摘要: 位运算 位运算的运算分量只能是整型或字符型数据,位运算把运算对象看作是由二进位组成的位串信息,按位完成指定的运算,得到位串信息的结果。 位运算符有: &(按位与)、|(按位或)、^(按位异或)、~ (按位取反)。 其中,按位取反运算符是单目运算符,其余均为双目运算符。 位运算符的优先级从高到低,依次 阅读全文
posted @ 2016-01-28 22:48 sCjTyC 阅读(214) 评论(0) 推荐(1) 编辑
摘要: Hamburger Magi Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 437 Accepted Submission(s): 144 Pr 阅读全文
posted @ 2016-01-28 22:21 sCjTyC 阅读(378) 评论(0) 推荐(0) 编辑
摘要: Doing Homework Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 6967 Accepted Submission(s): 3043 阅读全文
posted @ 2016-01-27 22:45 sCjTyC 阅读(926) 评论(2) 推荐(1) 编辑
摘要: Fibonacci StringTime Limit: 3000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 5008Accepted Submission(s): 1690Pr... 阅读全文
posted @ 2016-01-23 12:36 sCjTyC 阅读(315) 评论(0) 推荐(0) 编辑
摘要: C. Pearls in a Rowtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputThere arenpearls in a row. Let... 阅读全文
posted @ 2016-01-22 14:46 sCjTyC 阅读(597) 评论(0) 推荐(1) 编辑
摘要: 比赛难度Time Limit: 3000/1000 MS (Java/Others)Memory Limit: 65535/32768 K (Java/Others)Total Submission(s): 768Accepted Submission(s): 263Problem Descript... 阅读全文
posted @ 2016-01-21 14:09 sCjTyC 阅读(289) 评论(0) 推荐(0) 编辑
摘要: 魔法串Time Limit: 3000/1000 MS (Java/Others)Memory Limit: 65535/32768 K (Java/Others)Total Submission(s): 2023Accepted Submission(s): 753Problem Descript... 阅读全文
posted @ 2016-01-21 10:55 sCjTyC 阅读(428) 评论(0) 推荐(0) 编辑
摘要: 湫湫系列故事——消灭兔子Time Limit: 3000/1000 MS (Java/Others)Memory Limit: 65535/32768 K (Java/Others)Total Submission(s): 1883Accepted Submission(s): 628Problem... 阅读全文
posted @ 2016-01-21 00:25 sCjTyC 阅读(390) 评论(0) 推荐(0) 编辑
摘要: 小小明系列故事——游戏的烦恼Time Limit: 3000/1000 MS (Java/Others)Memory Limit: 65535/32768 K (Java/Others)Total Submission(s): 960Accepted Submission(s): 341Proble... 阅读全文
posted @ 2016-01-20 21:14 sCjTyC 阅读(303) 评论(0) 推荐(0) 编辑
摘要: 郑厂长系列故事——体检Time Limit: 500/200 MS (Java/Others)Memory Limit: 65535/32768 K (Java/Others)Total Submission(s): 1300Accepted Submission(s): 717Problem De... 阅读全文
posted @ 2016-01-20 16:31 sCjTyC 阅读(380) 评论(0) 推荐(0) 编辑
摘要: 机器人的舞蹈Time Limit: 1000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 292Accepted Submission(s): 154Problem Descri... 阅读全文
posted @ 2016-01-20 15:57 sCjTyC 阅读(233) 评论(0) 推荐(0) 编辑
摘要: CRB and His BirthdayTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1112Accepted Submission(s): 55... 阅读全文
posted @ 2016-01-20 12:46 sCjTyC 阅读(201) 评论(0) 推荐(0) 编辑
摘要: 1 #include 2 #include 3 #include 4 #include 5 #include 6 #include 7 #include 8 using namespace std; 9 struct trie10 {11 int cont;12 trie *nex... 阅读全文
posted @ 2016-01-02 17:59 sCjTyC 阅读(193) 评论(0) 推荐(0) 编辑
摘要: 设f_if​i​​是第ii个前缀的逆序对数,p_ip​i​​是第ii个位置上的数,则f_i-f_{i-1}f​i​​−f​i−1​​是ii前面比p_ip​i​​大的数的个数.我们考虑倒着做,当我们处理完ii后面的数,第ii个数就是剩下的数中第f_i-f_{i-1}+1f​i​​−f​i−1​​+1大... 阅读全文
posted @ 2015-12-13 22:59 sCjTyC 阅读(179) 评论(0) 推荐(0) 编辑
摘要: 思路:一个O(n)O(n)的做法。我们发现b_1,b_2,...,b_xb​1​​,b​2​​,...,b​x​​都加11就相当于b_{x+1},b_{x+2},...,b_nb​x+1​​,b​x+2​​,...,b​n​​都减11。然后我们可以倒着做,记一下最大值,如果遇到了修改操作,就把最大值... 阅读全文
posted @ 2015-12-13 00:37 sCjTyC 阅读(174) 评论(0) 推荐(0) 编辑
摘要: http://poj.org/problem?id=2566;Bound FoundTime Limit:5000MSMemory Limit:65536KTotal Submissions:2237Accepted:692Special JudgeDescriptionSignals of mos... 阅读全文
posted @ 2015-12-10 10:53 sCjTyC 阅读(382) 评论(0) 推荐(0) 编辑
摘要: 1 优先队列:顾名思义,首先它是一个队列,但是它强调了“优先”二字,所以,已经不能算是一般意义上的队列了,它的“优先”意指取队首元素时,有一定的选择性,即根据元素的属性选择某一项值最优的出队~ 2 百度百科上这样描述的: 3 优先级队列 是不同于先进先出队列的另一种队列。每次从队列中取出... 阅读全文
posted @ 2015-12-04 13:26 sCjTyC 阅读(180) 评论(0) 推荐(0) 编辑
摘要: C. Magic Formulastime limit per test:2 seconds memory limit per test:256 megabytesinputstandard inputoutputstandard outputPeople in the Tomskaya regi... 阅读全文
posted @ 2015-12-03 17:18 sCjTyC 阅读(331) 评论(0) 推荐(0) 编辑
摘要: 凡能被3整除的数,其各个数位上的数之和能被3整除 阅读全文
posted @ 2015-12-03 14:13 sCjTyC 阅读(453) 评论(0) 推荐(0) 编辑
摘要: A. Alternative Thinkingtime limit per test2 secondsmemory limit per test256 megabytesKevin has just recevied his disappointing results on the USA Iden... 阅读全文
posted @ 2015-12-03 14:09 sCjTyC 阅读(326) 评论(0) 推荐(0) 编辑