N (1 <= N < 阅读全文
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Radar Installation Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 68578 Accepted: 15368 Description Assume the coasting is an infinite str 阅读全文
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Cleaning Shifts Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 15143 Accepted: 3875 Description Farmer John is assigning some of his N (1 阅读全文
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本章通过演示如何使用mysql客户程序创造和使用一个简单的数据库，提供一个MySQL的入门教程。mysql（有时称为“终端监视器”或只是“监视”)是一个交互式程序，允许你连接一个MySQL服务器，运行查询并察看结果。mysql可以用于批模式：你预先把查询放在一个文件中，然后告诉mysql执行文件的内... 阅读全文