Question

Please fix these errors C++

In file included from main.cpp:14:0:
Inventory.h:1:0: error: unterminated #ifndef
 #ifndef INVENTORY_H_
 
main.cpp: In function ‘int main()’:
main.cpp:82:35: error: ‘adds’ was not declared in this scope
                    noun= adds(noun);
                                   ^
main.cpp:88:32: error: ‘display’ was not declared in this scope
                    display(noun);
                                ^
In file included from Inventory.cpp:4:0:
Inventory.h:1:0: error: unterminated #ifndef
 #ifndef INVENTORY_H_

----------------------------------------------------------------------------------

CODE: main.cpp

#include<iostream>
#include<string>
#include<vector>
#include "Inventory.h"

using namespace std;

int main()
{
Node * noun=NULL;
Node * verb=NULL;
int choice=0;
while(choice!=8)
{
cout<<"1. Push Noun\n";
cout<<"2. Pop Noun\n";
cout<<"3. Push Verb\n";
cout<<"4. Pop Verb\n";
cout<<"5. Concatenate\n";
cout<<"6. Add an s\n";
cout<<"7. Display Both Stacks\n";
cout<<"8. Exit\n";
cout<<"Enter your choice: ";
cin>>choice;
switch(choice)
{
case 1:
{
cout<<"Enter a noun: ";
string n;
cin>>n;
noun = push(noun,n);

  
}
break;
case 2:
{
cout<<"NOUN POPPED: ";
Node * t = pop(&noun);
if(t!=NULL)
cout<<t->data<<endl;
}
break;
case 3:
{
cout<<"Enter a verb: ";
string n;
cin>>n;
verb = push(verb,n);
  
}
break;
case 4:
{
cout<<"Verb POPPED: ";
Node * t = pop(&verb);
if(t!=NULL)
cout<<t->data<<endl;
}
break;
case 5: {
cout<<"Top two words on noun stack concatenated\n";
noun = concat(noun);
  
}
break;
case 6:
  
{
cout<<"Add s to the top word on noun stack\n";
noun = adds(noun);
}
break;
case 7:
{
cout<<"NOUN STACK\n";
display(noun);
cout<<"VERB STACK\n";
display(verb);
  
}
case 8:
{
}
break;
default: cout<<"Enter a valid choice\n";
  
}
}
return 0;
}

CODE: Inventory.cpp

#include<iostream>
#include<string>
#include<vector>
#include "Inventory.h"

using namespace std;

//display
void display(Node * head)
{
if(head==NULL)
{
  
return;
}
vector<string> stack;
Node * cur = head;
  
while(cur!=NULL)
{
stack.push_back(cur->data);
cur=cur->next;
}
for(int i = stack.size()-1;i>=0;--i)
{
cout<<stack.at(i)<<" ";
}
cout<<endl;
}

Node * adds(Node *head)
{
Node * top1 = pop(&head);
if(top1!=NULL)
{
//add s
string sol= top1->data + "s";
head=push(head,sol);
}
return head;
}

CODE: inventory.h

#ifndef INVENTORY_H_
#define INVENTORY_H_
#include<iostream>

using namespace std;

class Node
{
public:
string data;
Node * next;
Node()
{
data="";
next=NULL;
}
Node(string data)
{
data=data;
next=NULL;
}
};

Node * push(Node * head, string data)
{
if(head==NULL)
{
head=new Node();
head->data=data;
return head;
}
Node * cur = head;
while(cur->next!=NULL)
{
cur=cur->next;
}
Node * temp = new Node();
temp->data=data;
cur->next=temp;
return head;
}

Node * pop(Node ** h)
{
Node * head = *h;
if(head==NULL)
return NULL;
if(head->next==NULL)
{
  
Node * temp = head;
*h = NULL;
return temp;
}
Node * cur = head;
Node * prev = head;
  
while(cur->next!=NULL)
{
prev=cur;
cur=cur->next;
}
prev->next=NULL;

return cur;
}

Node * concat(Node * head)
{
Node * top1 = pop(&head);
Node * top2 = pop(&head);
  
if(top1!=NULL && top2!=NULL)
{
string solution = top1->data + top2->data;
head= push(head,solution);
  
