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requirement.md

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Program Structure

  • System Menu
    • Grade
    • Inquire
      • By index
      • By student ID
      • Quit
    • Sort
    • Quit

Description

Menu (Main Menu)

  • Display an order list (Menu) for every function
  • Read the parameter inputed by user
  • call the correspond sub-function

Grade

  • ask user to input the assignment index and question(s) amount.
    • 5 means Assignment 5
  • Input the score of every question for every student
    • Calculate the total score for the student
    • Start the next student
  • all students' score save to a file call marks.txt
Format in file marks.txt
Name    ID    Assignment1   Assignment2  ......
Tony    1234  3.5           ...    
Andrew  1235  3.3           ...    
Amy     2323  4             ...     
........

Inquire

Like Search for the student

  • Display a order list (sub-Menu)
  • Read the parameter inputed by user
  • call the correspond sub-function(i.e. "sub-sub-function")
  1. By Index
    • ask user to input a index
    • output a list with information: index and Student Name
      • ask user to input a index
    • read the index inputed by user
    • display that student's information (Marks)
  2. By student ID
    • ask user to input a student ID
    • read the Student ID inputed by user
    • display that student's information (Marks)
  3. Quit
    • go back to main menu

Sort

This part have special request: use list(链表)

  • sort the students’ list (file students.txt) according to the total marks for all the assignments.
  • save the result to sorted.txt
  • output the sorted result to the screen
Format in file students.txt
Name   ID     
Tony   1234         
Andrew 1235     
Amy    2323
......

Format in file sorted.txt
Name   ID     Total     
Andrew 1235   15         
Amy    2323   12      
Tony   1234   11.3
......

Quiz

  • finish all jobs
  • quit the system

More information

  1. There are no more than 20 students in total
  2. Student's ID is a 4 digits number and not begin with a 0
  3. Max Assignment amount is 5
  4. Max questions number in an Assignment is 10
  5. Marks for each questions are equal
  6. Letter grades
letter Grade
A 4pts
B 3pts
C 2pts
D 1pts
  1. The user always give the valid inputs

Requirement

  1. Using Main and Sub-functions
  2. User-friendly
    • input notifications