Question

For the following Programming Challenges, use a modular approach and pseudocode to design a suitable program to solve it. Whenever appropriate, validate the input data.
Allow the user to enter a series of temperatures in degrees Celsius (C) terminated by the input of −999. For each one, find the corresponding temperature in degrees Fahrenheit (F). The conversion formula is:
F = 9 * C/5 + 32

Answer 1

program

#include<stdio.h>
#include<stdlib.h>
static int size=0;
static double a[100],b[100];
//input method to input the data
void input_celcius()
{
    int i=0;
    //input the data
    printf("Enter the temperature in celcius, input -999 to terminate");
//infinite loop for entering the data
while(1)
    {
       //read the data from user
       scanf("%lf",&a[i]);
    //validate the input data for terminate the loop
       if(a[i]==-999)
       break;
       //increment the index
       i++;
   }
   //update the size
   size=i;
   //disply the input data
   printf("\n The temperatures in celcius are : ");
   for(i=0;i<size;i++)
   printf("%8.2lf",a[i]);
}
//method to convert the temperature into farenhite
void farenhite()
{
    int i;
    //loop to convert the data to farenhite
    for(i=0;i<size;i++)
   b[i] = 9 * (double)a[i]/5 + 32;
   //display the converted data
      printf("\n The temperatures in Farenhite are : ");
   for(i=0;i<size;i++)
   printf("%8.2lf",b[i]);
   
}
//driver program
int main()
{
   input_celcius();
    farenhite();  
}

output