Question

In: Computer Science

Write C++ void function called averageTemperature() that asks the user to enter integers with a sentinel...

Write C++ void function called averageTemperature() that asks the user to enter integers with a sentinel value of -999 to stop entering numbers. Then average the numbers and print the average.

You will need an int acculumator for the temperatures and an int acculumator for the number of temperatures entered. Use the accumulators to calculate the average which will need to be a decimal number.

Call the function from the main() function.

Solutions

Expert Solution

Answer:

#include<iostream>
using namespace std;
void averageTemperature() // function definition starts here
{
   float avg; // variable declaration
   int num,sum=0,count=0; /* 'count' is the int accumulator for number of temperatures, 'num' is the int accumulator for storing temperature*/
   cout<<"Enter temperatures to calculate the average (enter -999 to stop):";
   while(cin>>num) // reading the integer input from the keyboard and storing in 'num'
   {
       if(num!=-999) // if 'num' is not -999
       {
           sum += num; // performs the sum
           count++; // increments the count of the temperatures
       }
       else // if 'num' is -999
           break; // jumps out of while loop
   }
   avg = (float)sum/count; // calculating the average of temperatures
   cout<<"The average temperature is:"<<avg;   // displaying the average temperature
}
int main()
{
   averageTemperature(); // function call
   return 0;
}

Output:


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