C++程序设计实践指导1.2二维数组的操作运算改写要求实现

改写要求1：改写为以单链表表示二维数组

#include <cstdlib>

#include <iostream>



using namespace std;

    struct LinkNode

      {

             int Row;

             int Column;

             int Data;

             LinkNode *next;

             };

class MATRIX

{

      int m;

      int sum;

  

             

      public:

       struct LinkNode* creat(int x[][40],int k)

             {

                        m=k;

                       LinkNode *pHead = new LinkNode;

                        pHead->next = NULL;

                        LinkNode* p = pHead;

                        for(int i=0;i<k;i++)

                        for(int j=0;j<k;j++)

                         {

                            LinkNode* pNewNode = new LinkNode;

                            pNewNode->Row = i;

                            pNewNode->Column = j;

                            pNewNode->Data = x[i][j];

                            pNewNode->next = NULL;

                            p->next = pNewNode;

                            p = pNewNode;

                         }

                        sum=0;

                        return pHead;

             }

                          

             void process(LinkNode* pHead);

             void show(LinkNode* pHead)

             {

                  int i=0;

                  LinkNode* p = pHead;

                  p=p->next;

                  while(p)

                  {                       

                  cout<<p->Data<<"\t";

                  p=p->next;

                  i++;

                  if(i%4==0)

                  cout<<endl;

                  }

                  cout<<"sum="<<sum<<endl;

             }

      };

void MATRIX::process(LinkNode* pHead)

{

        LinkNode* p = pHead;

        p=p->next;

        while(p)

        {

         if((p->Row==p->Column)||(p->Row+p->Column==m-1))

                   continue;

                   sum+=p->Data;

        } 

}

int main(int argc, char *argv[])

{

    int b[40][40]={{1,1,1,1},{1,2,2,1},{1,2,2,1},{1,1,1,1}};

    LinkNode *pHead=new LinkNode;

    MATRIX mtx;

    pHead=mtx.creat(b,4);

    mtx.process(pHead);

    mtx.show(pHead);

    system("PAUSE");

    return EXIT_SUCCESS;

}