脂环

摘要： You are given a complete directed graph KnKn with nn vertices: each pair of vertices u≠vu≠v in KnKn have both directed edges (u,v)(u,v) and (v,u)(v,u) 阅读全文

摘要： You are playing another computer game, and now you have to slay nn monsters. These monsters are standing in a circle, numbered clockwise from 11 to nn 阅读全文

摘要： 题目描述 小凯手中有两种面值的金币，两种面值均为正整数且彼此互素。每种金币小凯都有 无数个。在不找零的情况下，仅凭这两种金币，有些物品他是无法准确支付的。现在小 凯想知道在无法准确支付的物品中，最贵的价值是多少金币？注意：输入数据保证存在 小凯无法准确支付的商品。 输入格式 两个正整数 aaa 和 阅读全文

摘要： Many years ago Berland was a small country where only nn people lived. Each person had some savings: the ii -th one had aiai burles. The government co 阅读全文

摘要： output standard output Polycarp has recently created a new level in this cool new game Berlio Maker 85 and uploaded it online. Now players from all ov 阅读全文

摘要： Adera是Microsoft应用商店中的一款解谜游戏。 异象石是进入Adera中异时空的引导物，在Adera的异时空中有一张地图。 这张地图上有N个点，有N-1条双向边把它们连通起来。 起初地图上没有任何异象石，在接下来的M个时刻中，每个时刻会发生以下三种类型的事件之一： 地图的某个点上出现了异象 阅读全文

摘要： Eugene likes working with arrays. And today he needs your help in solving one challenging task. An array cc is a subarray of an array bb if cc can be 阅读全文

摘要： Once again, Boris needs the help of Anton in creating a task. This time Anton needs to solve the following problem: There are two arrays of integers a 阅读全文

摘要： Young boy Artem tries to paint a picture, and he asks his mother Medina to help him. Medina is very busy, that's why she asked for your help. Artem wa 阅读全文

摘要： 题目描述 松鼠的新家是一棵树，前几天刚刚装修了新家，新家有nnn 个房间，并且有 n−1n-1n−1 根树枝连接，每个房间都可以相互到达，且俩个房间之间的路线都是唯一的。天哪，他居然真的住在“树”上。 松鼠想邀请****前来参观，并且还指定一份参观指南，他希望**能够按照他的指南顺序，先去 a1a_ 阅读全文