Stack push display pop

#include <iostream>
#include <stdlib.h>

using namespace std;

struct Node
{
    int data;
    struct Node* next;
};

Node* head = NULL;

void push(int x)
{
    Node *t = (struct Node*)malloc(sizeof(struct Node));
    t->data = x;
    t->next = head;
    head = t;
};

void Display(struct Node *p)
{
    while(p!=NULL)
    {
        cout << p->data << endl;
        p = p->next;
    }
}
void pop(int n)
{
    for(int i =0; i<n; i++)
    {
        Node *t = (struct Node*)malloc(sizeof(struct Node));
        t = head;
        head = head -> next;
        delete t;
    }
}
int main()
{
    push(10); push(0);
    Display(head);
    pop(1);
    Display(head);
}