Luogu P10496 The Luckiest Number 题解

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poj 3696 The Luckiest Number

The Luckiest Number 题目大意:给你一个int范围内的正整数n,求这样的最小的x,使得:连续的x个8可以被n整除. 注释:如果无解输出0.poj多组数据,第i组数据前面加上Case i: 即可. 想法:这题还是挺好的.我最开始的想法是一定有超级多的数输出0.然后...我就在哪里找啊找....其实这道题是一道比较好玩儿的数论题.我们思考:连续的8可用什么来表示出来?$\frac{(10^x-1)}{9}\cdot 8$.其实想到这一步这题就做完了.这题的精髓就在于告诉我们连续的连…

C#版 - Leetcode 414. Third Maximum Number题解

版权声明: 本文为博主Bravo Yeung(知乎UserName同名)的原创文章,欲转载请先私信获博主允许,转载时请附上网址 http://blog.csdn.net/lzuacm. C#版 - Leetcode 414. Third Maximum Number题解在线提交: https://leetcode-cn.com/problems/third-maximum-number 题目描述 414. 第三大的数给定一个非空数组,返回此数组中第三大的数.如果不存在,则返回数组中最大的数.…

luogu P1126 机器人搬重物题解

luogu P1126 机器人搬重物题解题目描述机器人移动学会($RMI$)现在正尝试用机器人搬运物品.机器人的形状是一个直径$1.6$米的球.在试验阶段,机器人被用于在一个储藏室中搬运货物.储藏室是一个$N×M$的网格,有些格子为不可移动的障碍.机器人的中心总是在格点上,当然,机器人必须在最短的时间内把物品搬运到指定的地方.机器人接受的指令有:向前移动$1$步($Creep$):向前移动$2$步($Walk$):向前移动$3$步($Run$):向左转(…

POJ3696 The Luckiest number

题意 Language:Default The Luckiest number Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 7083 Accepted: 1886 Description Chinese people think of '8' as the lucky digit. Bob also likes digit '8'. Moreover, Bob has his own lucky number L. Now…

POJ_3696 The Luckiest number 【欧拉定理+同余式+对取模的理解】

一.题目 Chinese people think of '8' as the lucky digit. Bob also likes digit '8'. Moreover, Bob has his own lucky number L. Now he wants to construct his luckiest number which is the minimum among all positive integers that are a multiple of L and consi…

poj_3696_The Luckiest number

Chinese people think of '8' as the lucky digit. Bob also likes digit '8'. Moreover, Bob has his own lucky number L. Now he wants to construct his luckiest number which is the minimum among all positive integers that are a multiple of L and consist of…

POJ3696:The Luckiest number(欧拉函数||求某数最小的满足题意的因子)

Chinese people think of '8' as the lucky digit. Bob also likes digit '8'. Moreover, Bob has his own lucky number L. Now he wants to construct his luckiest number which is the minimum among all positive integers that are a multiple of L and consist of…