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413. Arithmetic Slices
A sequence of number is called arithmetic if it consists of at least three elements and if the difference between any two consecutive elements is the ...
分类:其他好文   时间:2020-05-21 10:33:22    阅读次数:54
[LeetCode] 53. Maximum Subarray
Description Given an integer array , find the contiguous subarray (containing at least one number) which has the largest sum and return its sum. Examp ...
分类:其他好文   时间:2020-05-18 22:47:34    阅读次数:65
Least Cost Bracket Sequence(贪心)
Least Cost Bracket Sequence(贪心) Describe This is yet another problem on regular bracket sequences. A bracket sequence is called regular, if by inserti ...
分类:其他好文   时间:2020-05-18 18:19:11    阅读次数:52
CF3D Least Cost Bracket Sequence 题解——贪心
题目连接:https://www.luogu.com.cn/problem/CF3D —————————————————————————————————————————————————————————— 这一题是一个贪心的题目。 先把字符串中的问号都换成右括号,扫过去,如果左括号比右括号多(因为在任 ...
分类:其他好文   时间:2020-05-18 14:34:24    阅读次数:54
CF3D Least Cost Bracket Sequence 贪心
"Least Cost Bracket Sequence" "CodeForces 3D " 题目描述 This is yet another problem on regular bracket sequences. A bracket sequence is called regular, if ...
分类:其他好文   时间:2020-05-17 19:09:17    阅读次数:56
Least Cost Bracket Sequence 思维
分析 ~~看到括号匹配,先开个栈~~ 这题感觉还是不错的 首先需要知道代价最小的前提是括号序列 合法 ,所以不能单纯的贪心代价小的放法。 对于一个合法的序列来说,左右括号的数量一定相等,并且在当前位置,左括号的数量一定不小于右括号的数量,于是可以开一个栈来存左括号,遇到右括号就弹栈,栈空则不合法。 ...
分类:其他好文   时间:2020-05-17 19:07:46    阅读次数:59
Classification
Abstract: Why you need to learn some ML knowledge at least. You know that ML has everwhere! When you are visiting though some e shop and click some go ...
分类:其他好文   时间:2020-05-11 00:39:46    阅读次数:80
分布式系统中幂等性、at least once 和 at most once 问题
讨论一下分布式系统传输过程中常见的at least once 还是 at most once 问题。一般在一次传输过程中,失败与否是使用最大等待时间(记为time out)来判断是否传输成功,如果超过了这个时间,说明传输失败。但是用time out来判断是否传输成功,如果失败的时候无法判断是传送过程 ...
分类:其他好文   时间:2020-05-10 17:14:04    阅读次数:502
最优化算法-递推最小二乘法
Recursive Least Square(RLS) 最小二乘算法(Least Square)解决的问题是一个多元线性拟合问题: $\{a_1,a_2,a_3,...,a_n,b\}$, 其中$a_i$为自变量, $b$为响应值. 在线系统会不断获得新的观测值$\{a_1^i,a_2^i,a_3^ ...
分类:编程语言   时间:2020-05-10 14:48:10    阅读次数:77
SRv6 - Linux Kernel Implementation
To enable SRv6 support, at least CONFIG_IPV6 must be enabled. The default built-in SRv6 code supports elementary processing of SR-enabled packets. For ...
分类:系统相关   时间:2020-05-08 20:10:42    阅读次数:154
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