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#include <iostream>
#include <iomanip>
#include <limits>
using namespace std;
// Metabolic equivalent of tasks (mets) are listed, and are global constants..
const float RUNNING = 10.0f, BIKING = 8.0f, LIFTING = 3.0f, YOGA = 2.5f;
int main()
{
// variables are listed.
float weight = 0, weightKG = 0, calories = 0; // weight is initially in pounds (lbs)
float MET = 0, activityTime = 0;
int activityChoice = 0, minutes = 0;
bool flag = 1; //Used later for data validation.
cout << "Welcome to Song's Fitness Center." << endl;
do // do while loop for weight data validation.
{
cout << "Please input your weight in pounds: ";
cin >> weight;
weightKG = weight / 2.2;
flag = 0;
if (cin.fail() || (weight < 1 || weight > 999)) //Checks if data entered if correct.
{
cin.clear();
cin.ignore(std::numeric_limits<std::streamsize>::max(),'\n');
cout << "You weight must be positive number between 1 and 999." << endl;
flag = 1;
}
} while (flag); //Checks if the loop needs to be repeated.
do // do while loop for activity data validation.
{
cout << "____________________________________________" << endl
<< "|Please input activity type, you may choose|" << endl
<< "|1 for Running, |" << endl
<< "|2 for Biking, |" << endl
<< "|3 for Lifting, |" << endl
<< "|4 for Yoga, |" << endl
<< "|5 for End. |" << endl
<< "|------------------------------------------|" << endl
<< " " << endl
<< "Please input the activity you wish to track: " << endl;
cin >> activityChoice;
flag = 0;
switch (activityChoice) //Switch statement for picking which exercise the user did.
{
case 1:
MET = RUNNING;
do // do while loop for minute input data validation.
{
cout << "Please enter the amount of time spent doing activity in minutes between 30 and 60: ";
cin >> minutes;
activityTime = minutes / 60;
flag = 0;
if (cin.fail() || (minutes < 30 && minutes > 60))
{
cin.clear();
cin.ignore(std::numeric_limits<std::streamsize>::max(),'\n');
cout << "Please enter a number between 30 and 60." << endl;
flag = 1;
}
} while (flag); //Checks if the loop needs to be repeated.
// The equation for calories burned is declared.
calories = activityTime * MET * weightKG;
//Outputs the answer with a fixed position at 1 decimal point.
cout << fixed << setprecision(1) << calories << " calories
burned." << endl;
if (calories >= 0)
{
if (calories >= 0 && calories <= 200)
{
cout << "Light-Intensity aerobic activity.\n";
}
else if (calories >= 201 && calories <= 500)
{
cout << "Moderate-intensity activity.\n";
}
else
{
cout << "Vigorous-intensity aerobic activity.\n";
}
}
flag = 1;
break;
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