摘要： 常言道“小赌怡情”。这是一个很简单的小游戏：首先由计算机给出第一个整数；然后玩家下注赌第二个整数将会比第一个数大还是小；玩家下注t个筹码后，计算机给出第二个数。若玩家猜对了，则系统奖励玩家t个筹码；否则扣除玩家t个筹码。 注意：玩家下注的筹码数不能超过自己帐户上拥有的筹码数。当玩家输光了全部筹码后， 阅读全文

摘要： The task is simple: given any positive integer N, you are supposed to count the total number of 1's in the decimal form of the integers from 1 to N. F 阅读全文

摘要： Zhejiang University has 40000 students and provides 2500 courses. Now given the registered course list of each student, you are supposed to output the 阅读全文

摘要： Shopping in Mars is quite a different experience. The Mars people pay by chained diamonds. Each diamond has a value (in Mars dollars M$). When making 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 阅读全文

摘要： Given a string, you are supposed to output the length of the longest symmetric sub-string. For example, given "Is PAT&TAP symmetric?", the longest sym 阅读全文

摘要： Zhejiang University has 40000 students and provides 2500 courses. Now given the student name lists of all the courses, you are supposed to output the 阅读全文

摘要： This time you are asked to tell the difference between the lowest grade of all the male students and the highest grade of all the female students. Inp 阅读全文

摘要： time limit per test 0.25 s time limit per test memory limit per test 64 MB memory limit per test input standard input input output standard output out 阅读全文

摘要： With highways available, driving a car from Hangzhou to any other city is easy. But since the tank capacity of a car is limited, we have to find gas s 阅读全文