摘要： An AVL tree is a self-balancing binary search tree. In an AVL tree, the heights of the two child subtrees of any node differ by at most one; if at any 阅读全文

摘要： There is a kind of balanced binary search tree named red-black tree in the data structure. It has the following 5 properties: (1) Every node is either 阅读全文

摘要： Unlike in nowadays, the way that boys and girls expressing their feelings of love was quite subtle in the early years. When a boy A had a crush on a g 阅读全文

摘要： Suppose that all the keys in a binary tree are distinct positive integers. A unique binary tree can be determined by a given pair of postorder and ino 阅读全文

摘要： 静态成员的初始化要在类外不然报错error: ISO C++ forbids in-class initialization of non-const static member '***' 但是声明为const的变量就可以了，即使是static的 阅读全文

摘要： 该文转自：https://www.cnblogs.com/KunLunSu/p/7861330.html C++98 auto 早在C++98标准中就存在了auto关键字，那时的auto用于声明变量为自动变量，自动变量意为拥有自动的生命期，这是多余的，因为就算不使用auto声明，变量依旧拥有自动的生 阅读全文

摘要： Description Like everyone else, cows like to stand close to their friends when queuing for feed. FJ has N (2 <= N <= 1,000) cows numbered 1..N standin 阅读全文

摘要： 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 阅读全文

摘要： 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 阅读全文

摘要： 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 阅读全文