C语言 二维数组的程序实现

template

classBDArray{

Type**elements; intRow,Col;

voidgetArray();

public:

BDArray();

BDArray(intm;int n);

BDArray(constBDArray&A);

~BDArray();

int Length(inti);

BDArray&operator =(constBDArray&A); Type *&operator[](int**m,int n);

Type &operator[](int*m;int n);

}

voidBDArray:: getArray(){

element=new Type*[Row];

for(inti=0;i

elements[i]=new Type[Col];

}

BDArray::BDArray(){

Row=Col=0;

getArray();

}

BDArray::BDArray(intm;int n){

Row=m;Col=n;

getArray();

}

intBDArray::Length(inti){

swith(i){

case 1: return Row;

case 2:return Col;

default:cout<<"using this length function in wrong way"<

}

BDArray::~BDArray(){

for(inti=0;i

delete[]elements[i];

delete elements[];

}

BDArray&BDArray::operator =(constBDArray&A){ for(inti=0;i

delete[]elements[i];

delete elements[];

Row=A.Length（1）；Col=A.Length（2）；

getArray();

for(inti=0;i

{

elements[i]=A.element[i];

for(int j=0;j

elements[i][j]=A.element[i][j];

}

Return elements;

}

BDArray::BDArray(constBDArray&A){

B=BDArray(A.Length(1),A.Length(2));

B.getArray();

for(inti=0;i

{

B.elements[i]=A.element[i];

for(int j=0;j

B.elements[i][j]=A.element[i][j];

}

returnB;

}

Type*&operator[]BDArray::(int**m,int n) {

If(n<0||n>=Row){cout<<”wrong”<

returnm[n];

}

Type &operator[]BDArray::(int*m;int n) {

If(n<0||n>=Col){cout<<”wrong”<

returnm[n];

}