模拟抛硬币所得正面的频率图

代码说明：

说明：  这是一款C++计算抛硬币得概率图的源代码，学习完这个程序以后你的C++水平会提示很多，建议有一定基础再看(This is a C++ calculation of coin toss probability map source code, after learning this program, your C++ level will be a lot of hints, it is suggested that there is a certain basis to look again.)