create graph using adjacency list
- by sum1needhelp
#include<iostream>
using namespace std;
class TCSGraph{
public:
void addVertex(int vertex);
void display();
TCSGraph(){
head = NULL;
}
~TCSGraph();
private:
struct ListNode
{
string name;
struct ListNode *next;
};
ListNode *head;
}
void TCSGraph::addVertex(int vertex){
ListNode *newNode;
ListNode *nodePtr;
string vName;
for(int i = 0; i < vertex ; i++ ){
cout << "what is the name of the vertex"<< endl;
cin >> vName;
newNode = new ListNode;
newNode->name = vName;
if (!head)
head = newNode;
else
nodePtr = head;
while(nodePtr->next)
nodePtr = nodePtr->next;
nodePtr->next = newNode;
}
}
void TCSGraph::display(){
ListNode *nodePtr;
nodePtr = head;
while(nodePtr){
cout << nodePtr->name<< endl;
nodePtr = nodePtr->next;
}
}
int main(){
int vertex;
cout << " how many vertex u wan to add" << endl;
cin >> vertex;
TCSGraph g;
g.addVertex(vertex);
g.display();
return 0;
}
