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原题如下： 4 Values whose Sum is 0 Time Limit: 15000MS Memory Limit: 228000K Total Submissions: 29246 Accepted: 8887 Case Time Limit: 5000MS Description Th 阅读全文
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原题如下： Physics Experiment Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 3583 Accepted: 1275 Special Judge Description Simon is doing a phy 阅读全文
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集合{0,1,…,n-1}的子集S可以编码成整数：f(S)=∑2i，像这样表示之后，一些集合运算可以对应地写成如下方式： ①空集Ø：……………………………………………0 ②只含有1个元素i的集合{i}…………………………1<<i ③含有全部n个元素的集合…………………………(1<<n)-1 ④判断第 阅读全文
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原题如下： Fliptile Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 16494 Accepted: 6025 Description Farmer John knows that an intellectually sa 阅读全文
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原题如下： Face The Right Way Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 6708 Accepted: 3124 Description Farmer John has arranged his N (1 阅读全文
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原题如下： Jessica's Reading Problem Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 16925 Accepted: 5861 Description Jessica's a very lovely gi 阅读全文
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原题如下： Subsequence Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 21032 Accepted: 8975 Description A sequence of N positive integers (10 < 阅读全文