Why am I getting nothing printed by this program
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When I try to print the program I get nothing
Enter a list of integers ending with -999.
12 45 76 89 -999
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When I press "enter" to print the list
I get this:
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Process returned 0 (0x0) execution time : 89.943 s
Press any key to continue.
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Nothing printed.
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#include<iostream>
#include<cassert>
using namespace std;
struct nodeType
{
int info;
nodeType *link;
};
class linkedList
{
private:
nodeType *first;
nodeType *last;
int count;
public:
linkedList();
void print();
void display();
void buildListBackward();
};
linkedList::linkedList()
{
first = NULL;
count = 0;
}
void linkedList :: buildListBackward()
{
nodeType *first, *newNode;
int num;
cout << "Enter a list of integers ending with -999. "<< endl;
cin >> num;
first = NULL;
while (num != -999)
{
newNode = new nodeType; //create a node
assert (newNode != NULL);
newNode->info = num;
newNode->link = first;
first = newNode;
cin >> num;
}
}
void linkedList::print()
{
nodeType * current; //pointer to traverse the list
current = first; //set current point to the first node
while (current != NULL) //while more data to print
{
cout << current->info << " ";
current = current->link;
}
}
void linkedList::display() {
nodeType* ptr, *first;
ptr = first;
while (ptr != NULL) {
cout<< ptr->info <<" ";
ptr = ptr->link;
}
}
int main()
{
linkedList myList;
myList.buildListBackward();
// myList.display();
myList.print();
}
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