Stack_array_base.pp

#include <iostream>

using namespace std;

bool isEmpty(int top);
bool isFull(int top,int maxSize);
void push(int &top,int stack[],int item,int maxSize);
void pop(int &top,int stack[]);
void print(int top,int stack[]);

int main()
{
    int top=-1;
    int maxSize=5;
     int stack[maxSize];
     int item;
     int choice;
     cout << "======================================================" <<endl;
    cout << " \n Menu Driven Program & Stack array \n";
    cout << "======================================================" << endl << endl;

    do
    {
        cout << "|------------------------------------|" <<endl
             << "|  1- push a vlaue                   |" <<endl
             << "|  2- pop a value                    |" <<endl
             << "|  3- Exit                           |" <<endl
             << "|------------------------------------|" <<endl;
        cout << "Enter your choice : ";
        cin >> choice;

        switch(choice)
        {
            case 1:
                if(isFull(top,maxSize))
                {
                    cout << "stack is full: ";
                }
                else
                    {
               cout << "Enter item to be inserted: ";
               cin >> item;
               push(top,stack,item,maxSize);
               print(top,stack);
                    }
                break;

            case 2:
                 if(isEmpty(top))
                {
                   cout << "stack is empty\n ";
                   cout << "stack is empty\n ";
                   cout << "stack is empty\n ";
                   cout << "stack is empty\n ";
                }
                else
                {
                pop(top,stack);
                print(top,stack);
                }
                break;
        }
    }while (choice != 3 );
    return 0;
}
bool isEmpty(int top){
   if (top==-1){
    return true;
   }
   else
    return false;

    }
bool isFull(int top,int maxSize){
       if (top==maxSize-1){
        return true;}
        else{
            return false;
       }
}

void push(int &top,int stack[],int value,int maxSize){
    if (top==maxSize-1){

        cout<<"Stack is full"<<endl;
    }
    else{
        top=top+1;
        stack[top]=value;

    }
}
void pop(int &top,int stack []){
     if (top==-1){
        cout<<"underflow"<<endl;
     }
     else{

        stack[top]=0;
         top=top-1;
     }
}
void print(int top,int stack[]){

   for (int i=top;i>=0;i--){
     cout<<stack[i]<<endl;

   }
}

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