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这个程序编译没异常但运行有一点小异

发布时间: 2012-04-26 14:01:31 作者: rapoo

这个程序编译没错误,但运行有一点小错误,希望大家帮我一把。
这个题的题目是这样的:
建立一个二维数组类Douary,使该类中有以下数据成员、成员函数及友员函数,完成矩阵的输入、输出、加、减、相等判断等操作。

C/C++ code
#include <iostream.h>class Douary{public:    Douary(int m, int n);//构造函数:用于建立动态数组存放m行n列的二维数组(矩阵)元素,并将该数组元素初始化为    ~Douary(); //析构函数:用于释放动态数组所占用的存储空间。    Douary(const Douary &d);//复制构造函数  //此处增加一个复制构造函数    friend istream &operator>>(istream &input, Douary &d);//重载运算符“>>”输入二维数组,其中d为Dousry类对象;    friend ostream &operator<<(ostream &output, Douary &d);//重载运算符“<<”以m行n列矩阵的形式输出二维数组,其中d为Douary类对象。    friend Douary operator+(const Douary &d1,const Douary &d2);//两个矩阵相加,规则:对应位置上的元素相加    friend Douary operator-(const Douary &d1,const Douary &d2);//两个矩阵相减,规则:对应位置上的元素相减    bool operator==(const Douary &d);//判断两个矩阵是否相等,即对应位置上的所有元素是否相等private:    int * Array;      //Array 为动态数组指针。    int row;          //row  为二维数组的行数。    int col;          //col   为二维数组的列数。};Douary::Douary(int m, int n)//构造函数:用于建立动态数组存放m行n列的二维数组(矩阵)元素,并将该数组元素初始化为  {      int s;    row=m;      col=n;    s=row*col;    if((m|n) != 0 )      {          Array=new int[s];          for (int i=0;i<s;i++)          {              *(Array+i) = 0;          }      }      else          Array = NULL;  }  Douary::Douary(const Douary &d)  {      row=d.row;      col=d.col;     int s=row*col;    Array = new int[s];      for(int j=0; j<s; ++j)          Array[j]=d.Array[j];    }  Douary::~Douary()  {      if (Array != NULL)      {          for (int i=0;i<(row*col);i++)          {              delete (Array+i);          }          delete []Array;          //Array = NULL;      }  }  istream &operator>>(istream &input, Douary &d)//重载运算符“>>”输入二维数组,其中d为Dousry类对象;  {      int s;    s=d.row*d.col;    //input>>d.row >>d.col ;      if((d.row|d.col) !=0)      {          int i;          for (i=0;i<s;i++)          {              input>>*(d.Array+i);         }            }      else      {        cout<<"您输入的数据有误!"<<endl;             }     return input;  }ostream &operator<<(ostream &output, Douary &d)//重载运算符“<<”以m行n列矩阵的形式输出二维数组,其中d为Douary类对象。  {      //output<<d.row <<'/'<<d.col <<endl;     for(int i=0; i<d.row; ++i)      {          for(int j=0; j<d.col; ++j)              cout<<*(d.Array+i*d.col+j)<<"\t";          cout<<endl;      }      cout<<endl;      return output;  }  Douary operator+(const Douary &d1,const Douary &d2)//两个矩阵相加,规则:对应位置上的元素相加  {      Douary d(d1.row,d1.col);    if (d1.row==d2.row && d1.col==d2.col)      {                  int s=d1.row*d1.col;        int j;         for(j=0;j<s;++j)          {              *(d.Array+j) = *(d1.Array+j)-*(d2.Array+j);         }      }      else      {          cout<<"d1和d2的行数与列数不相等!"<<endl;      }      return d;  }  Douary operator-(const Douary &d1,const Douary &d2)//两个矩阵相减,规则:对应位置上的元素相减  {      Douary d(d1.row,d1.col);    if (d1.row==d2.row && d1.col==d2.col)      {          int s=d1.row*d1.col;        int j;            for(j=0;j<s;++j)          {              *(d.Array+j) = *(d1.Array+j)-*(d2.Array+j);          }      }      else      {          cout<<"d1和d2的行数与列数不相等!"<<endl;      }      return d;  }  bool Douary::operator==(const Douary &d)//判断两个矩阵是否相等,即对应位置上的所有元素是否相等  {      bool bRet = false;      if (row==d.row && col==d.col)      {          int j;         int s=row*col;        for(j=0;j<s;++j)              if(*(d.Array+j)!=*(Array+j))                  return false;              bRet = true;      }      return bRet;  }  int main(){    Douary d1(2,3),d2(2,3);    cout<<"输入d1(2,3):"<<endl;    cin>>d1;    cout<<"输入d2(2,3):"<<endl;    cin>>d2;    cout<<"d1="<<endl;    cout<<d1;    cout<<"d2="<<endl;    cout<<d2;    cout<<"d1+d2="<<endl;    cout<<(d1+d2);    cout<<"d1-d2="<<endl;    cout<<(d1-d2);    cout<<"d1"<<((d1==d2)?"==":"!=")<<"d2"<<endl;        return 0;} 



[解决办法]
没释放,也会运行出错啊,唉,找了好久
[解决办法]
唉,找了半天没看析构函数,
[解决办法]
已经解决了??来迟了啊。

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