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#include <iostream>
#include <cstring>
using namespace std;
#define Max_weeks 100
int getNumberofweeks();
int getGallonsamount(int,float*);
int getMilesamount(int,float*);
void CalcAverage(float[],int,float[]);
float Gallons[Max_weeks];
float Miles[Max_weeks];
float MPG[Max_weeks];
void display(int);
void main()
{
int Numweeks;
Numweeks = getNumberofweeks();
getGallonsamount(Numweeks, Gallons);
getMilesamount(Numweeks, Miles);
CalcAverage(Gallons,Numweeks,Miles);
display(Numweeks);
cin.ignore(2);
}
int getNumberofweeks() // functions that gets total number weeks
{
int weekInput;
cout << "Enter the number of weeks: ";
cin>>weekInput;
cout<<endl;
return weekInput;
}
int getGallonsamount (int count , float *MPG) // function that gets amount of gallons
{
cout<<endl;
for (int Gallons = 0; Gallons <count; ++Gallons)
{
cout << "enter amount of gallons for "<< Gallons+1 <<": ";
cin >> *MPG;
MPG++;
}
cout<<endl;
return 0;
}
int getMilesamount (int count , float *MPG) // function that get average miles
{
cout<<endl;
for (int Miles = 0; Miles <count; ++Miles)
{
cout << "enter amount of miles for "<< Miles+1 <<": ";
cin >> *MPG;
MPG++;
}
cout<<endl;
return 0;
}
void CalcAverage(float Gallons[],int count, float Miles[]) // function that calculates MPG
{
for (int week = 0; week < count; week++)
{
MPG[week] = (Miles[week]) / (Gallons[week]);
}
}
void display(int count) // function that display the mark details along with total average
{
float TotalGallons=0.0;
float TotalMiles=0.0,TotalMPG=0.0; // variables for finding total
float AvgMPG; // variables for finding average
cout<<"\n\nWeek of"<<"\t\t"<<"Gallons"<<"\t"<<"Miles"<<"\t\t"<<"MPG"<<endl;
string week[4] = {"February 4", "February 11","February 18","February 25"};
for(int week=0; week<count ; week++)
{
cout<<week+1<<"\t\t"<<Gallons[week]<<"\t"<<Miles[week]<<"\t\t"<<MPG[week]<<endl;
TotalGallons = TotalGallons + Gallons[week];
TotalMiles = TotalMiles + Miles[week];
TotalMPG = TotalMPG + MPG[week];
}
{
AvgMPG = TotalMPG / count;
cout<<"\n Total Gallons :"<<TotalGallons;
cout<<"\n Total Miles :"<<TotalMiles;
cout<<"\n Average MPG :"<<AvgMPG;
}
}
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