efunc.c
=======

#include <stdio.h>

main()
{
  int		i, n;
  float		min, max, x;
  float		minimum(float, float), maximum(float, float);
  void		prn_info(void);

  prn_info();
  printf("Input n: ");
  scanf("%d", &n);
  printf("\nInput %d real numbers: ", n);
  scanf("%f", &x);
  min = max = x;
  for (i = 2; i <= n; ++i) {
	scanf("%f", & x);
	min = minimum(min, x);
	max = maximum(max, x);
  }
  printf("\n%s%.3f\n%s%.3f\n\n",
	"Minimum value: ", min,
	"Maximum value: ", max);
}

void prn_info(void)
{
  printf("\n%s\n%s\n\n",
	"This program reads an integer value for n, and then",
	"processes n real numbers to find min and max values.");
}






float minimum(float x, float y)
{
  if (x < y)
	return x;
  else
	return y;
}

float maximum(float x, float y)
{
  if (x > y)
	return x;
  else
	return y;
}


Output:

This program reads an integer value for n, and then
processes n real numbers to find min and max values.

Input n: 5

Input 5 real numbers:   737.7799  -11.2e+3  -777    0.001    3.14159

Minimum value: -11200.000
Maximum value: 737.780