program8_03.c

[C语言入门经典(第4版)]整本书的源码！值得推荐！全部是最简单的源码！

/* Program 8.3 Average of two float values */
#include <stdio.h>

/* Definition of the function to calculate an average */
float average(float x, float y)
{
  return (x + y)/2.0f;
}

/* main program - execution always starts here */
int main(void)
{
  float value1 = 0.0F;
  float value2 = 0.0F;
  float value3 = 0.0F;

  printf("Enter two floating-point values separated by blanks: ");
  scanf("%f %f", &value1, &value2);
  value3 = average(value1, value2);
  printf("\nThe average is: %f\n",  value3);
  return 0;
}