# Homework 03: Variables and I/O

Name: _____________________________________________ Alpha: ___________________

• Due before class on Wednesday, January 18
• This homework contains code to be submitted electronically. Put your code in a folder called hw03 and submit using the 204sub command.
• This is an electronic homework and you do not need to print out anything to turn in during class.

# Assignment

1. Required reading: Section 3: Data representation and Section 4: I/O and type conversions from the Unit 2 class notes.
2. Write a program in a file called checkout.c that does a very simple grocery store checkout: it should read in the name of an item, the cost of that item, and how many of that item someone is buying. Then your program should print out a line like 5 apples cost $3.55 showing the total cost. Example of running your program: roche@ubuntu$ gcc checkout.c -o checkout
roche@ubuntu$./checkout Example input typed in to your program: tacos 1.22 3 Example output from your program: 3 tacos cost$3.66

Submit your program in a file called checkout.c using the online submission system.

Hint: Check out the C functions reference page for a quick reference on how to use the input/output commands you'll need.

Hint: The submit instructtions show how to submit code for the assignments in this class.