pochtiraboti

#include <iostream>
#define SIZE            (1000*1000)


item stack{ SIZE };
int count = 0;
int tos = -1;
int v;


struct item
{
	int key;
	void* data;
}

int main()
{
	while (key != 000) {
		printf("Enter a number:");
		scanf("%d", key);

		if (key > 0) {
			p = new item;
			p->key = key;
			//key = v;
			push(p);
		}
		else if (key < 0) {
			p = new item;
			p->key = key;
			//key = v;
			pop(p);
		}
	}
}

int push(item* v) {
	if (tos >= SIZE - 1) return -1;
	stack[++tos] = *v;
	return 0;
}

int pop(item* v) {
	if (tos < 0) return -1;
	*v = stack[tos--];
	return 0;
}