my output keeps putting out monday for everything need help with this, kinda confused on what im dooing
#include <iostream>
#include <iomanip>
using namespace std;
void displayTitle();
int getMonth(int month);
int getDay(int day);
int getYear(int year);
int CalcDayofWeek(int month, int day, int year);
void displayDay(int G);
int main()
{
//declare variables
int month,
day,
year;
int M, //month number
K, //day of the month
C, //century year
D, //year number
G;
//input
displayTitle();
getMonth(month);
getDay(day);
getYear(year);
//process
CalcDayofWeek(month, day, year);
//output
displayDay(G);
system("pause");
return 0;
}
void displayTitle()
{
cout<< setw(30) << "Zeller's Algorithm\n";
cout<<endl;
}
int getMonth(int month)
{
cout<< setw(20) << "Enter the month <or 0 to exit>";
cin>>month;
cout<<endl;
return month;
}
int getDay(int day)
{
cout<< setw(20) << "Enter the day ";
cin>>day;
cout<<endl;
return day;
}
int getYear(int year)
{
cout<< setw(20) << "Enter the year ";
cin>>year;
cout<<endl;
return year;
}
int CalcDayofWeek(int month, int day, int year)
{
int M = month;
int K = day;
int C = year / 100;
int D = year % 100;
int G;
G = static_cast<double> )2.6 * M - 0.2) + K + D + (D/4) + (C/4) - 2 * C;
if (G < 0)
G = G + 7;
return G;
}
void displayDay(int G)
{
switch (G)
{
case 0: cout << "Sunday" << endl; break;
case 1: cout << "Monday" << endl; break;
case 2: cout << "Tuesday" << endl; break;
case 3: cout << "Wednesday" << endl; break;
case 4: cout << "Thursday" << endl; break;
case 5: cout << "Friday" << endl; break;
case 6: cout << "Saturday" << endl; break;
}
}
