Draw pie chart in c++ program:
int main()
{
char cmd;
cout << "Chart desired: Pie Bar Scatter Line Three-D";
cout << "\n Press first letter of the chart you want: ";
cmd = toupper(getch());
cout << '\n';
if (cmd == 'P')
cout << "Doing pie chart\n";
else if (cmd == 'B')
cout << "Doing bar chart\n";
else if (cmd == 'S')
cout << "Doing scatter chart\n";
else if (cmd == 'L')
cout << "Doing line chart\n";
else if (cmd == 'T')
cout << "Doing 3-D chart\n";
else cout << "Invalid choice.\n";
return 0;
}