Question

A closer look at functions - C++

C option: (The best grade is a 79%) Write a program to calculate the cost and time it takes to fill a swimming pool . Inputs: Length, Width, and Depth of the pool (This is a gross simplification, since pools are not really rectangular cubes.) Fill rate of the pool in Gallons per minute Calculation functions Write a function to calculate the total cubic feet (Length x Width x Depth) and return the cubic feet. Inputs: Write a function to calculate the number of gallons 1 cubic foot- 7.48051948 US gallons (Create a constant to hold the conversion factor.) Input: Cubic Feet Write a function to calculate the cost to fill the pool as follows o Length, Width, and Depth Return cubic feet o Return Gallons o Calculate 1000's of gallons by dividing the total gallons by 1000 and putting the result in an integer variable Use the following table to generate the cost Monthly Usage)Monthly Rate) Input: Gallons Return Cost to 3,000 gallons $15.50 2.90 per thousand .Call your functions from main0 Outputs bove the 3000 If there is an xcess above 3,000 gallons plus $15.50 (ie 15.50 +2.90 * # . allons o Total cubic feet o Total gallons o Cost o Time to fill in minutes f thousand gallons r 3 thousand A option: (The best grade is a 100%) Note: No B option on this one Combine the functions to calculate the cubic feet and number of gallon. . o Inputs to the function: Length, Width, Depth o Outputs (via reference variables): Cubic Feet, Gallons Example Prototype void PoolSize(float Length, float Width, float Depth, float &CubicFeet, float &Gallons); » Write a function that calculate the time to fill as follows o Inputs to the function: Gallons o Outputs (via reference variables): Hours and Minutes Example Prototype void FillTime(float Gallons, float FillRate, ,float &Hours, float &Minutes); Turn in Program listing of your source code, ZIP and screen prints of the following run: Length 25 Width 12 Depth 8 Fill Rate 10 gallons a minute

Answer 1

#include <iostream>
using namespace std;

// Declaring gloabal constant
const double FOOT = 7.48051948;

// Function declarations
float CalCubicfeet(float length,float width,float depth);
float calgallons(float cubicFeet);
float costToFillPool(float noOfGallons);
int main()
{
// Declaring variables
float length, width, depth,FillRate;
int fillTime;
// Getting the input entered by the user
cout<<"Enter length:";
cin>>length;

cout<<"Enter width:";
cin>>width;

cout<<"Enter depth:";
cin>>depth;

cout<<"Enter Fill Rate :";
cin>>FillRate;

// calling the functions
float cubicFeet = CalCubicfeet(length, width, depth);
float totalGallons = calgallons(cubicFeet);
float cost = costToFillPool(totalGallons);

fillTime=totalGallons/10;
// Displaying the output
cout<<"Total Cubic Feet :"<< cubicFeet<<endl;
cout<<"Total Gallons :"<<totalGallons<<endl;
cout<<"Cost :%.2f $"<<cost<<endl;
cout<<"Fill Time "<<fillTime<<" minutes"<<endl;

return 0;
}

// This function calculate the cubic feet
float CalCubicfeet(float length,float width,float depth)
{
return length * width * depth;
}

// This function calculate the total gallons
float calgallons(float cubicFeet)
{
return cubicFeet * FOOT;
}

// This function calculate the cost to fill the pool
float costToFillPool(float noOfGallons)
{
int n = noOfGallons / 1000;
if (n >= 0 && n <= 3)
{
return 15.50;
}
else if (n > 3)
{
return 15.50 + (n - 3) * 2.90;
}
}

_________________

Output:

C:Program Files -6o)1Dey- pp MinGW6abetalonsFilfimeinMinutes ee Enter length:25 Enter width:12 nter depth:8 Enter Fill Rate 10 Total Cubic Feet 2400 Total Gallons :17953.2 Cost :%.2f $56.1 Fill Time 1795 minutes Process exited after 5.347 seconds with return value 0 Press any key to continue . - .

________________

#include <iostream>

using namespace std;

// Declaring gloabal constant

const double FOOT = 7.48051948;

// Function declarations

void PoolSize(float length, float width, float depth,float &cubicfeet,float &gallons);

void FillTime(float gallons,float FillRate,float &Hours,float &Minutes);

int main()

{

// Declaring variables

float length, width, depth;

float cubicfeet,gallons,hours,minutes;

int FillRate;

// Getting the input entered by the user

cout<<"Enter length:";

cin>>length;

cout<<"Enter width:";

cin>>width;

cout<<"Enter depth:";

cin>>depth;

cout<<"Enter Fill Rate :";

cin>>FillRate;

  

// calling the functions

PoolSize(length, width, depth,cubicfeet,gallons);

FillTime(gallons,FillRate,hours,minutes);

// Displaying the output

cout<<"Total Gallons :"<< gallons<<endl;

cout<<"Fill Time :"<<hours<<" hours and "<<minutes<<" minutes"<<endl;

return 0;

}

// This function calculate the cubic feet

void PoolSize(float length, float width, float depth,float &cubicfeet,float &gallons)

{

cubicfeet=length * width * depth;

gallons=cubicfeet * FOOT;

}

//This function will calculate the tank fill time

void FillTime(float gallons,float FillRate,float &Hours,float &Minutes)

{

int Mins=gallons/FillRate;

Hours=Mins/60;

Minutes=Mins-(Hours*60);

}

________________

Output:

CAProgram Files (x86) Dev-Cpp\MinGW64 bin\TankFillTimeInC+ + Language.exe nter length:25 nter width:12 nter depth:8 nter Fill Rate 10 Total Gallons 17953.2 Fill Time 29 hours and 55 minutes Process exited after 5.675 seconds with return value 0 Press any key to continue .. .

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