C Language course design questions

1 Address book management system
2 Parking management system
3 Teacher salary management system
4 Book rental management system
5 Community property management system
……

explain ： Each student chooses a topic , Each topic should contain the following ： establish （ Input ）、 Show 、 modify 、 add to 、 Delete 、 Query and sort these parts .

Data entry ： Input the data required by the system , Use structure array or linked list to organize data （ Use the linked list to score extra points ）
data storage ： Store the entered data , Store the entered data in the form of files
Data reading and writing ： Read and write data
Data modification ： Update the data , You can insert new data , Modification of old data
Data deletion ： Delete data , Delete the corresponding record according to the specific topic
Data query ： Query the data as required , Including simple query and combined query
Data statistics ： Make statistics on the data as required , Including simple statistics and comprehensive statistics
Data sorting ： Sort the data as required , Including ascending sort and descending sort ; Including number and string sorting
Data reports ： Print reports on data as required , Print the report according to the specified report format
Interface ： Design the overall menu interface , Simple menu 、 Pull down or pop-up
password ： When the user enters the system , There are different user names and passwords to enter
No global variables , Use parameters or pointer variables to pass values , or return Statement to realize value passing ;
Set the password , Store the password in a file , And you can add new users , Or delete illegal users ;
Simply encrypt the password , For example, it was ABC, Let's store in the file 123 And other simple operations ;
The functions designed by myself are representative , There are highlights .
……
Take the address book management system as an example
At a minimum, it should include ：
1 Create address book
2 Show contacts
3 Check the address book
4 Modify address book
5 Add address book
6 Delete address book
7 Sort address book
The functions of these parts .
Standard for evaluation ：
During inspection and acceptance , Complete the selected task on the computer , This part accounts for 50%（ Question answering （10 branch ）、 Acceptance of internship achievements （40 branch ） ）.
The experimental report accounts for 30%, design scheme （10 branch ） Report quality （10 branch ） Understanding summary （5 branch ） Write specifications (5 branch ) .
Usual score percentage 20%, Including daily roll call 、 Learning attitude, etc .
Machine room requirements ：
⑴ Observe the discipline of the computer room , Don't do anything irrelevant to curriculum design （ Such as not playing games ）;
⑵ Complete the daily course design tasks as required , And report the completion to the instructor ;

requirement ：
Do it on your own , Do not pursue the perfection of the system , But it must be a program written by yourself .
Complete the specified functions as required , Different functions are implemented with different functions .
Make necessary comments on the program .
Write the experiment report as required （ Must follow the template specification ）

matters needing attention
This design is carried out in a group , Every time 5 artificial 1 Group , Team up by yourself .
Team formation conditions ： Members of the group complete different topics
6 month 24 Recently submitted the team formation , List of members of each group , Report to the team leader in a unified way and sort it into an electronic form , In order to record the inspection and results ;
The score is made up of ： Regular attendance 20%＋ Check 50%＋ Experimental report 30%
When the teacher inspects, check and accept by groups , The teacher will designate any two students in this group to report the completion and answer questions , The average score of two students is the score of all students in this group

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Extraction code ：1111