HW7: fstream

1. Download a text file containing the list members of CS101.
2. Write a C++ program which reads the 137 entries from this file and sort them in alphabetical order.
3. Some students registers twice with different email accounts. Write a program to find out these students.
   • For example,
     • s100321002@mail1.ncnu.edu.tw
     • s100321002@ncnu.ed
4. For any question about the score of this homework, please contact TA s101321536@mail1.ncnu.edu.tw.