Description: (A) nine data processing functions:
Data input function (keyboard input, file import)
Data editing functions (add, delete, query, sort of)
The data output function (on-screen display, and save the file)
Note: The analysis functions will be given the highest score of all subjects, the lowest score, average, excellent rate, and do not pass rate.
Save function can save the sorted data to a file.
(B) Password Authentication
The three password authentication system: the need to verify the password into the system, three validation error, the system will automatically exit.
Note: The system password abcdef. To modify the password can be modified in the program at line 78. (Does not support password changes)
Password entry, the console will be "*" approach.
(C) data input error
Entering grades entered does not meet the requirements, such as requirements for floating-point data between 0-300 and 0-150 between the integrated subjects require language scores, the
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gkchengli3.cpp
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