Answer:
ASA
Step-by-step explanation:
none needed [=
Franck's answer is better (using ~), but I just wanted to point out that the conditional in yours is slightly redundant. It's easy to forget that, since you already have a boolean value, you don't need to perform a comparison in your conditional. So you could have just done this...
<span>if x
x = false;
else
x = true;
<span>end</span></span>
2^4-1 so 2•2•2•2=16 and 16-1 is 15
Xavier
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good luck :)