#include <stdio.h>
#include <math.h>
double func(double t, double x)
{
  return (1.0-2*x);
}
void main()
{
  double a, t, h, y0, yn;
  int i, n;
  n=16;
  a=0.0;
  h=1.0/16;
  t=0;	
  y0=2;
  for (i=1;i<=n; i++)
  {
   yn=y0+h*func(t,y0);
   /* Printout the raw output */
   printf("y(%f)=%10.7f\n", t+h, yn);
   y0=yn;
   t=t+h;
   }
}