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A . Xu Xiake in Henan Province (签到) ( 2018-2019 ACM-ICPC, Asia Jiaozuo Regional Contest )
Shaolin Monastery, also known as the Shaolin Temple, is a Chan ("Zen") Buddhist temple in Dengfeng County, Henan Province. Believed to have been found ...
分类:其他好文   时间:2019-10-06 00:21:17    阅读次数:18
[Mathematics][MIT 18.03] Detailed Explanation of the Frequency Problems in Second-Order Differential Equation of Oscillation System
Well, to begin with, I'd like to say thank you to MIT open courses twice. It's their generosity that gives me the priviledge to enjoy the most outstan ...
分类:其他好文   时间:2019-10-05 22:27:34    阅读次数:28
Mediocre String Problem
问题 M: Mediocre String Problem 题目描述 Given two strings s and t, count the number of tuples (i, j, k) such that1. 1 ≤ i ≤ j ≤ |s|2. 1 ≤ k ≤ |t|.3. j ? i ...
分类:其他好文   时间:2019-10-05 20:09:44    阅读次数:18
Python Ethical Hacking - KEYLOGGER(2)
Report function: Run in the background. Don't interrupt program execution. Every X seconds, send the report. ->Great case for threading. ...
分类:编程语言   时间:2019-10-05 12:42:20    阅读次数:28
C++ pair(对组)用法
1,pair的应用 pair是将2个数据组合成一组数据,当需要这样的需求时就可以使用pair,如stl中的map就是将key和value放在一起来保存。另一个应用是,当一个函数需要返回2个数据的时候,可以选择pair。 pair的实现是一个结构体,主要的两个成员变量是first second 因为是 ...
分类:编程语言   时间:2019-10-05 10:43:43    阅读次数:24
防线 Defence
这一题写的时候也是懵逼的,想到了大概思路 首先的操作肯定是处理出以 ii 为结尾的最长连续上升序列 那么接下来最朴素的算法可以达到 O(N^2) 有没有更快的做法? 考虑我们枚举的是前 ii 项,那么有些很明显无用的东西被重复枚举了 如果 a[i]>a[j] 并且 g[i]<=g[j] ,那么选 i ...
分类:其他好文   时间:2019-10-04 21:06:10    阅读次数:22
[Mathematics][MIT 18.03] Proof of a Theory about the Solution to Second-order Linear Homogeneous Differential Equation
Edit: I suddenly found that this theorem is called Abel Identity. And the proof here is exactly the same as what he did. At first, I'd like to say tha ...
分类:其他好文   时间:2019-10-04 21:03:48    阅读次数:17
Docker第七回(私有Registry)
一、Docker Registry的分类 Registry用来保存docker镜像,包括镜像的层次结构和元数据,用户可以自建Registry,也可以使用官方的docker hub Sponsor Registry:第三方的Registry,供客户和docker社区使用 Mirror Registry ...
分类:其他好文   时间:2019-10-04 18:58:47    阅读次数:25
迭代法计算斐波那契数列
1 1 1 2 3 5 8 first second result first second result (N>2) ...
分类:其他好文   时间:2019-10-04 15:20:58    阅读次数:24
Almost Acyclic Graph CodeForces - 915D (思维+拓扑排序判环)
Almost Acyclic Graph "CodeForces 915D " time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Y ...
分类:编程语言   时间:2019-10-04 00:10:19    阅读次数:24
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