تطبيقات عملية تركيب البيانات وتصميم الخوارزميات 2

تطبيقات | تركيب البيانات وتصميم الخوارزميات  ... الجزء رقم 1

STACKS

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STACKS

#include <iostream>
using namespace std;
#define MAX 10 // MAXIMUM STACK CONTENT

class stack
{
private:
int arr[MAX]; // Contains all the Data
int top; //Contains location of Topmost Data pushed onto Stack

public:
stack() //Constructor
{
top=-1; //Sets the Top Location to -1 indicating an empty stack
}

void push(int a) // Push ie. Add Value Function
{
top++; // increment to by 1
if(top<MAX)
{
arr[top]=a; //If Stack is Vacant store Value in Array
}
else
{
cout<<"STACK FULL!!"<<endl;
top--;
}
}

int pop() // Delete Item. Returns the deleted item
{
if(top==-1)
{
cout<<"STACK IS EMPTY!!!"<<endl;
return NULL;
}
else
{
int data=arr[top]; //Set Topmost Value in data
arr[top]=NULL; //Set Original Location to NULL
top--; // Decrement top by 1
return data; // Return deleted item
}
}
};

int main()
{
stack a;
a.push(3);
cout<<"3 is Pushed\n";
a.push(10);
cout<<"10 is Pushed\n";
a.push(1);
cout<<"1 is Pushed\n\n";

cout<<a.pop()<<" is Popped\n";
cout<<a.pop()<<" is Popped\n";
cout<<a.pop()<<" is Popped\n";
return 0;}

المخرجات

OUTPUT:3 is Pushed
10 is Pushed
1 is Pushed
1 is Popped
10 is Popped
3 is Popped

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