Description: Telephone billing system, has the following functions: billing functions. According to the source data files stored in the long distance call records and document the rate of a call record for each call to calculate their costs, and the results stored in the cost of document. Inquiry calls. Enter a phone number, statistics from the cost of paper all the phone numbers of local calls, long distance calls, and documents from the user to find their user name. If a single query. Enter a phone number, query and display all the user' s phone records
File list (Check if you may need any files):
B2电信计费.cpp
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