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austinslik 0 Newbie Poster

please tell me what i did wrong in this program... the leapyear is not working. it only shows feb 28 in every year.
Thanks alot.

// Assignment II-3.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <iostream>
#include <iomanip>
using namespace std;
bool leaptest;
void calendar(int startday, int month1, int year1);
int main()
{
	int startday, month, year;

	

	cout <<"Enter a start day>: ";
	cin >>startday;

	cout <<"Enter month>: ";
	cin >>month;
	
	cout <<"Enter year>: ";
	cin >>year;
	
	calendar(startday,month,year);

	int stop;cin >>stop;
	return 0;
}

void calendar(int startday, int month1, int year1)
{
	void setweekdays(int &startday2,int month2,int year2);
	int monthdays (int mthDays, int year3);
	void nameofmonth (int month);
	int leapyear (int year2);
	int x=0,days;

	setweekdays(startday, month1, year1);
	cout <<"\t\t";

	nameofmonth (month1);
	cout <<" "<<year1<<endl;

	cout <<"Sun\tMon\tTue\tWed\tThr\tFri\tSat\n";

	for(int i=0;i<=startday-1;i++)
	{
		cout<<"\t ";
	        x++;
    }
    days = monthdays(month1,year1);
    for(int i=1; i<=days; i++)
	{
		cout << i <<"\t";
		x++;
		if(x==7) 
		{
			cout<<endl;
			x=0;
		}
	}
	cout <<"\n\n";
}

int leapyear(int year3)
{
	if (year3 % 4 == 0){
		if (year3 % 100 == 0){
			if (year3 % 400 == 0)
				leaptest = true;
			else leaptest = false;
		}
		else leaptest = true;
	}
	else leaptest = false;
	return leaptest;
}

void nameofmonth (int month)
{
	if ((month < 1) || (month > 12)){cout <<"Incorrect input !";}
	else if (month==1){cout <<"January";}		
	else if (month==2){cout <<"Febuary";}
	else if (month==3){cout <<"March";}
	else if (month==4){cout <<"April";}		
	else if (month==5){cout <<"May";}		
	else if (month==6){cout <<"June";}		
	else if (month==7){cout <<"July";}		
	else if (month==8){cout <<"August";}		
	else if (month==9){cout <<"September";}		
	else if (month==10){cout <<"October";}		
	else if (month==11){cout <<"November";}		
	else if (month==12){cout <<"December";}

}
int monthdays (int mthDays, int year3)
{
	switch (mthDays)
	{	case 1:mthDays=31;break;
		case 2:mthDays=28;break;
		case 3:mthDays=31;break;
		case 4:mthDays=30;break;
		case 5:mthDays=31;break;
		case 6:mthDays=30;break;
		case 7:mthDays=31;break;
		case 8:mthDays=31;break;
		case 9:mthDays=30;break;
		case 10:mthDays=31;break;
		case 11:mthDays=30;break;
		case 12:mthDays=31;break;
	}
	if (mthDays == 2){
		if (leaptest == true)
			mthDays = 28;
		else 
			mthDays = 29;
	}
	return mthDays;
}
void setweekdays(int &startday2,int month2,int year2)
{
    int i,sum;
	sum=startday2;
	for(i=1;i<month2;i++)
		sum=sum+monthdays(i,year2);
	    sum=sum%7;
	if(i>1)
	{
        if(sum==0) startday2=6;
	    else startday2=sum;
	}
}
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