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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
*18.19 (Sierpinski triangle) Revise Listing 18.9 to develop a program that lets the user use the + and – buttons to increase or decrease the current order by 1, as shown in Figure 18.12a. The initial order is 0. If the current order is 0, the Decrease button is ignored.
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(a)Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â (b)
FIGURE 18.12 (a) Programming Exercise 18.19 uses the + and – buttons to increase or decrease the current order by 1. (b) Programming Exercise 18.20 draws ovals using a recur- sive method.
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