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#include <iostream>
 
using namespace std;
 
// Base class
class nut 
{
   public:
      void setType(int almond, int walnut )
      {
         almond ;
         walnut;
      }
   protected:
      char type;
};
 
class almond_butter: public nut
{
 
   public:
      string getNutrient()
      {
        cout<<"Protein: 30g                                       "<<endl;	
      }
 
 
 
// Derived class
class almond: public nut
{
   public:
      string getType()
      { 
      int choice;
         cout<<" Choose type of nuts:"<<endl;
		 cout<<"1. Almond Butter"<<endl;
		 cout<<"2. Almond Milk"<<endl;
		 cin>>choice;
 
		 if(choice==1)
    {
        almond al;
        cout<<al.getNutrient()<<endl;
    }
		else if(choice==2)
		{
 
        cout<<"This is the type of almond"<<endl;
    	cout<<"                 			Almond Butter           "<<endl;
    	cout<<"Characteristics:                                  "<<endl;
    	cout<<"Details----------------------------------------------------------"<<endl;
    	cout<<"Protein: 30g                                       "<<endl;	
    	cout<<"Carbohydrates:28g	                                   "<<endl;
    	cout<<"Cholesterol: 0	                                   "<<endl;
    	cout<<"Calories:60cal					                    "<<endl;
    	cout<<"                 			Almond Milk             "<<endl;
    	cout<<"Characteristics:                                    "<<endl;
    	cout<<"Details---------------------------------------------------------"<<endl;
    	cout<<"Protein:  20                                     "<<endl;	
    	cout<<"Carbohydrates:20	                                   "<<endl;
    	cout<<"Cholesterol: 0	                                   "<<endl;
    	cout<<"Calories:   52 cal			                        "<<endl;
        }
 
 
    	else
    	{
    	cout<<"Invalid"<<endl;
        }
      }
 
};
 
int main(void)
{
    almond al;
    int choice;
         cout<<" Choose type of nuts:"<<endl;
		 cout<<"1. Almond Butter"<<endl;
		 cout<<"2. Almond Milk"<<endl;
		 cin>>choice;
 
		 	 if(choice==1)
    {
        almond al;
        cout << al.getType() << endl;
    }
		else if(choice==2)
		{
 
        cout<<"This is the type of almond"<<endl;
    	cout<<"                 			Almond Butter           "<<endl;
    	cout<<"Characteristics:                                  "<<endl;
    	cout<<"Details----------------------------------------------------------"<<endl;
    	cout<<"Protein: 30g                                       "<<endl;	
    	cout<<"Carbohydrates:28g	                                   "<<endl;
    	cout<<"Cholesterol: 0	                                   "<<endl;
    	cout<<"Calories:60cal					                    "<<endl;
    	cout<<"                 			Almond Milk             "<<endl;
    	cout<<"Characteristics:                                    "<<endl;
    	cout<<"Details---------------------------------------------------------"<<endl;
    	cout<<"Protein:  20                                     "<<endl;	
    	cout<<"Carbohydrates:20	                                   "<<endl;
    	cout<<"Cholesterol: 0	                                   "<<endl;
    	cout<<"Calories:   52 cal			                        "<<endl;
        }
 
 
    	else
    	{
    	cout<<"Invalid"<<endl;
        }
      }
 
    cout<< al.getType() <<endl;
 
   return 0;
}

prog.cpp: In member function ‘void nut::setType(int, int)’:
prog.cpp:11:17: warning: statement has no effect [-Wunused-value]
          almond ;
                 ^
prog.cpp:12:16: warning: statement has no effect [-Wunused-value]
          walnut;
                ^
prog.cpp: At global scope:
prog.cpp:116:5: error: ‘cout’ does not name a type
     cout<< al.getType() <<endl;
     ^
prog.cpp:118:4: error: expected unqualified-id before ‘return’
    return 0;
    ^
prog.cpp:119:1: error: expected ‘;’ after class definition
 }
 ^
prog.cpp: In member function ‘std::string almond_butter::getNutrient()’:
prog.cpp:25:7: warning: no return statement in function returning non-void [-Wreturn-type]
       }
       ^
prog.cpp: In member function ‘std::string almond_butter::almond::getType()’:
prog.cpp:44:18: error: ‘class almond_butter::almond’ has no member named ‘getNutrient’
         cout<<al.getNutrient()<<endl;
                  ^
prog.cpp:71:7: warning: no return statement in function returning non-void [-Wreturn-type]
       }
       ^
prog.cpp: In member function ‘int almond_butter::main()’:
prog.cpp:77:12: warning: unused variable ‘al’ [-Wunused-variable]
     almond al;
            ^
prog.cpp:114:7: warning: no return statement in function returning non-void [-Wreturn-type]
       }
       ^

Standard output is empty