C/C++初学者的入门PPT，第一章介绍了C语言知识的概述，第二章介绍了算法，第三章介绍了数据类型、运算符及表达式，第四章介绍了基本的C语句及顺序程序的设计，第五章介绍了选择程序的设计（if、switch语句），第六章介绍了C中的典型循环。-C/C++ beginners entry ppt. The first chapter introduces an overview of the C language knowledge, the second chapter introduces the algorithm. The third chapter introduces the data types, operators and expressions. The fourth chapter introduces the basic C language and the order of program design, the fifth chapter introduces the procedures for the selection of design (if and switch statements), chapter six introduces the C and the typical cycle.