كود تقويم calendar code in C++ من تصميمي

#include <iostream.h>
#include <stdlib.h>
int myear;
int i = 1;
int week=1;
int hd;
unsigned short int proti_mera;
bool leapyear(unsigned short int year)


{
if(year % 100 != 0)
return (year % 4 == 0);
else
return (year % 400 == 0);
}

void menu()


{
cout<<"Insert the year : \n";
cin>>myear;
cout<<endl;
cout<<"Which is the first day of the year ?\n";
cout<<"1. Monday\n";
cout<<"2. Tuesday\n";
cout<<"3. Wednesday\n";
cout<<"4. Thursday\n";
cout<<"5. Friday\n";
cout<<"6. Saturday\n";
cout<<"7. Sunday\n";
cout<<endl;
do

{
cout<<"Press (1..7) : ";
cin>>proti_mera;
if (!((proti_mera > 0) && (proti_mera < 8)))
continue;
}
while (!((proti_mera > 0) && (proti_mera < 8)));
cout<<endl;
cout<<"How many days would you like me to print ?\n";
do

{
if (leapyear(myear))


{
cout<<"Press (1..366) : ";
cin>>hd;
if (!((hd > 0) && (hd <= 366)))
continue;
else
break;
}
if (!leapyear(myear))


{
cout<<"Press (1..365) : ";
cin>>hd;
if (!((hd > 0) && (hd <= 365)))
continue;
else
break;
}
}
while (1);
cout<<endl;
}

void display_week()


{
cout.width(15);
cout<<week++<<" Week\n";
cout<<endl;
}

void pause_page()


{
if (i % 7 == 0)


{
cout<<endl;
system("PAUSE");
cout<<endl;
display_week();
}
}

int main()


{
char mdays[7][10] = {"Monday","Tuesday","Wednesday","Thursday","Friday ","Saturday","Sunday"};
char mmonths[12][12] = {"January","February","March","April","May","June" ,"July","August","September","October","November", "December"};
int disdays[12] = {31,29,31,30,31,30,31,31,30,31,30,31};
int udisdays[12] = {31,28,31,30,31,30,31,31,30,31,30,31};
int dday = 1;
int mmonth=0;
menu();
int mday = proti_mera-1;

display_week();
for(i;i<=hd;i++)


{
cout<<i<<"";
cout.width(5);
cout<<mdays[mday++]<<" "<<dday++<<" "<<mmonths[mmonth]<<" "<<myear<<endl;
if (leapyear(myear))


{
if(dday == disdays[mmonth]+1)


{
dday=1;
mmonth++;
}
}
if (!leapyear(myear))


{
if(dday == udisdays[mmonth]+1)


{
dday=1;
mmonth++;
}
}

if (mday >= 7)
mday=0;
pause_page();
}
cout<<endl;
return 0;
}