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题干：  Now you get a number N, and a M-integers set, you should find out how many integers which are small than N, that they can divided exactly by any integers in the set. For example, N=12, and M-in...

题干：Given a list of integers (A1, A2, ..., An), and a positive integer M, please find the number of positive integers that are not greater than M and dividable by any integer from the given list. ...

题干：You've got a string s = s1s2... s|s| of length |s|, consisting of lowercase English letters. There also are q queries, each query is described by two integers li, ri (1 ≤ li ≤ ri ≤ |s|). The answ...

A.题干：A. 仰望星空单测试点时限: 2.0 秒内存限制: 512 MB你就这样静坐在草地上，离我稍远的地方。我用眼角瞅着你，你什么话也别说。语言是误会的根源。但是，每天，你可以坐得离我近一些……你和她一起仰头仰望着布满星辰的天空。你的星星对她而言只不过是众星中的一颗。她会喜欢仰望天际所有的繁星，他们都会是她的朋友。但你深信你不会是万众中一颗毫不起眼的星...

 题干：题目描述给出一个长度为n的序列，你需要计算出所有长度为k的子序列中，除最大最小数之外所有数的乘积相乘的结果 输入描述:第一行一个整数T，表示数据组数。对于每组数据，第一行两个整数N，k，含义如题所示接下来一行N个整数，表示给出的序列保证序列内的数互不相同输出描述:对于每组数据，输出一个整数表示答案，对取模每组数据之间以换行分割 示例...

题干：链接：https://ac.nowcoder.com/acm/contest/696/C来源：牛客网自从上次小w被奶牛踹了之后，就一直对此耿耿于怀。于是"cow"成为了小w的禁忌，而长得和"cow"很像的"owc"…凡是同时含有"c","w","o"的都进入了他的禁忌名单。小G想给他送一幅幅长为n个字符的长诗，但是又怕触犯他的禁忌。所以他决定要是诗中出现了他的禁忌就宁可...

题干： Problem Description Since both Stefan and Damon fell in love with Elena, and it was really difficult for her to choose. Bonnie, her best friend, suggested her to throw a question to them,...