2016暑假多校联合---Rikka with Sequence (线段树) Problem Description As we know, Rikka is poor at math. Yuta is worrying about this situation, so he gives Rikka some math tasks to practice. There is one of them: Yuta has an array A with n numbers. Then he make…

Wow! Such Sequence! Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 3808 Accepted Submission(s): 1079 Problem Description Recently, Doge got a funny birthday present from his new friend, Protein…

D. The Child and Sequence Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/438/problem/D Description At the children's day, the child came to Picks's house, and messed his house up. Picks was angry at him. A lot of important…

Problem Description Recently, Doge got a funny birthday present from his new friend, Protein Tiger from St. Beeze College. No, not cactuses. It's a mysterious blackbox. After some research, Doge found that the box is maintaining a sequence an of n nu…

题目网址:http://acm.hdu.edu.cn/showproblem.php?pid=6047 题目: Maximum Sequence Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 90    Accepted Submission(s): 44 Problem Description Steph is extremely o…

At the children's day, the child came to Picks's house, and messed his house up. Picks was angry at him. A lot of important things were lost, in particular the favorite sequence of Picks. Fortunately, Picks remembers how to repair the sequence. Initi…

题目链接:hdu 4983 Wow! Such Sequence! 题目大意:就是三种操作 1 k d, 改动k的为值添加d 2 l r, 查询l到r的区间和 3 l r. 间l到r区间上的所以数变成近期的斐波那契数,相等的话取向下取. 解题思路:线段树.对于每一个节点新增一个bool表示该节点下面的位置是否都是斐波那契数. #include <cstdio> #include <cstring> #include <cstdlib> #include <algo…

题目链接: NanoApe Loves Sequence Time Limit: 2000/1000 MS (Java/Others)     Memory Limit: 262144/131072 K (Java/Others) Problem Description NanoApe, the Retired Dog, has returned back to prepare for the National Higher Education Entrance Examination! In…

题目链接:Codeforces 486E LIS of Sequence 题目大意:给定一个数组.如今要确定每一个位置上的数属于哪一种类型. 解题思路:先求出每一个位置选的情况下的最长LIS,由于開始的想法,所以求LIS直接用线段树写了,没有改,能够用 log(n)的算法直接求也是能够的.然后在从后向前做一次类似LIS.每次推断A[i]是否小于f[dp[i]+1],这样就能够确定该位 置是否属于LIS序列. 然后为第三类的则说明dp[i] = k的仅仅有一个满足. #include <cstdi…

D. The Child and Sequence   At the children's day, the child came to Picks's house, and messed his house up. Picks was angry at him. A lot of important things were lost, in particular the favorite sequence of Picks. Fortunately, Picks remembers how t…