面试题模块介绍：一、Java基础JDK和JRE有什么区别？和equals的区别是什么？两个对象的hashCode()相同，则equals()也一定为true，对吗？final在java中有什么作用？java中的Math.round(1.5)等于多少？String属于基础的数据类型吗？

E.PrefixEnlightenmenttimelimitpertest3secondsmemorylimitpertest256megabytesTherearenlampsonaline,numberedfrom1ton.Eachonehasan

E.TheContestAteamofthreeprogrammersisgoingtoplayacontest.Thecontestconsistsof𝑛problems,numberedfrom1to𝑛.Eachproblemisprintedonasepara

标签：DP题目链接(https://www.oschina.net/action/GoToLink?urlhttp%3A%2F%2Fcodeforces.com%2Fcontest%2F977%2Fproblem%2FF)

\TOC\CodeforcesRound608(Div.2)题解前言题目链接：仅仅只是为了方便以题目作为关键字能查找到我的题解而已（逃Codeforces1271A(https://www.oschina.net/action/GoToLink?u

传送门(https://www.oschina.net/action/GoToLink?urlhttps%3A%2F%2Fcodeforces.com%2Fcontest%2F1221)A.2048Game乱搞即可。<details<summaryCode</summaryinclude<bits/std

Youareacoachatyourlocaluniversity.Therearennstudentsunderyoursupervision,theprogrammingskilloftheiithstudentisaiai.Youhavetocreateateamforane

常用数值函数函  数功  能ABS(x)返回数值x的绝对值CEIL(x)返回大于或等于x的最小整数值FLOOR(x)返回小于或等于x的最大整数值MOD(x,y)返回x除以y的余数RAND()返回0~1内的随机数ROUND(x,y)返回x四舍五入后有y位小数的数值TRUNCATE(

!\FullSizeRender2\(https://oayrssjpa.qnssl.com/20170107FullSizeRender(https://www.oschina.net/action/GoToLink?urlhttps%3A%2F%2Foayrssjpa.qnssl.com%2F20170107FullSizeRen

链接：https://codeforces.com/contest/1176/problem/C(https://www.oschina.net/action/GoToLink?urlhttps%3A%2F%2Fcodeforces.com%2Fcontest%2F1176%2Fproblem%2FC)题意：Youare