Discussion
Which variable has the longest scope?
int b;
int main()
{
int c;
return 0;
}
int a;
Answer: B
Correct answer: b
Scope runs from the point of declaration onwards, so b, declared at the very top, is visible through the whole file - the longest scope of the three. a is declared at the bottom and so is visible almost nowhere, and c is local to main.
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