The Problems in Using Visual C and Homework

1
The Problems in Using Visual C and Homework 2
Assignment

• Speaker Yao-Ting Huang
• Advisor Kun-Mao Chao

National Taiwan University Department of Computer
Science Information Engineering Algorithms and
Computational Biology Lab.
2
Why Your Programs Closed Immediately after
Execution

• scanf(lf, miles)
• When you enter a number and press return, the
  program receives a number and a carriage return
  character.
• e.g.,
• scanf(lf, miles)
• printf(Additional char is d, getchar())
• If you enter 100 and then press enter, you will
  see Additional char is 10. (Note that the ASCII
  code for a carriage return character is 10.)
• Solution use getch() (need to include conio.h).

3
Be Careful of This Kind of Bugs

• The carriage return character can not be seen
  from the screen.
• When your program needs to read characters for
  multiple times, you may encounter bugs.
• There are many other existed function calls for
  reading input from the user.
• e.g., gets.
• Other problems when using Visual C
• Close the execution window when compiling your
  program.
• Clear the old workspace and create a new one.

4
Remind of Your Homepages

• Please use the web service provided by the
  computer center. For the details, please refer to
• http//ccms.ntu.edu.tw/jsc/ntucc/homepage/student
  -homepage.html
• Your URL will be like http//homepage.ntu.edu.tw/
  b90123456
• You have to use a FTP client to upload your web
  pages to the web server.
• Use the suggested FTP clients SmartFTP or
  CuteFTP Pro.
• The TAs will check the URL by the deadline 10/20.
• The email should contain subject formatted as
  CME_HOMWORK_1007_StudentID
• Please email to TA ??? chemeng_at_ntu.edu.tw

5
Homework 2

• Write a program to take a depth as input data.
• Compute and display the temperature in both
  degree Celsius and degree Fahrenheit at this
  depth inside the earth.
• Two useful formulas
• Celsius 10(depth)20
• Fahrenheit 1.8(Celsius)32
• You are required to create two subfunctions to
  compute the above two formulas respectively.
• Due date 10/28 (demo in the lab. lecture).