题意:给你来两个数A,B  .其中A=(n+1)k, B=nk    输出:(nk-1)/(n-1) 和  ∏ (n+1)k-i ni 思路:关键就是怎么求n和k.本来想这n一定是几个质因数的乘积,那么k一定是其中最小的(B=a1k1 a2 k2 a3 k3....an kn). 好了,但是咱有更加简单的办法,那就是利用pow()函数来开k次方!!帅不帅气! #include<iostream> #include<cmath> using namespace std; int PO…

 The Cat in the Hat  Background (An homage to Theodore Seuss Geisel) The Cat in the Hat is a nasty creature,But the striped hat he is wearing has a rather nifty feature. With one flick of his wrist he pops his top off. Do you know what's inside that…

题目来源:https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=3&page=show_problem&problem=43  The Cat in the Hat  Background (An homage to Theodore Seuss Geisel) The Cat in the Hat is a nasty creature,But the striped…

 The Cat in the Hat  Background (An homage to Theodore Seuss Geisel) The Cat in the Hat is a nasty creature, But the striped hat he is wearing has a rather nifty feature. With one flick of his wrist he pops his top off. Do you know what's inside that…

题目链接:http://poj.org/problem?id=1521 Entropy Time Limit: 1000MS    Memory Limit: 10000K Description An entropy encoder is a data encoding method that achieves lossless data compression by encoding a message with "wasted" or "extra" info…

查看redhat原有的yum包有哪些: [root@localhost ~]# rpm -qa|grep yum yum-utils-1.1.31-24.el7.noarch yum-langpacks-0.4.2-3.el7.noarch yum-metadata-parser-1.1.4-10.el7.x86_64 yum-rhn-plugin-2.0.1-4.el7.noarch PackageKit-yum-0.8.9-11.el7.x86_64 yum-3.4.3-118.el7.no…

各种杂题,水题,模拟,包括简单数论. 1001 A+B 1002 A+B+C 1009 Fat Cat 1010 The Angle 1011 Unix ls 1012 Decoding Task 1019 Grandpa's Other Estate 1034 Simple Arithmetics 1036 Complete the sequence! 1043 Maya Calendar 1054 Game Prediction 1057 Mileage Bank 1067 Rails 10…

[SinGuLaRiTy-1020] Copyright (c) SinGuLaRiTy 2017. All Rights Reserved. [CQBZOJ 1464] Hankson 题目描述 Hanks博士是BT (Bio-Tech,生物技术) 领域的知名专家,他的儿子名叫Hankson.现在,刚刚放学回家的Hankson正在思考一个有趣的问题. 今天在课堂上,老师讲解了如何求两个正整数c1和c2的最大公约数和最小公倍数.现在Hankson认为自己已经熟练地掌握了这些知识,他开始思考一个“…

Series的简单运算 import numpy as np import pandas as pd s1=pd.Series([1,2,3],index=['A','B','C']) print(s1) 结果: A 1 B 2 C 3 dtype: int64 s2=pd.Series([4,5,6,7],index=['B','C','D','E']) print(s2) 结果: B 4 C 5 D 6 E 7 dtype: int64 print(s1+s2)#对应的index相加,NaN…

类的继承案例解析,python相关知识延伸 作者:白宁超 2016年10月10日22:36:57 摘要:继<快速上手学python>一文之后,笔者又将python官方文档认真学习下.官方给出的pythondoc入门资料包含了基本要点.本文是对文档常用核心要点进行梳理,简单冗余知识不再介绍,作者假使你用c/java/c#/c++任一种语言基础.本系列文章属于入门内容,老鸟可以略看也可以略过,新鸟可以从篇一<快速上手学python>先接触下python怎样安装与运行,以及pycharm…