Asimple

摘要： My birthday is coming up and traditionally I’mserving pie. Not just one pie, no, I have a numberN of them, of various tastes and of various sizes. Fof 阅读全文

摘要： Recently your team noticed that the computer you use to practice for programming contests is notgood enough anymore. Therefore, you decide to buy a ne 阅读全文

摘要： Some of the secret doors contain a very interesting word puzzle. The team of archaeologists has to solve it to open that doors. Because there is no ot 阅读全文

摘要： A Communist regime is trying to redistribute wealth in a village. They have have decided to sit everyone around a circular table. First, everyone has 阅读全文

摘要： 题目1 : Font Size 题目1 : Font Size 时间限制:10000ms 单点时限:1000ms 内存限制:256MB 描述 Steven loves reading book on his phone. The book he reads now consists of N par 阅读全文

摘要： A prime number p≥2 is an integer which is evenly divisible by only two integers: 1 and p. A composite integer is one which is not prime. The fundament 阅读全文

摘要： InputThe first line of input consists of an integers T where 1≤T≤1000, the number of test cases. Then follow T lines, each containing four integers a, 阅读全文

摘要： Freddy practices various kinds of alternative medicine, such as homeopathy. This practice is based on the belief that successively diluting some subst 阅读全文

摘要： The factorial function, n! is defined thus for n a non-negative integer: 0! = 1 n! = n * (n-1)! (n > 0) We say that a divides b if there exists an int 阅读全文

摘要： Input The first line of input contains one integer, giving the number of operations to perform.Then follow the operations, one per line, each of the f 阅读全文

摘要： You start with a sequence of consecutive integers. You want to group them into sets. You are given the interval, and an integer P. Initially, each num 阅读全文

摘要： Given a sequence of positive integers, count all contiguous subsequences (sometimes called substrings, in contrast to subsequences, which may leave ou 阅读全文

摘要： The ministers of the cabinet were quite upset by the message from the Chief of Security stating that they would all have to change the four-digit room 阅读全文

摘要： 题目意思就是已知n的阶乘，求n。 当输入的阶乘小于10位数的时候，我们可以用long long将字符串转化成数字，直接计算。 而当输入的阶乘很大的时候，我们就可以利用位数去大概的估计n。 阅读全文

摘要： We say that x is a perfect square if, for some integer b, x = b2. Similarly, x is a perfect cube if, for some integer b, x = b3. More generally, x is 阅读全文