Добрый вечер, помогите переделать код с двусвязного на односвязный, никак не получается... спасибо...
| C++ |
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| #include "stdafx.h"
#include <iostream>
#include <conio.h>
using namespace std;
struct Node
{
char x;
Node *Next,*Prev;
};
class List
{
Node *Head,*Tail;
public:
List():Head(NULL),Tail(NULL){};
~List();
void Show();
void Add(char x);
void Del();
};
List::~List()
{
while (Head)
{
Tail=Head->Next;
delete Head;
Head=Tail;
}
}
void List::Add(char x)
{
Node *temp=new Node;
temp->Next=NULL;
temp->x=x;
if (Head!=NULL)
{
temp->Prev=Tail;
Tail->Next=temp;
Tail=temp;
}
else
{
temp->Prev=NULL;
Head=Tail=temp;
}
}
void List::Show()
{
Node *temp=Head;
while (temp!=NULL)
{
cout<<temp->x;
temp=temp->Next;
}
cout<<endl;
}
void List::Del()
{
string y;
Node *temp=Head;
while (temp!=NULL)
{
y=temp->x;
for(int i=0;i<sizeof(y);i++)
{
if (y[i]==39)
{
temp->Prev->Next=temp->Next;
temp->Next->Prev=temp->Prev;
delete temp;
}
}
temp=temp->Next;
}
}
int main()
{
List p;
char a[50],b[50];
int i,j,st=0;
for(i = 0;i<50;i++)
{
a[i] = NULL;
b[i] = NULL;
}
gets_s(a);
if(a[0] == 'e' || a[0] == 'y' || a[0] == 'u' || a[0] == 'i' || a[0] == 'o' || a[0] == 'a')
{
for(i = 0, j = 0; i<strlen(a);i++)
{
if (a[i] == ' ' && a[i+1] != 'e' && a[i+1] != 'y' && a[i+1] != 'u' && a[i+1] != 'i' && a[i+1] != 'o' && a[i+1] != 'a')
st = 1;
if(st == 1)
{
b[j] = a[i];
j++;
}
if(a[i] == ' ' && (a[i+1] == 'e' || a[i+1] == 'y' || a[i+1] == 'u' || a[i+1] == 'i' || a[i+1] == 'o' || a[i+1] == 'a'))
st = 0;
}
}
else
{
st = 1;
for(i = 0, j = 0; i<strlen(a);i++)
{
if (a[i] == ' ' && a[i+1] != 'e' && a[i+1] != 'y' && a[i+1] != 'u' && a[i+1] != 'i' && a[i+1] != 'o' && a[i+1] != 'a')
st = 1;
if(st == 1)
{
b[j] = a[i];
j++;
}
if(a[i] == ' ' && (a[i+1] == 'e' || a[i+1] == 'y' || a[i+1] == 'u' || a[i+1] == 'i' || a[i+1] == 'o' || a[i+1] == 'a'))
st = 0;
}
}
for(i = 0; i<strlen(a);i++)
p.Add(b[i]);
p.Show();
system("Pause");
} |
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