1. Stack ¶
- μ€ν(Stack) : λμ€μ λ€μ΄μ¨κ² λ¨Όμ λκ°. λ°μ λ§ν μκ³ μλ§ λ«λ € μλ ν΅μ΄λΌκ³ μκ°νλ©΄ λ¨. λ°μ λλ €λ΄κ³ κΊΌλΌμλ μλ λ
Έλ¦μ΄λ μ§μ΄λ£μλλ μλ‘, λΊλλ μλ‘ λΉΌμΌκ² μ Έ?^^;;
- top ν¬μΈν°λ 맨 λμ€μ μ§μ΄ λ£μ λ
Έλλ₯Ό κ°λ₯΄ν΄.
- λ°λΌμ λ°μ΄ν°κ° μΆκ°λκ±°λ μμ λ λλ§λ€ topν¬μΈν°κ° λ³νκ² μ£ ?^^;;
1.1. λ°°μ΄λ‘ μ§ μ€ν ¶
~cpp
class Stack
{
enum {Size=100};
private:
int data[Size];
int top;
bool IsEmpty();
bool IsFull();
public:
Stack() { top=-1; }
bool Push(int ndata);
bool Pop();
void Show();
~Stack() {}
};
bool Stack::IsEmpty()
{
if(top==-1)
return true;
return false;
}
bool Stack::IsFull()
{
if(top==Size-1)
return true;
return false;
}
bool Stack::Push(int ndata)
{
if(!IsFull())
{
data[++top]=ndata;
return true;
}
else
{
cout<<"κ½ μ°Όλ€";
return false;
}
}
bool Stack::Pop()
{
if(!IsEmpty())
{
top--;
return true;
}
else
{
cout<<"λΉμλ€";
return false;
}
}
void Show()
{
int temp=top;
while(temp!=-1)
cout<<data[temp--];
}
1.2. Linked Listλ‘ λ§λ Stack ¶
~cpp
class Stack
{
private:
struct Node
{
int m_nData;
Node* m_pPrev;
};
Node* Head; // μ무κ²λ μλ ν€λ λ
Έλ νλ μμ±(μκ² μμΌλ©΄ μμ² νΈν¨!)
Node* top;
bool IsEmpty();
public:
Stack();
void Push(int x);
void Pop();
void Show();
~Stack();
};
Stack::Stack()
{
Head=new Node;
Head->m_pPrev=NULL;
top=Head;
}
void Stack::Push(int x)
{
Node* temp=new Node;
temp->m_nData=x;
temp->m_pPrev=top;
top=temp;
}
bool Stack::Pop()
{
if(!IsEmpty())
{
Node* temp=top->m_pPrev;
delete top;
top=temp;
return true;
}
else
{
cout<<"λΉμλ€";
return false;
}
}
void Stack::Show()
{
Node* temp=top;
while(!IsEmpty())
{
cout<<top->m_nData<<endl;
top=top->m_pPrev;
}
top=temp;
}
bool Stack::IsEmpty()
{
if(top==Head)
return true;
return false;
}
Stack::~Stack()
{
while(!IsEmpty())
{
Pop();
}
delete Head;
}










