Programming VIP

1. Problem description There is a box on the bicycle production line, in which there are N positions (N ≥ 3). Each position can store a frame or a wheel, and there are three workers. Their activities are: 2. Problem analysis (including knowledge points involved, restriction relationship analysis, problem solving ideas, etc.) According to t ...

Project scenario: Reuse the GPIO pin on the overlooking electronic TW-IMX6DL-EVM development board and share its principle. Compilation environment and development package: host: Ubuntu 18.04 Cross compiler: arm linux gnueabihf GCC Development board: TW-IMX6DL-EVM Linux: Linux-4.1.15 Note: all commands in this article refer to the path of ...

Main contents: semaphore and tube pass Semaphore Abstract data type of semaphore A shaping sem with two atomic operationsp(), sem minus one. If it is less than 0, waitv(), sem+1. If SEM < = 0, wake up a waiting process Semaphores are protected variables After initialization, the only way to change the value of a semaphore is through P V ...

2021SC@SDUSC introduction As an oj system, it can not judge the submission results of only one language, and it may even support all common language types. However, different languages require different compile and run commands. If the task of judging the language type is entrusted to the problem solver, we may need to modify the source co ...

Introduction to operating system : Operating Systems: Three Easy Pieces After class exercises: Homework The translation of the README part of the exercises after class in this chapter (easy to view later): 1. Introduction to exercises          This assignment allows you to explore some real code tha ...