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[LeetCode] Number of Longest Increasing Subsequence 最长递增序列的个数
Given an unsorted array of integers, find the number of longest increasing subsequence. Example 1: Input: [1,3,5,4,7] Output: 2 Explanation: The two l ...
分类:其他好文   时间:2017-09-27 21:48:07    阅读次数:150
2017ICPC南宁赛区网络赛 The Heaviest Non-decreasing Subsequence Problem (最长不下降子序列)
Let SSS be a sequence of integers s1s_{1}s?1??, s2s_{2}s?2??, ........., sns_{n}s?n?? Each integer is is associated with a weight by the following rul ...
分类:其他好文   时间:2017-09-25 21:54:50    阅读次数:387
The Heaviest Non-decreasing Subsequence Problem
最长非递减子序列变形题,把大于等于10000的copy五次放回去就可以了 ac代码: ...
分类:其他好文   时间:2017-09-25 11:59:12    阅读次数:137
521. Longest Uncommon Subsequence I【easy】
521. Longest Uncommon Subsequence I【easy】 Given a group of two strings, you need to find the longest uncommon subsequence of this group of two strings ...
分类:其他好文   时间:2017-09-23 19:07:22    阅读次数:120
【BZOJ3638】Cf172 k-Maximum Subsequence Sum 线段树区间合并(模拟费用流)
【BZOJ3638】Cf172 k-Maximum Subsequence Sum Description 给一列数,要求支持操作: 1.修改某个数的值 2.读入l,r,k,询问在[l,r]内选不相交的不超过k个子段,最大的和是多少。1?≤?n?≤?105,1?≤?m?≤?105,1?≤?l?≤?r ...
分类:其他好文   时间:2017-09-20 12:13:30    阅读次数:167
[HDU6155]Subsequence Count
题目大意: 给定一个01序列,支持以下两种操作: 1.区间反转; 2.区间求不同的子序列数量。 思路: 首先我们考虑区间反转,这是一个经典的线段树操作。 接下来考虑求不同的子序列数量,在已知当前区间的情况下,我们有如下$O(n)$的动态规划:| $f_{i,0}=f_{i-1,0}+f_{i-1,1 ...
分类:其他好文   时间:2017-09-18 14:43:42    阅读次数:129
674. Longest Continuous Increasing Subsequence
Given an unsorted array of integers, find the length of longest continuous increasing subsequence. Example 1: Example 2: 在未排序的数组中,找出最长递增序列的长度 c++(16ms ...
分类:其他好文   时间:2017-09-16 17:20:37    阅读次数:141
LeetCode Number of Longest Increasing Subsequence
原题链接在这里:https://leetcode.com/problems/number-of-longest-increasing-subsequence/description/ 题目: Given an unsorted array of integers, find the number o ...
分类:其他好文   时间:2017-09-16 13:34:11    阅读次数:134
Longest Continuous Increasing Subsequence
这道题为简单题 题目: 思路: 设置三个变量,max_long 存储总的最大长度,l代表该值目前的最大长度,num主要用来比较列表的前后大小。如果i大于num那么l就一直加1.否则l就和max_long比较大小,l变为1,num更新为i值 代码: ...
分类:其他好文   时间:2017-09-14 00:32:17    阅读次数:148
POJ 3061 Subsequence
Description A sequence of N positive integers (10 < N < 100 000), each of them less than or equal 10000, and a positive integer S (S < 100 000 000) ar ...
分类:其他好文   时间:2017-09-13 23:23:10    阅读次数:196
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