一般常用的c++实例，希望能对大家有用，包括以下内容简单计算器、累加一行字符中的数字、求素数、打印菱形等-Commonly used c++ instance, we hope to be useful, including the following simple calculator, cumulative figures in his characters, find prime numbers, print diamond, etc.

实现的是简单计算器，包括加减乘除。c编写的数据库课程设计-Realize that the calculator, including arithmetic. c prepared