CRB and Queries Time Limit: 12000/6000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 533    Accepted Submission(s): 125 Problem DescriptionThere are N boys in CodeLand.Boy i has his coding skill Ai.CRB wants to k…

CRB and Apple Time Limit: 12000/6000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 421    Accepted Submission(s): 131 Problem Description In Codeland there are many apple trees.One day CRB and his girlfriend decide…

CRB and Puzzle Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 301    Accepted Submission(s): 127 Problem DescriptionCRB is now playing Jigsaw Puzzle.There are N kinds of pieces with infinite su…

CRB and Candies Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 453    Accepted Submission(s): 222 Problem Description   CRB has N different candies. He is going to eat K candies.He wonders how…

题目链接:http://acm.hdu.edu.cn/showproblem.php? pid=5412 Problem Description There are N boys in CodeLand. Boy i has his coding skill Ai. CRB wants to know who has the suitable coding skill. So you should treat the following two types of queries. Query 1…

CRB and Queries Time Limit: 12000/6000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 1602    Accepted Submission(s): 409 Problem Description There are N boys in CodeLand.Boy i has his coding skill Ai.CRB wants to…

题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5412 CRB and Queries Description There are $N$ boys in CodeLand. Boy i has his coding skill $A_{i}$. CRB wants to know who has the suitable coding skill. So you should treat the following two types of qu…

题目链接:http://acm.split.hdu.edu.cn/showproblem.php?pid=5860 题目大意:给你n个人排成一列编号,每次杀第一个人第i×k+1个人一直杀到没的杀.然后剩下的人重新编号从1-剩余的人数.按照上面的方式杀.问第几次杀的是谁. 分析 一轮过后和原来问题比只是人的编号发生变化,故可以转化为子问题求解,不妨设这n个人的编号是0~n-1,对于第i个人,如果i%k=0,那么这个人一定是第一轮出列的第i/k+1个人:如果i%k!=0,那么这个人下一轮的编号就是i…

HDU 5861 题意 在n个村庄之间存在n-1段路,令某段路开放一天需要交纳wi的费用,但是每段路只能开放一次,一旦关闭将不再开放.现在给你接下来m天内的计划,在第i天,需要对村庄ai到村庄bi的道路进行开放.在满足m天内花费最小的情况下,求出每天的花销. 分析: 我们可以想到用线段树想到记录每一段路的开始时间与结束时间,开始时间很简单,就是一开始的时间,结束的时间求法可以参考区间覆盖,这是类似的: 然后我们在转化哪一天开哪些,哪一天关哪些,那这天的贡献sum = 开-关 ; 这很关键,我在比…

Problem Description There are N boys in CodeLand.Boy i has his coding skill Ai.CRB wants to know who has the suitable coding skill.So you should treat the following two types of queries.Query 1: 1 l vThe coding skill of Boy l has changed to v.Query 2…