}
return head;
}

Answer 1

CODE:

main.cpp :

Inventory.cpp :

Inventory.h :

OUTPUT:

RAW CODE:

main.cpp :

#include<iostream>
#include<string>
#include<vector>
#include "Inventory.h"
#include "Inventory.cpp" // add it
using namespace std;

int main()
{
Node * noun=NULL;
Node * verb=NULL;
int choice=0;
while(choice!=8)
{
cout<<"1. Push Noun\n";
cout<<"2. Pop Noun\n";
cout<<"3. Push Verb\n";
cout<<"4. Pop Verb\n";
cout<<"5. Concatenate\n";
cout<<"6. Add an s\n";
cout<<"7. Display Both Stacks\n";
cout<<"8. Exit\n";
cout<<"Enter your choice: ";
cin>>choice;
switch(choice)
{
case 1:
{
cout<<"Enter a noun: ";
string n;
cin>>n;
noun = push(noun,n);

  
}
break;
case 2:
{
cout<<"NOUN POPPED: ";
Node * t = pop(&noun);
if(t!=NULL)
cout<<t->data<<endl;
}
break;
case 3:
{
cout<<"Enter a verb: ";
string n;
cin>>n;
verb = push(verb,n);
  
}
break;
case 4:
{
cout<<"Verb POPPED: ";
Node * t = pop(&verb);
if(t!=NULL)
cout<<t->data<<endl;
}
break;
case 5: {
cout<<"Top two words on noun stack concatenated\n";
noun = concat(noun);
  
}
break;
case 6:
  
{
cout<<"Add s to the top word on noun stack\n";
noun = adds(noun);
}
break;
case 7:
{
cout<<"NOUN STACK\n";
display(noun);
cout<<"VERB STACK\n";
display(verb);
  
}
case 8:
{
}
break;
default: cout<<"Enter a valid choice\n";
  
}
}
return 0;
}

Inventory.cpp :

#include<iostream>
#include<string>
#include<vector>
#include "Inventory.h"
using namespace std;
//display
void display(Node * head)
{
if(head==NULL)
{
return;
}
vector<string> stack;
Node * cur = head;
  
while(cur!=NULL)
{
stack.push_back(cur->data);
cur=cur->next;
}
for(int i = stack.size()-1;i>=0;--i)
{
cout<<stack.at(i)<<" ";
}
cout<<endl;
}

Node * adds(Node *head)
{
Node * top1 = pop(&head);
if(top1!=NULL)
{
//add s
string sol= top1->data + "s";
head=push(head,sol);
}
return head;
}

Inventory.h:

#ifndef INVENTORY_H_
#define INVENTORY_H_
#include<iostream>
using namespace std;
class Node
{
public:
string data;
Node * next;
Node()
{
data="";
next=NULL;
}
Node(string data)
{
data=data;
next=NULL;
}
};
Node * push(Node * head, string data)
{
if(head==NULL)
{
head=new Node();
head->data=data;
return head;
}
Node * cur = head;
while(cur->next!=NULL)
{
cur=cur->next;
}
Node * temp = new Node();
temp->data=data;
cur->next=temp;
return head;
}
Node * pop(Node ** h)
{
Node * head = *h;
if(head==NULL)
return NULL;
if(head->next==NULL)
{
  
Node * temp = head;
*h = NULL;
return temp;
}
Node * cur = head;
Node * prev = head;
  
while(cur->next!=NULL)
{
prev=cur;
cur=cur->next;
}
prev->next=NULL;

return cur;
}

Node * concat(Node * head)
{
Node * top1 = pop(&head);
Node * top2 = pop(&head);
  
if(top1!=NULL && top2!=NULL)
{
string solution = top1->data + top2->data;
head= push(head,solution);
  
}
return head;
}
#endif // add it

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