编辑代码

#include <iostream>
using namespace std;
int main() 
{
    int i,j,x;
    int aaa[3][4]={1,2,3,4,5,6,7,8,9,10,11,12};
    for(i=0;i<3;i++)
    {
        for(j=0;j<4;j++)
        {
            cout<<aaa[i][j]<<"   ";//打印原数组  
        }cout<<endl;
    }
    
    cout<<endl;

   for(i=0;i<2;i++)
   {
      for(j=0;j<4;j++)
        {
          if(i*j<2)
            { x=aaa[i][j];
              aaa[i][j]=aaa[2-i][3-j];//倒序
              aaa[2-i][3-j]=x;
            }
            else continue;
        }
    }

   for(i=0;i<3;i++)
   {
      for(j=0;j<4;j++)
       {
         cout<<aaa[i][j]<<"   ";//打印倒序后的数组
       } cout<<endl;
   }

   return 0;
}