Stack(Array).cpp

#include<iostream>

int main(){
    int a[50];
    int c=0;
    int top=-1,data;

    while(c<3){
        cout<<"1.Push\n2.Pop\n3.Exit\n";
        cin>>c;

        switch(c){
            case 1:
                top++;
                if(top>49){
                    top--;
                    cout<<"Overflow\n";
                }
                else{
                    cout<<"Enter Data\n";
                    cin>>a[top];
                    cout<<"Item Inserted\n";
                }
            break;

            case 2:
                if(top==-1){
                    cout<<"Underflow\n";
                }
                else{
                    top--;
                }
            break;

        }

        if(top!=-1){
            cout<<"Stack:\n";
            for(int i=top;i>=0;i--){
                cout<<"<-"<<a[i];
            }
            cout<<"\n";
        }

    }
    return 0;
}