You may find my solution for this month’s Exercise to be more complex than necessary, but there’s a method to my madness.
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A chessboard is merely a two-dimensional array — a matrix — one where the rows and columns are the same size. As long as you can write code to output an 8-by-8 board, you can modify the code to reset the board’s size to any value.
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This month’s Exercise was to create a cycle of numbers, values that repeat within a certain range. Of all the Exercises presented so far on this site, this one probably has the greatest number of solutions.
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This month’s Exercise required you to create three rounding functions: roundup(), rounddown(), and roundhalf(). Each one deals with a floating-point value in a specific way, but they all handle the basic rounding chore by typecasting a floating point variable to an integer.
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If you attempted to compile the code skeleton for this month’s Exercise, you most likely stumbled across the first problem to solve: The average() function requires a type.
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To solve this month’s Exercise you had to figure out a way to divvy up a dollar amount into the proper number of quarters, dimes, nickels, and pennies. As with many programming puzzles, a number of ways exist to code a solution. Click here to view mine.
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This month’s Exercise is to code a function that converts a string of text numbers into an integer value. If you used the skeleton provided, then your program’s output would look like this:

The string 24680 represents value 24680.

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The task for this month’s Exercise was to create code that outputs an inverse number pyramid.

Here’s what such a thing looks like:

0000000000
999999999
88888888
7777777
666666
55555
4444
333
22
1

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