HDU 6468 zyb的面试

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http://acm.hdu.edu.cn/showproblem.php?pid=6468 题目今天zyb参加一场面试,面试官听说zyb是ACMer之后立马抛出了一道算法题给zyb:有一个序列,是1到n的一种排列,排列的顺序是字典序小的在前,那么第k个数字是什么?例如n=15,k=7, 排列顺序为1, 10, 11, 12, 13, 14, 15, 2, 3, 4, 5, 6, 7, 8, 9;那么第7个数字就是15.那么,如果你处在zyb的场景下,你能解决这个问题吗? Input T组样例…

HDU 6464 权值线段树 && HDU 6468 思维题

免费送气球 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 566 Accepted Submission(s): 129 Problem Description 又到了GDUT一年一度的程序设计竞赛校赛的时间啦.同学们只要参加校赛,并且每解出一道题目就可以免费获得由ACM协会和集训队送出的气球一个.听到这个消息,JMC也想参加免费…

hdu 5594 ZYB's Prime 最大流

ZYB's Prime Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5594 Description After getting 600 scores in NOIP,ZYB(ZJ−267) creates a problem:you are given N numbers,now you are asked to divide them into K groups(…

hdu 5592 ZYB's Game 树状数组

ZYB's Game Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5592 Description ZYB has a premutation P,but he only remeber the reverse log of each prefix of the premutation,now he ask you to restore the premutation…

hdu 5591 ZYB's Game 博弈论

ZYB's Game Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5591 Description ZYB played a game named NumberBomb with his classmates in hiking:a host keeps a number in [1,N] in mind,then players guess a number in…

HDU 5590 ZYB's Biology 水题

ZYB's Biology Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5590 Description ZYB(ZJ−267)在NOIP拿到600分之后开始虐生物题,他现在扔给你一道简单的生物题:给出一个DNA序列和一个RNA序列,问它们是否配对. DNA序列是仅由A,C,G,T组成的字符串,RNA序列是仅由A,C,G,U组成的字符串. DNA和RNA匹配当且仅当每…

hdu 5268 ZYB loves Score 水题

ZYB loves Score Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5268 Description One day,ZYB participated in the BestCoder Contest There are four problems. Their scores are 1000,1500,2000,2500 According to the r…