(Solved):If the following C++ code is valid, show the output. If it is invalid, explain why. current = temp- link; trail = list; temp = list- link; trail = temp; temp- link = current- link; current = trail-… View Answer…

 

Question

If the following C++ code is valid, show the output. If it is invalid, explain why.

current = temp->link;

trail = list;

temp = list->link;

trail = temp;

temp->link = current->link;

current = trail->link;

cout << trail->info << ” ” << current->info << endl;

 

EXPERT ANSWER

The given C++ code is invalid and has a lot of issues. To understand the issues better, let us consider the following cases

(1) If list is empty, the statement temp = list->link; will

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