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115. Distinct Subsequences(js)
115. Distinct Subsequences Given a string S and a string T, count the number of distinct subsequences of S which equals T. A subsequence of a string i ...
分类:Web程序   时间:2019-04-24 23:23:54    阅读次数:180
Subsequences in Substrings Kattis - subsequencesinsubstrings (暴力)
题目链接: Subsequences in Substrings Kattis - subsequencesinsubstrings 题目大意:给你字符串s和t。然后让你在s的所有连续子串中,找出这些连续子串中的非连续子串中包含t的有多少个。 具体思路:我们枚举s的每一个位置,然后判断一下s的包含t ...
分类:其他好文   时间:2019-04-08 21:43:57    阅读次数:193
【CF1132G】Greedy Subsequences(线段树)
【CF1132G】Greedy Subsequences(线段树) 题面 "CF" 题解 首先发现选完一个数之后选择下一个数一定是确定的。 对于每个数预处理出左侧第一个比他大的数$L$,那么这个数加入进来之后$[L+1,i]$的答案都会增加一,拿线段树维护一下就行了。 ...
分类:其他好文   时间:2019-04-04 22:59:23    阅读次数:187
动态规划之115 Distinct Subsequences
题目链接:https://leetcode-cn.com/problems/distinct-subsequences/description/ 参考链接:https://www.cnblogs.com/springfor/p/3896152.html http://blog.csdn.net/ab ...
分类:其他好文   时间:2018-12-17 14:42:38    阅读次数:173
CF708B Recover the String 构造
For each string s consisting of characters '0' and '1' one can define four integers a00, a01, a10 and a11, where axy is the number of subsequences of ...
分类:其他好文   时间:2018-12-16 18:05:40    阅读次数:208
Equal Cut
Snuke has an integer sequence A of length N.He will make three cuts in A and divide it into four (non-empty) contiguous subsequences B,C,D and E. The ...
分类:其他好文   时间:2018-12-08 13:35:52    阅读次数:171
Equal Cut
Equal Cut 题目描述 Snuke has an integer sequence A of length N. He will make three cuts in A and divide it into four (non empty) contiguous subsequences B ...
分类:其他好文   时间:2018-12-06 20:21:32    阅读次数:146
Leetcode-940 Distinct Subsequences II(不同的子序列 II)
代码借鉴:https://blog.csdn.net/icefox_zhx/article/details/77254400 ...
分类:其他好文   时间:2018-11-11 12:54:33    阅读次数:348
491 Increasing Subsequences
Given an integer array, your task is to find all the different possible increasing subsequences of the given array, and the length of an increasing su... ...
分类:其他好文   时间:2018-11-06 11:21:00    阅读次数:93
491. Increasing Subsequences
这道题要用Set去做因为没有sort过 所以在后面也可能出现重复的东西 https://leetcode.com/problems/increasing-subsequences/discuss/97130/Java-20-lines-backtracking-solution-using-set- ...
分类:其他好文   时间:2018-10-28 11:23:15    阅读次数:89
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