matr list del for int while ykaz del ykaz ykaz ykaz next delete del

~matr()
	{
		list *del;
		for (int i=0; i<N; i++)
			{
				while (ykaz[i])
				{
					del=ykaz[i];
					ykaz[i]=ykaz[i]->next;
					delete del;
				}
			}
	}