摘要：
A Digital Library contains millions of books, stored according to their titles, authors, key words of their abstracts, publishers, and published years 阅读全文
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/********************** author: yomi date: 18.8.14 ps:入门题果然很简单， 我觉得比选数，选物品什么的简单多了呀。 只要控制好递归边界和递归式就没问题。 **********************/ #include #include #include using namespace std; int n, m, ans = 0;... 阅读全文
摘要：
Lake Counting Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 45142 Accepted: 22306 Description Due to recent rains, water has pooled in va 阅读全文