Stack

/// Lab task 6

#include<bits/stdc++.h>
using namespace std;

int stacks[2],maxstacks=2,top=-1;

void push(int iteam){
    if(top==maxstacks)
        cout<<"\nOverflow"<<endl<<endl;
    else{
        top++;
        stacks[top]=iteam;
    }
}
void pop(){
    int iteam;
    iteam = stacks[top];
    if(top>-1){
        printf("\nDelete data: %d\n\n", iteam);
        top--;
    }
    else
        printf("\nUnderflow\n\n");

}

void display(){
    int i;
    if(top>-1){
        cout<<"\nstacks all data: ";
        for(i=0; i<=top; i++)
            cout<<stacks[i]<<" ";
    }
    else
        cout<<"\nNULL"<<endl;
    cout<<"\n\n";
}
int main(){
    int opt,iteam,n;

    do{
        printf("\n1.Push");
        printf("\n2.Pop");
        printf("\n3.Display\n");
        printf("Enter the choice: ");
        cin>>opt;
        switch(opt){
        case 1:
            printf("Enter the valu: ");
            cin>>iteam;
            push(iteam);
            break;

        case 2:
            pop();
            break;
        case 3:
            display();
            break;
        default:
            cout<<"Again choise\n\n";
            break;
        }
    }while(opt);
    return 0;
}