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搜索关键字:c. dzy loves sequences    ( 1332个结果
Oracle Sequences
Sequence: Define a Sequence to generate sequential numbers automatically example:可以在 update、select、insert语句中使用 ...
分类:数据库   时间:2019-09-11 11:44:33    阅读次数:83
PAT甲级——A1138 Postorder Traversa【25】
Suppose that all the keys in a binary tree are distinct positive integers. Given the preorder and inorder traversal sequences, you are supposed to out ...
分类:其他好文   时间:2019-09-09 22:38:38    阅读次数:116
Sequence POJ - 3581 (后缀数组)
Given a sequence, {A1, A2, ..., An} which is guaranteed A1 > A2, ..., An, you are to cut it into three sub-sequences and reverse them separately to fo ...
分类:编程语言   时间:2019-09-07 22:41:07    阅读次数:124
【规律】Parentheses
Parentheses 题目描述 Dave loves strings consisting only of '(' and ')'. Especially, he is interested in balanced strings. Any balanced strings can be cons ...
分类:其他好文   时间:2019-09-03 21:56:48    阅读次数:62
code rain???
Everybody loves the visual effect of the falling binary code known as ” Rain ” in The Matrix. In this article, we gonna show you an easy way to create ...
分类:其他好文   时间:2019-09-03 13:31:07    阅读次数:153
bzoj 3569 DZY Loves Chinese II 随机算法 树上倍增
题意:给你一个n个点m条边的图,有若干组询问,每次询问会选择图中的一些边删除,删除之后问此图是否联通?询问之间相互独立。此题强制在线。 思路:首先对于这张图随便求一颗生成树,对于每一条非树边,随机一个权值。树边的权值为所有覆盖这条树边的非树边的权值异或和。覆盖是指这条边是个返祖边,并且一端在父节点方 ...
分类:编程语言   时间:2019-09-02 17:32:51    阅读次数:73
【leetcode】1171. Remove Zero Sum Consecutive Nodes from Linked List
题目如下: Given the head of a linked list, we repeatedly delete consecutive sequences of nodes that sum to 0 until there are no such sequences. After doin ...
分类:其他好文   时间:2019-08-31 23:18:05    阅读次数:90
解决一个触发器错误
帮同事看了一个触发器引起的错误,他应项目组需求改项目报错,出现问题显示ORA-04098触发器无效且未通过重新验证。 发现他们使用navicat开发工具,打开触发器在定义一栏显示 BEGIN <<COLUMN_SEQUENCES>> BEGIN IF INSERTING AND :NEW.ID IS ...
分类:其他好文   时间:2019-08-28 12:48:28    阅读次数:81
CodeForces-259B]Little Elephant and Magic Square
Little Elephant loves magic squares very much. A magic square is a 3?×?3 table, each cell contains some positive integer. At that the sums of integers ...
分类:其他好文   时间:2019-08-21 09:33:05    阅读次数:119
【CF900D】Unusual Sequences
"题目" 智力下降严重 显然要反演了呀 首先必须满足$x|y$,否则答案是$0$ 我们枚举这个数列的$gcd$是$d$或者$d$的倍数 于是答案就是 $$\sum_{x|d}[d|y]\mu(\frac{x}{d})g(\frac{y}{d})$$ $g(d)$表示和为$d$的正整数数列的数量,显然 ...
分类:其他好文   时间:2019-08-18 19:40:39    阅读次数:68
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