Today the company has m tasks to complete. The ith task need xi minutes to complete. Meanwhile, this task has a difficulty level yi. The machine whose level below this task’s level yi cannot complete this task. If the company completes this task, the…

Stones 思路: sg函数打表找规律 代码: #pragma GCC optimize(2) #pragma GCC optimize(3) #pragma GCC optimize(4) #include<bits/stdc++.h> using namespace std; #define fi first #define se second #define pi acos(-1.0) #define LL long long //#define mp make_pair #defin…

A real-time operating system (RTOS) for use with minimal-memory controllers has a kernel for managing task execution, including context switching, a plurality of defined tasks, individual ones of the tasks having subroutines callable in nested levels…

http://www.onjava.com/pub/a/onjava/2001/05/30/optimization.htmlComparing the performance of LinkedLists and ArrayLists (and Vectors) (Page last updated May 2001, Added 2001-06-18, Author Jack Shirazi, Publisher OnJava). Tips: ArrayList is faster than…

[转载] Windows Subsystem for Linux -- Pico Process Overview Overview This post discusses pico processes, the foundation of WSL.  It explains how pico processes work in Windows and goes into the history of how they came to be, the abstractions we decide…

初始化流程 Application_Initialize systemInitialization(); HWDInitialization(); USC_Start(); OSTD_Init(); RM_Init(); L1SM_Init(); HW_Divider_Initialization(); Drv_Init_Phase1(); DclPMU_Initialize(); drv_hisr_init(); lpwr_init(); DclPWM_Initialize(); DclSAD…

未经允许,禁止转载,唯一出处:tangming博客园 最后更新于2019年4月4日: 多次更新,内容较多,篇幅较大,但如果是喜欢visual stdio code这款编辑器的话建议仔细阅读,有疑问的地方可以在评论区留言 vscdoe是一款稍有研究就会为之惊叹的软件 vscode支持类似于vs的断点调试c/c++,也可以直接编译&运行c/c++ 先是编译运行 c/c++的方法                             微软官方起初设定的科学做法(这也是现在的科学做法)是通过在vsco…

之前用过 Laravel,框架自带的 artisan 命令,用得爽到爆.现在工作需要,要学习 FuelPHP,首先看到框架目录结构,有 coposer.json 框架可以用 composer 管理,一定也有自己的命令工具. 对于新手来说,不妨先用命令自动生成文件,然后看这些生成的文件了解基本的 CRUD 操作. 一.准备工作 1.要用 oil 命令需要先安装 composer 看官网自行安装 https://getcomposer.org/download/ 2.正确连接并创建数据库 /fuel…

In a previous post Should I expose asynchronous wrappers for synchronous methods?, I discussed "async over sync," the notion of using synchronous functionality asynchronously and the benefits that doing so may or may not yield. The other directi…

Lately I've received several questions along the lines of the following, which I typically summarize as "async over sync": In my library, I have a method "public T Foo();".  I'm considering exposing an asynchronous method that would si…