此程序为控制台程序，完成简单的双色球自动购买功能，以写入文件形式代替打印，客户可自主进行机选或者手动选择，也可以对同一组号下多注-This program is a console program, complete a simple two color automatic purchase, to write to a file instead of printing in the form of customer autonomous machine selection or manual

日历的打印程序，用户输入那一年，即横列打印日历。其中算法、在代码中有详细说明！-Calendar printing program, the user enters year, namely row print calendars. Which algorithm is described in detail in the code!