QMCS 230: Today in Class

1
QMCS 230 Today in Class

• IF Statement
• Revisiting assignment statements
• Prep for Lab 5

2
IF Statements

• Whats the idea? Skipping steps
• Syntax if (test) thing-to-do
• If test fails, thing-to-do is skipped
• If it succeeds, its executed
• Relational operators
• lt and gt and lt and gt
• and !

3
Examples

• Rectangle x and y values
• make them the right order to calculate lengths
• Solving the problem
• Identify what you have to calculate
• Create one result variable for each calculation
• Decide if you have to accumulate results
• Step through the calculation, filling in the
  variables

4
Boat Problem Almost Lab 5

• Custom boat collect the length and width, number
  of seats
• Length is at least 3x width, fix width if wrong
• Length is no more than 5x width, fix width if
  wrong
• Number of seats is no more than 1/3 length
• Cost per seat is 53
• Boats cost is L x W x 87 cost of seats

5
Overview of Lab 5

• Calculating size and cost of custom shelving
• Collect shelf length and total length
• Fix the shelf length to meet the constraints
• Calculate the parts you need, rounding up

6
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