#ifndef GRAPH_H#define GRAPH_Hclass Graph {    public:        Graph(char ch, int n);           void draw();         private:        char symbol;        int size;};#endif#include "graph.h" #include 
     
      using namespace std; Graph::Graph(char ch, int n): symbol(ch), size(n) {}void Graph::draw() {    int i, j, k;    for(i=1;i<=size;i++)    {        for (j = 1; j <= size - i; j++)            cout << " ";        for (k = 1; k <= 2 * i - 1; k++)            cout << symbol;        cout << endl;    }}#include 
      
       #include "graph.h"using namespace std;int main() {    Graph graph1('*',5);    graph1.draw();        system("pause");    system("cls");        Graph graph2('$',7);    graph2.draw();    system("pause");        return 0; }