//DoubleLinkedList.cpp
//2011 12 22
//Daun
//넣고 출력하는기능밖에 없음
//넣고 출력하는기능밖에 없음
#include<iostream>
using namespace std;
class Node
{
public:
Node()
{
beforeNode=0;
afterNode=0;
num = 0;
}
int num;
Node *beforeNode;
Node *afterNode;
};
class Manage
{
public:
Manage()
{
firstNode = new Node;
newNode = new Node;
newNode->beforeNode = firstNode;
firstNode->afterNode = newNode;
}
void make(int temp)
{
Node *nowNode = firstNode;
nowNode = nowNode->afterNode;
while(nowNode->num != 0 )
nowNode = nowNode->afterNode;
Node *newNode = new Node;
nowNode->num = temp;
nowNode->afterNode = newNode;
newNode->beforeNode = nowNode;
}
void printFirst()
{
Node *nowNode = firstNode;
nowNode = nowNode->afterNode;
while(nowNode->num != 0 )
{
cout << nowNode->num << endl;
nowNode = nowNode->afterNode;
}
}
void printLast()
{
Node *nowNode = firstNode;
nowNode = nowNode->afterNode;
while(nowNode->num != 0 )
nowNode = nowNode->afterNode;
nowNode = nowNode->beforeNode;
while(nowNode->num !=0)
{
cout << nowNode->num << endl;
nowNode = nowNode->beforeNode;
}
}
private:
Node *firstNode;
Node *newNode;
};
int main()
{
int type;
Manage ma;
while(1)
{
type = 0;
cout << "press the type" << endl;
cout << "1 : insert, 2 : print from first , 3 : print from last" << endl;
cin >> type;
switch(type)
{
case 1:
int temp;
cout << "write the number without '0'"<<endl;;
cin >> temp;
ma.make(temp);
break;
case 2:
ma.printFirst();
break;
case 3:
ma.printLast();
break;
}
}
return 0;
}
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