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CS301 Current Midterm Paper Fall 2013 File 12



21: what is meant by pre-order traversal of binary search tree?? (2 marks)

23: decribe const int &g (int& var); (2 marks)

24: suppose we want a function to change the state of an object but we didn't want to send a copy to the function

25.the object could be large and copying it costly in terms of time.
which of the following is best solution to do this and why
1.we will use pointers
2.we will use pass by reference (3 marks)

26.About Trees 5 Marks Question
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