Что сказал линкер:
| Код |
Linking...
Main.obj : error LNK2019: unresolved external symbol "class std::basic_istream<char,struct std::char_traits<char> > & __cdecl operator>>(class std::basic_istream<char,struct std::char_traits<char> > &,class List<class NumString> &)" (??5@YAAAV?$basic_istream@DU?$char_traits@D@std@@@std@@AAV01@AAV?$List@VNumString@@@@@Z) referenced in function _main
C:\Documents and Settings\Tigo\Мои документы\Visual Studio 2005\Projects\Lab4\Debug\Lab1.exe : fatal error LNK1120: 1 unresolved externals
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Код собственно:
| Код |
#ifndef _List
#include <string.h>
#include <string>
#include <stdlib.h>
#include <iostream>
using namespace std;
template <class T>
struct Elem {
Elem<T> *Next; //Next element
T *Obj; //Object
};
template <class T>
class List {
int N; //Number of elements
Elem<T> *Head; //Head of list
public:
//Constructors
List(void);
List(T);
//Methods
void AddElem (T&, int); //Additional Elem to List by logical number
void DelElem (int); //Delete Elem by logical number
int Max (int); //Search maximum of elements
int Min (int); //Search minimum of elements
void Sort (void); //Sorting insets
Elem<T> *Get (int); //Get point to Elem by set number
//friend std::istream &operator>>(std::istream &,List<T> &);
friend std::istream &operator>>(std::istream &, List<T> &);
};
template <class T>
List <T>::List(T Obj)
{
N=1;
Head=new Elem<T>;
Head->Next=NULL;
Head->Obj=new T;
*(Head->Obj)=Obj;
};
template <class T>
List <T>::List(void)
{
N=0;
Head=NULL;
};
template <class T>
void List <T>::AddElem(T &AElem, int Num)
{
if (N==0) {
N=1;
Head=new Elem<T>;
Head->Next=NULL;
Head->Obj=new T;
*(Head->Obj)=AElem;
return;
}
if (N<Num) {
Elem<T> *p=Head;
for (;p->Next!=NULL;p=p->Next);
p->Next=new Elem<T>;
p->Next->Next=NULL;
p->Next->Obj=new T;
*(p->Next->Obj)=AElem;
N++;
return;
}
if (Num<=1) {
Elem<T> *q,*p=Head;
q=new Elem<T>;
q->Next=p;
Head=q;
q->Obj=new T;
*(q->Obj)=AElem;
N++;
return;
}
Elem<T> *q=Head,*p=q->Next;
for(int i=2;i<Num;i++,q=p,p=p->Next);
q->Next=new Elem<T>;
q->Next->Next=p;
q->Next->Obj=new T;
*(q->Next->Obj)=AElem;
N++;
return;
}
template <class T>
void List<T>::DelElem(int Num)
{
Elem<T> *q=Head,*p=q->Next;
if ((Num<1)||(Num>N)) return;
if (Num!=1) {
for (int i=2;i<Num;i++,q=p,p=p->Next);
delete p->Obj;
p=p->Next;
delete q->Next;
q->Next=p;
N--;
return;
}
delete q->Obj;
delete q;
Head=p;
N--;
return;
}
template <class T>
int List<T>::Max(int k)
{
int i,m=1;
if (Head==NULL) return NULL;
Elem<T> *q=Head,*p=q->Next;
for (i=1;p!=NULL&&i<k;p=p->Next,i++)
if (*(q->Obj)<*(p->Obj)) {
q=p;
m=i+1;
}
return m;
}
template <class T>
int List<T>::Min(int k)
{
int i,m=1;
if (Head==NULL) return NULL;
Elem<T> *q=Head,*p=q->Next;
for (i=1;p!=NULL&&i<k;p=p->Next,i++)
if (*(q->Obj)>*(p->Obj)) {
q=p;
m=i+1;
}
return m;
}
template <class T>
void List<T>::Sort(void)
{
for (int k=N;k>0;k--){
int m=Min(k);
T PObj;
PObj=*(Get(m)->Obj);
DelElem(m);
this->AddElem(PObj,N+1);
}
return;
}
template <class T>
Elem<T> *List<T>::Get(int k)
{
Elem<T> *q=Head;
if (k<1) return NULL;
for (int i=1;i!=k&&q!=NULL;q=q->Next,i++);
return q;
}
/*template <class T>
std::istream &operator>>(std::istream& IO, List<T> &Spisok)
{
*T Obj;
IO >> Obj;
Spisok.AddElem(Obj,0);
return IO;
}*/
template <class T>
std::istream &operator>>(std::istream &IO, List<T> &Spisok)
{
T Obj;
IO >> Obj;
Spisok.AddElem(Obj,0);
return IO;
}
#define _List
#endif
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Помогите чем сможете, пожалуйста =) Всем заранее спасибо |
