数据结构作业1

Error_code copy_stack(Stack &dest,Stack &source)

{

Error_code detected=success;

Stack temp;

Stack_entry item;

while(detected==success&&!source.empty()}

{

detected=source.top(item);

detected=source.pop();

if(detected==success)detected=temp.push(item);

}

while (detected==success&&!temp.empty()

{

detected=temp.top(itemp);

detected=temp.pop();

if (detected==success)detected=source.push(item);

if (detected==success)detected=dest.push(item);

}

return detected;

}