CST 160: Introduction to Programming

1
CST 160 Introduction to Programming

• Irfan Pyarali
• http//www.cs.wustl.edu/irfan/cst160/Lecture
  2.ppt

2
(No Transcript)
3
Talking Points

• Questions from last time
• Solutions to Assignment 1
• Quiz
• Lots of Programming
• Adding integers (basic arithmetic)
• Exercise 2.31
• Decision making (if / else)
• Exercise 2.19
• Repetition (while loops)
• Exercise 3.25
• Assignments

4
Solutions to Assignment 1

• http//www.cs.wustl.edu/irfan/cst160/solutions/p2
  _21.c
• http//www.cs.wustl.edu/irfan/cst160/solutions/p2
  _25.c

5
Arithmetic and C

• http//www.cs.wustl.edu/irfan/cst160/solutions/f2
  _5.c

6
Good Programming Practices

• Comments
• Indentation
• Standard include file
• Adequate spacing and empty lines
• Use meaningful variable names
• One statement per line

7
Simple Algebra

• Algebra in C Figure 2.9 (page 34)
• Precedence of operators Figure 2.10 (page 36)

8
Exercise

• Exercise 2.31
• Solution http//www.cs.wustl.edu/irfan/cst160/so
  lutions/p2_31.c

9
(No Transcript)
10
Decision making

• http//www.cs.wustl.edu/irfan/cst160/solutions/f2
  _13.c

11
Exercise

• Exercise 2.19
• Solution http//www.cs.wustl.edu/irfan/cst160/so
  lutions/p2_19.c

12
Looping

• http//www.cs.wustl.edu/irfan/cst160/solutions/f3
  _6.c

13
Exercise

• Exercise 3.25
• Solution http//www.cs.wustl.edu/irfan/cst160/so
  lutions/p3_25.c

14
Assignments

• Reading Chapter 3
• Programming
• 2.16, 2.23, 2.30, 3.20