51165 Question 1

Class Statistics

One of the professors have a lot of students from three different departments taking the same course. He wants to do some computerized calculations. In the end of the semester he needs the averages of students for each department, the number of students whose average is greater than department’s average. The student average is calculated as 40% of midterm and 60% of final exam. All students information are stored in "input.txt" file.

Write a program that does this job.

Input Specification: In the first line you will be given the number of students 0<=n<=1000, then in the following n lines you will have the information for each student.

Each student information contains:

• Student ID, 8 digits long
• Student Name, at most 25 char long
• Student Surname, at most 25 char long
• Student department, there are three different departments: CEN, ECE, BINF.
• Midterm Grade, (int)
• Final Grade, (int).

Output Specification: In the first line show four floating point numbers, the averages of all CEN, ECE and BINF students and the class average with two digits after a floating point number.

In the second line show three integer numbers:

• the number of CEN students whose average is greater than total CEN students average,
• the number of ECE students whose average is greater than total ECE students average,
• the number of BINF students whose average is greater than total BINF students average,