CS2143-2144 Data Structures Spring 2012
Quiz # 2 (21 February 2012)
Time 10 Minutes
Max. Marks 10
Name: Reg. No: ___
Carefully see the following class definition. Explain line by line what is being done in the
code. Highlight if there is any problem in the definition / implementation and correct it.
class stack
{
protected:
int *ptr;
unsigned int size ;
unsigned int top;
public:
stack(unsigned S) {
ptr= new int[S];
top=0;
size=S;
}
int push(int value)
{
if (top>=s)
{
cout<<"FALSE";
return 0;
}
else{
ptr[top]=value;
top++;
}
}
int pop()
{
if (top==0)
{
cout<<"CANT GET THE VALUES";
return 0;
}
else
{
int C;
val=ptr[top];
--top;
return C;
}
} };
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