This month’s challenge is to calculate the number of quarters, dimes, nickels, and pennies required when given a specific dollar amount. It’s something fast food cashiers should know, but apparently they don’t! So maybe your solution to this exercise could help them.
Continue reading
Category Archives: Exercise
From Text to Integer
A program prompts for a value. The user types “12345” at the keyboard, but that input is a string and not the value 12,345. Therefore, the code must convert the string into a value. This task can be accomplished in a number of ways.
Continue reading
The Inverse Pyramid
Two things that seem to be difficult for a beginning C programmer are numbers and their formatted presentation. I admit: These things are difficult to understand. Therefore some practice is in order.
Continue reading
Hone Your Disk Drive C
Often times the problems you’ll encounter in C involve interface with something else. You’ll need to code directions for an operating system or interact with data that already exists or is output from some function. In this month’s exercise, you get to test-run those skills.
Continue reading
Show Me a Bar Chart
Computers are notorious for spewing out rows and columns of meaningless numbers. Sure, they have significance, but often your audience is more energized when they view something other than a dull table filled with values.
Continue reading
A Million Ways to Code in the West
Reply
Actually, it doesn’t matter west, east, north, or south, as multiple solutions exist for any programming puzzle.
Continue reading
One Word at a Time
A filter is a command line tool that takes input, modifies it, and generates output. This month’s Exercise is to create such a filter, one that takes text input and spews it out one word at a time.
Continue reading
Truncate Well That String
Nothing can be more disconcerting than text lopped off before the end of the li
Continue reading
A Simple Calculator
Of course computers can do math! Of course, programming has some math in it! Yet one reason that programmers are not necessarily geniuses at math is that it’s the computer that does the math, not the programmer. To prove that truth, why not code your very own calculator program?
Continue reading
The Multi-Dimensional Array Grid
Data is is just data. Organize that data and it becomes information. When it comes to organizing data in the C language, the first tool you probably learned was the array.
Continue reading