#include <stdio.h>

int main () {

  float  x[5] = {0.1, 1.2, 2.3, 3.4, 4.5};  
  float *p = x;                    

  printf( "x[3] = %f\n", x[3]);
  printf( "x + 3  = %f\n", x + 3 );
  printf( "*(p + 3) = %f\n", *(p + 3));


  return 0;
}