C：输出华氏-摄氏温度转换表;

#include <stdio.h>
int main(void){
  int fahr, lower, upper;
  float celsius;
  printf("Enter lower:");
  scanf("%d",&lower);
  printf("Enter upper");
  scanf("%d",&upper);

  if(lower<=upper){
    printf("farh celsius");
    for(farh=lower;farh<=upper;farh++){
      celsius=(5.0/9.0)*(farh-32);
      printf("%f%fn");
    }else
      printf("Invalid Value");

  return 0;
}