Joilee

摘要： On a broken keyboard, some of the keys are worn out. So when you type some sentences, the characters corresponding to those keys will not appear on sc... 阅读全文

摘要： For two rational numbers, your task is to implement the basic arithmetics, that is, to calculate their sum, difference, product and quotient.Input Spe... 阅读全文

摘要： According to Wikipedia:Insertion sortiterates, consuming one input element each repetition, and growing a sorted output list. Each iteration, insertio... 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

摘要： It is vitally important to have all the cities connected by highways in a war. If a city is occupied by the enemy, all the highways from/toward that c... 阅读全文

摘要： 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... 阅读全文

摘要： As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some ro... 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 graph which is connected and acyclic can be considered a tree. The height of the tree depends on the selected root. Now you are supposed to find the... 阅读全文

摘要： A Binary Search Tree (BST) is recursively defined as a binary tree which has the following properties:The left subtree of a node contains only nodes w... 阅读全文