#include <iostream.h>
#include <stdlib.h>
//-------------------------------------------------------------------
//     Random Matrix and Upper Diagonal Matrix
//      by Ching-Han Chen
//      2006-03-14
//--------------------------------------------------------------------
void main()
{
   float A[5][5];
   int i,j;
   cout<<"5x5 Random Matrix :\n";
   for(i=0;i<5;i++)
   {
      for(j=0;j<5;j++)
      {
         A[i][j]=float(rand()%10000)/9999.0;
         cout<<A[i][j]<<"\t";
      }
      cout<<endl;
   }
   cout<<"Upper Diagonal Matrix :\n";
   for(i=0;i<5;i++)
   {
      for(j=0;j<5;j++)
      {
        if(i>j) A[i][j]=0;
         cout<<A[i][j]<<"\t";
      }
      cout<<endl;
   }
}