Stack is one of the most fundamental data structures, which is based on the principle of Last In First Out (LIFO). The basic operations include Push (
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2018-06-06 23:41:00
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A gas station has to be built at such a location that the minimum distance between the station and any of the residential housing is as far away as po
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2018-06-18 15:31:00
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One way that the police finds the head of a gang is to check people's phone calls. If there is a phone call between A and B, we say that A and B is re
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2018-06-18 00:22:00
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A Digital Library contains millions of books, stored according to their titles, authors, key words of their abstracts, publishers, and published years
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2018-06-03 11:57:00
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Suppose a bank has N windows open for service. There is a yellow line in front of the windows which devides the waiting area into two parts. The rules
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2018-05-31 20:32:00
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A table tennis club has N tables available to the public. The tables are numbered from 1 to N. For any pair of players, if there are some tables open
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2018-07-18 12:23:00
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Zhejiang University has 6 campuses and a lot of gates. From each gate we can collect the in/out times and the plate numbers of the cars crossing the g
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2018-07-10 22:36:00
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It is said that in 2013, there were about 100 graduate schools ready to proceed over 40,000 applications in Zhejiang Province. It would help a lot if
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2018-07-08 18:45:00
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When register on a social network, you are always asked to specify your hobbies in order to find some potential friends with the same hobbies. A "soci
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2018-07-08 13:16:00
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A Digital Library contains millions of books, stored according to their titles, authors, key words of their abstracts, publishers, and published years
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2018-06-24 22:36:00
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Weibo is known as the Chinese version of Twitter. One user on Weibo may have many followers, and may follow many other users as well. Hence a social n
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2018-06-21 09:44:00
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A traveler's map gives the distances between cities along the highways, together with the cost of each highway. Now you are supposed to write a progra
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2018-06-03 23:50:00
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Input our current position and a destination, an online map can recommend several paths. Now your job is to recommend two paths to your user: one is t
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2018-07-12 17:37:00
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One important factor to identify acute stroke (急性脑卒中) is the volume of the stroke core. Given the results of image analysis in which the core regions
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2018-07-08 21:07:00
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在ZIP归档文件中，保留着所有压缩文件和目录的相对路径和名称。当使用WinZIP等GUI软件打开ZIP归档文件时，可以从这些信息中重建目录的树状结构。请编写程序实现目录的树状结构的重建工作。 输入格式: 输入首先给出正整数N（≤），表示ZIP归档文件中的文件和目录的数量。随后N行，每行有如下格式的文
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2020-02-12 20:22:00
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Given a collection of number segments, you are supposed to recover the smallest number from them. For example, given {32, 321, 3214, 0229, 87}, we can
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2018-06-03 22:36:00
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时间限制400 ms 内存限制65536 kB 代码长度限制16000 B There is a public bike service in Hangzhou City which provides great convenience to the tourists from all over t
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2018-06-02 23:27:00
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Given a non-empty tree with root R, and with weight W~i~ assigned to each tree node T~i~. The weight of a path from R to L is defined to be the sum of
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2018-07-11 13:57:00
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$30$分水题~。 检查所有节点（除了根节点）和它的父节点的关系，判断是否破坏最大堆或者最小堆的性质。 const int N=1010; int heap[N]; bool maxheap,minheap; int n; void dfs(int u,vector<int> &post) { if
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2021-03-11 22:02:00
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人类学研究对于家族很感兴趣，于是研究人员搜集了一些家族的家谱进行研究。实验中，使用计算机处理代，而他们的丈夫
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2023-05-25 16:25:07
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