// Written by Hosung Leo Kim

#include <iostream>

using namespace std;


void dumpCoeff( float coeff[10][11], int N )
{
  for ( int i = 0; i < N; i++ )
  {
    for ( int j = 0; j < ( N + 1 ); j++ )
    {
      cout.width(4);
      cout << coeff[i][j] << '\t';
    }
    cout << endl;
  }
} // dumpCoeff()



int main()
{
  float coeff[10][11];
  
  int N = 3;
  
  coeff[0][0] =  2;
  coeff[0][1] =  3;
  coeff[0][2] =  1;
  coeff[0][3] = 11;
  
  coeff[1][0] =  4;
  coeff[1][1] = -2;
  coeff[1][2] =  3;
  coeff[1][3] =  9;
  
  coeff[2][0] =  3;
  coeff[2][1] =  5;
  coeff[2][2] = -3;
  coeff[2][3] =  4;
  
  
  dumpCoeff( coeff, N );
  
  int i = 0;
  
  float divisor = coeff[0][0];
  
  for ( int j = 0; j < ( N + 1 ); j++ )
    coeff[i][j] /= divisor;
  
  cout << endl;
  dumpCoeff( coeff, N );
  
  return 0;
}

/*/homes/home30/hkim16/107> a.out
   2       3       1      11
   4      -2       3       9
   3       5      -3       4

   1     1.5     0.5     5.5
   4      -2       3       9
   3       5      -3       4
/homes/home30/hkim16/107>
*/