学步园

// New2DArray.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
//int *arr; //it can be any other type (char, float) 
//arr = new int[n]; //n should be integer variable 
#include <iostream.h>
void main()
{
int **arr; 
int N,M; 
cout<<"请输入行数、列数:";
cin >> N >> M; 

arr = new int*[N]; 
for(int i=0;i<N;i++)
{
   arr[i] = new int[M]; 
} 

for(i=0;i<N;i++)
{
   for(int j=0;j<M;j++)
   {
    arr[i][j]=10*i+j;
    //cout<<arr[i][j]<<" ";
   }
   //cout<<endl;
}

for(i=0;i<N;i++)
{
   for(int j=0;j<M;j++)
   {
    //arr[i][j]=2;
    cout<<arr[i][j]<<" ";
   }
   cout<<endl;
}
cout<<endl;

}