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QUESTION 1 A queue is a data structure in which the elements are _ _ _ _ . a . added to and deleted from
QUESTION
A queue is a data structure in which the elements are
a
added to and deleted from the front
b
added to the rear and deleted from the front
c
added to and deleted from the rear
d
added and deleted in the middle
points
QUESTION
What is the output of the following code?
stackType stack;
int x y;
x ;
y ;
stack.push;
stack.pushx;
stack.pushx ;
y stack.top;
stack.pop;
stack.pushx y;
x stack.top;
stack.pop;
cout x x endl;
cout y y endl;
a
x
y
b
x
y
c
x
y
d
x
y
points
QUESTION
In the linked implementation of stacks, the memory to store the stack elements is allocated statically.
True
False
points
QUESTION
Assume the key of the left child below the root node of a binary search tree is The value in the root node could be
a
b
c
d
points
QUESTION
The sequence of operations in a postorder traversal is
a
visit; traverse left; traverse right
b
traverse left; traverse right; visit
c
traverse left; visit; traverse right
d
traverse left; traverse right
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