$$ Canteen Billing System Without Using Data Structure /* Name: Canteen Bill Software. Copyright: Self made Author: Ketan Kulkarni. Date: 08-12-19 13:47 Description:Without using data structure and using simple C++,Canteen bill software. */ #include<iostream> #include<stdlib.h> #include<ctime> using namespace std; class soft { int a,d,flag; int z; int m,n,h,x; public: soft() { n=x=1; flag=0; } void accept(); void just(); void total(); void pay(); void final(); }; void soft::accept() { cout<<" Enter key"; cin>>a; if(a==0) { flag=0; } else if(a==1) { flag=1; } else if(a==2) { flag=2; } else if(a==3) { flag=3; } else if(a==4) { flag=4; } else if(a==5) { flag=5; } else if(a==...