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第二章 排序 || 第19节 最短子数组练习题
题目 解析 C++版 C++ class Subsequence { public: int shortestSubsequence(vector A, int n) { // write code here int start=0; int end=n 1; //最右边比max值小的数的下标 // ...
分类:编程语言   时间:2018-07-09 01:08:04    阅读次数:148
Longest Increasing Subsequence
Given an unsorted array of integers, find the length of longest increasing subsequence. Example: Note: There may be more than one LIS combination, it ...
分类:其他好文   时间:2018-07-07 22:19:36    阅读次数:133
CodeForces - 1000D Yet Another Problem On a Subsequence
题面在这里! 好智障的一个dp啊,一段开头的数字相当于下面要跟多少个数,直接滚动数组dp就行了。。。 ...
分类:其他好文   时间:2018-07-01 19:51:10    阅读次数:251
Educational Codeforces Round 46 D. Yet Another Problem On a Subsequence
题目大意 定义一个数列是“好的”:第一个数字a[0]为数列长度+1。 定义一个数列的子序列是“好的”:这个子序列能分割成几个“好的”数列。 各一个数列,求“好的”子序列的数目。 解题思路 一开始想用dp[i][j]表示[i,j]的“好的”子序列的数目。发现复杂度爆炸,而且会造成重复。 为了减少复杂度 ...
分类:其他好文   时间:2018-06-30 21:59:20    阅读次数:245
(Java) LeetCode 334. Increasing Triplet Subsequence —— 递增的三元子序列
Given an unsorted array return whether an increasing subsequence of length 3 exists or not in the array. Formally the function should: Your algorithm ...
分类:编程语言   时间:2018-06-30 00:19:55    阅读次数:184
Educational Codeforces Round 46 (Rated for Div. 2) D. Yet Another Problem On a Subsequence
这个题是dp, dp[i]代表以i开始的符合要求的字符串数 j是我们列举出的i之后一个字符串的开始地址,这里的C是组合数 dp[i] += C(j i 1, A[i]] ) dp[j]; include include include include include include include ...
分类:其他好文   时间:2018-06-29 21:38:41    阅读次数:177
(Java) LeetCode 392. Is Subsequence —— 判断子序列
Given a string s and a string t, check if s is subsequence of t. You may assume that there is only lower case English letters in both s and t. t is po ...
分类:编程语言   时间:2018-06-29 15:02:32    阅读次数:964
LeetCode 300. Longest Increasing Subsequence —— 最长上升子序列(Java)
Given an unsorted array of integers, find the length of longest increasing subsequence. Example: Note: There may be more than one LIS combination, it ...
分类:编程语言   时间:2018-06-29 01:08:26    阅读次数:362
leecode 300. Longest Increasing Subsequence
Given an unsorted array of integers, find the length of longest increasing subsequence. Example: Note: There may be more than one LIS combination, it ...
分类:其他好文   时间:2018-06-24 17:56:21    阅读次数:157
674. Longest Continuous Increasing Subsequence
扫描一遍,问题不大 ...
分类:其他好文   时间:2018-06-09 15:31:49    阅读次数:124
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