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Given a singly linked list L with integer keys, you are supposed to remove the nodes with duplicated absolute values of the keys. That is, for each va 阅读全文
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Given a constant K and a singly linked list L, you are supposed to reverse the links of every K elements on L. For example, given L being 1→2→3→4→5→6, 阅读全文
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A linked list consists of a series of structures, which are not necessarily adjacent in memory. We assume that each structure contains an integer key 阅读全文
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To store English words, one method is to use linked lists and store a word letter by letter. To save some space, we may let the words share the same s 阅读全文
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容器类放入的都是元素的拷贝，而非引用。所以如果需要对元素做出改动，最好是把元素存在data[N]数组中，而仅仅在容器中存放数组下标。 函数传递容器类参数时，需要传引用，否则会超时。 vector vector作为数组，vector <int> num[ N ]，可以当作二维数组使用，由于所有的vec 阅读全文
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Mice and Rice is the name of a programming contest in which each programmer must write a piece of code to control the movements of a mouse in a given 阅读全文
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Given a stack which can keep M numbers at most. Push N numbers in the order of 1, 2, 3, ..., N and pop randomly. You are supposed to tell if a given s 阅读全文