[programming practice] POJ 3276 Face The Right Way

... Description Farmer John has arranged his N (1 ≤ N ≤ 5,000) cows in a row and many of them are facing forward, like good cows. Some of them are facing backward, though, and he needs them all to face forward to make his life perfect. Fortunately, FJ recently bought an automatic cow...


[USACO13OPEN]Photo Photo Problem Solving Report

... [USACO13OPEN]Photo Photo Problem Solving Report 题描述 Farmer John has decided to assemble a panoramic photo of a lineup of his N cows (1 <= N <= 200,000), which, as always, are conveniently numbered from 1…N. Accordingly, he snapped M (1 <= M <= 100,000) photos, each covering...


肆: Output of IO port application

... #IO port internal structure 8051 MCU: There is one 8-bit bidirectional parallel I/O port P0, and three quasi-bidirectional parallel I/O ports P1~P3. Each port is composed of a latch, an output driver, and an input buffer . P0 Port internal structure P0 Port Detailed Solution : High...


The Wisdom of the United States has begun to appear, Hualianmi has gradually become the first echelon

... 文|曾铃 源|Technology to the order (xiangling0815) Today's Internet of Things is like Tang Wei meat, As long as you understand the situation, companies want to get in and take a bite. Even the vivo that is completely out of touch with smart homes, combined with OPPO, TCL, Midea and Extreme...


Preschool class - how to see the protocol interface interface UART

... 2, protocol class 2.1 URAT in the usual dialogue should follow the principle: the two sides can understand what the other party is saying; can not say too fast, that is The speed of speech must be accepted by others; Promoted to communication, the principle that both parties should...


The rookie Jiang Tao takes you to learn the smallest Internet of Things system module (01) - WIFI module ESP12F first intimate c

... recently wanted to engage in Internet of Things related things, Taobao bought two ESP12F WiFi modules, so the big fan (Sneaky), I made a record on my blog every day, and I also gave a similar idea to a classmate who was stepping on the mine to avoid lightning. Everyone made progress...


Scala functional programming

... What is functional programming In object-oriented programming, we pass ** object In functional programming, what we have to do is pass the function **, and this, as a term, we call him a higher-order letter. number. – In functional programming, a function is the basic unit, the first...


Teach you how to install Pycharm - reliable Pycharm installation detailed tutorial (transfer)

... Today Xiaobian to share with you how to download and install Pycharm on this machine, the specific tutorial is as follows: 2, select The professional version of Windows system, download it to the local, as shown below: 3, double-click the downloaded installation package, install, and...


Some understanding of C++ multithreading

... C++ There are many ways to multithreaded programming. The traditional method is slightly cumbersome and difficult to understand. Now a demo example is given to illustrate the effect of performing the same task to achieve parallel execution, thus improving program efficiency. #include ...


A small example of process communication through semaphores

... If we need to complete the following requirements create a child process in the main function to achieve communication: use signals to achieve process communication. 父过程 Task: Cycle print "I am father process!, I am waiting for signal, My PID is ......". It is required to print out its...