我来秀一下我的C语言啊！（适合刚学C语言的初级者，高手勿进！） 今天主打程序是日历，输入年和月，可以打印出当月的日历。 （没有注释的，大家慢慢看！）-I came to show my C language ah! (Suitable for just C language primary school, the players do not enter!) Today, the main process is the calendar, enter the year and month, yo