C++

It's not only a .CPP file, it should be arranged with the header file.

Requirements: Write a program which can be used as a calendar. It must provide the following functions: 1. When the program starts, it prints a calendar for current year/month on the screen as follows: April 2014 SU MO TU WE TH FR SA 01 02 03 84 05 06 e 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 2. On this interface, you can do one of the following operations: Press 'N': Show the calendar for the next month; Press ???: Show the calendar for the previous month; Press 'C: Input year and month, the program will show the calendar as you inputted; Press 'A': Input year/month/day, then input a description, it will add an event to the calendar