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300. Longest Increasing Subsequence
300. Longest Increasing Subsequence https://leetcode.com/problems/longest-increasing-subsequence/solution/ Solution 1: dp Time O(n^ 2) Solution 2: bin ...
分类:其他好文   时间:2018-08-28 22:01:15    阅读次数:146
题解报告:poj 2533 Longest Ordered Subsequence(LIS)
Description A numeric sequence of ai is ordered if a1 < a2 < ... < aN. Let the subsequence of the given numeric sequence ( a1, a2, ..., aN) be any seq ...
分类:其他好文   时间:2018-08-26 15:42:02    阅读次数:161
题解报告:poj 3061 Subsequence(二分前缀法or尺取法)
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:2018-08-25 14:09:00    阅读次数:131
Subsequence(POJ 3061)
原题如下: Subsequence Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 21032 Accepted: 8975 Description A sequence of N positive integers (10 < ...
分类:其他好文   时间:2018-08-21 10:41:38    阅读次数:162
1007 Maximum Subsequence Sum (25)(25 分)
Given a sequence of K integers { N~1~, N~2~, ..., N~K~ }. A continuous subsequence is defined to be { N~i~, N~i+1~, ..., N~j~ } where 1 <= i <= j <= K ...
分类:其他好文   时间:2018-08-21 01:04:37    阅读次数:186
常用技巧精选(一)
尺取法 Subsequence(POJ 3061) 原题如下: Subsequence Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 20969 Accepted: 8948 Description A sequence of ...
分类:其他好文   时间:2018-08-20 23:52:27    阅读次数:402
Codeforces Round #504 (rated, Div. 1 + Div. 2, based on VK Cup 2018 Final) A. Single Wildcard Pattern Matching B. Pair of Toys C. Bracket Subsequence D. Array Restoration-区间查询最值(RMQ(ST))
Codeforces Round #504 (rated, Div. 1 + Div. 2, based on VK Cup 2018 Final) A. Single Wildcard Pattern Matching 题意就是匹配字符的题目,打比赛的时候没有看到只有一个" * ",然后就写挫了, ...
分类:其他好文   时间:2018-08-19 18:02:21    阅读次数:217
poj-2533 longest ordered subsequence(动态规划)
Time limit2000 ms Memory limit65536 kB A numeric sequence of ai is ordered if a1 < a2 < ... < aN. Let the subsequence of the given numeric sequence (  ...
分类:其他好文   时间:2018-08-19 00:49:54    阅读次数:153
HDU4362 Palindrome subsequence (区间DP)
"题目链接" 题目大意 给你几个字符串$(1 Solution 区间DP。 比较典型的例题。 状态定义: 令 $f[i][j]$ 表示 $i$ 到 $j$ 的回文序列个数,$s$ 为给出的字符串. 状态转移: 1. $s[i]\neq s[j]$ 那么此时 $f[i][j]$ 即为$f[i][j 1 ...
分类:其他好文   时间:2018-08-12 21:40:10    阅读次数:146
CF 888E Maximum Subsequence
一道比较套路的题,看到 数据范围 就差不多有想法了吧。 题目大意:给一个数列和$m$,在数列任选若干个数,使得他们的和对$m$取模后最大 取膜最大,好像不能DP/贪心/玄学乱搞啊。$n\le35$?果断 meet in middle 考虑我们已经搜出了序列前一半的解,那么怎么根据后面的结果合并出结果 ...
分类:其他好文   时间:2018-08-05 20:22:34    阅读次数:237
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