I need help on how to write a program that determines the number of days between two dates input by the user...u have to use at leat one loop structure and i dont know where to start...can someone please help me...i have the input by the user down i jus need help with the loops.. thx
moffett018@aol 0 Newbie Poster
Agni 370 Practically a Master Poster Featured Poster
can you post that code? i dont know y you need the loop...
moffett018@aol 0 Newbie Poster
My instructor says its mandatory..i guess to see if we know how to do it, im tryin to figure out how i could use it..btw its C++.
Must have:
at least one if statement = i did that
at least one switch statement = i did that
at least one loop structure = confused on how to use that one
at least 2 functions value returning r void = i have an idea on that one
any help is appreciated :)
WaltP 2,905 Posting Sage w/ dash of thyme Team Colleague
Reread chandra.rajat's post and do what he said.
moffett018@aol 0 Newbie Poster
Its kinda long but here it is...
// Program assignment #1
// Brandon Moffett
#include <string>
#include <iostream>
#include <iomanip>
#include <fstream>
using namespace std;
// function prototypes
int main()
{
int mm,dd,yy,mm2,dd2,yy2,maxdays,day;
char s,s2;
//prompt the user for input
cout << "Please input your birthday using this format (MM-DD-YYYY)\n";
cin >> mm;
cin.get(s);
cin >> dd;
cin.get(s);
cin >> yy;
cout << "Please input the current date using this format (MM-DD-YYYY)\n";
cin >> mm2;
cin.get(s2);
cin >> dd2;
cin.get(s2);
cin >> yy2;
switch (mm)
{
case 1: maxdays = 31;
if (dd <= maxdays)
cout << "Dates are acceptional, please continue...\n";
else
cout << "Invalid day of the month : " << dd << endl;
break;
case 3:maxdays = 31;
if (dd <= maxdays)
cout << "Dates are acceptional, please continue...\n";
else
cout << "Invalid day of the month : " << dd << endl;
break;
case 5:maxdays = 31;
if (dd <= maxdays)
cout << "Dates are acceptional, please continue...\n";
else
cout << "Invalid day of the month : " << dd << endl;
break;
case 7:maxdays = 31;
if (dd <= maxdays)
cout << "Dates are acceptional, please continue...\n";
else
cout << "Invalid day of the month : " << dd << endl;
break;
case 8:maxdays = 31;
if (dd <= maxdays)
cout << "Dates are acceptional, please continue...\n";
else
cout << "Invalid day of the month : " << dd << endl;
break;
case 10:maxdays = 31;
if (dd <= maxdays)
cout << "Dates are acceptional, please continue...\n";
else
cout << "Invalid day of the month : " << dd << endl;
break;
case 12: maxdays = 31;
if (dd <= maxdays)
cout << "Dates are acceptional, please continue...\n";
else
cout << "Invalid day of the month : " << dd << endl;
break;
case 4:maxdays = 31;
if (dd <= maxdays)
cout << "Dates are acceptional, please continue...\n";
else
cout << "Invalid day of the month : " << dd << endl;
break;
case 6:maxdays = 31;
if (dd <= maxdays)
cout << "Dates are acceptional, please continue...\n";
else
cout << "Invalid day of the month : " << dd << endl;
break;
case 9:maxdays = 31;
if (dd <= maxdays)
cout << "Dates are acceptional, please continue...\n";
else
cout << "Invalid day of the month : " << dd << endl;
break;
case 11: maxdays = 30;
if (dd <= maxdays)
cout << "Dates are acceptional, please continue...\n";
else
cout << "Invalid day of the month : " << dd << endl;
break;
case 2: maxdays = 29;
if ( yy%4 == 0)
{ dd <= maxdays;}
else
dd <= 28;
break;
default:
cout << "Invalid month : " << mm << endl;
break;
}
switch (mm2)
{
case 1: maxdays = 31;
if (dd2 <= maxdays)
cout << "Dates are acceptional, please continue...\n";
else
cout << "Invalid day of the month : " << dd << endl;
break;
case 3:maxdays = 31;
if (dd2 <= maxdays)
cout << "Dates are acceptional, please continue...\n";
else
cout << "Invalid day of the month : " << dd << endl;
break;
case 5:maxdays = 31;
if (dd2 <= maxdays)
cout << "Dates are acceptional, please continue...\n";
else
cout << "Invalid day of the month : " << dd << endl;
break;
case 7:maxdays = 31;
if (dd2 <= maxdays)
cout << "Dates are acceptional, please continue...\n";
else
cout << "Invalid day of the month : " << dd << endl;
break;
case 8:maxdays = 31;
if (dd2 <= maxdays)
cout << "Dates are acceptional, please continue...\n";
else
cout << "Invalid day of the month : " << dd << endl;
break;
case 10:maxdays = 31;
if (dd <= maxdays)
cout << "Dates are acceptional, please continue...\n";
else
cout << "Invalid day of the month : " << dd << endl;
break;
case 12: maxdays = 31;
if (dd2 <= maxdays)
cout << "Dates are acceptional, please continue...\n";
else
cout << "Invalid day of the month : " << dd << endl;
break;
case 4:maxdays = 31;
if (dd2 <= maxdays)
cout << "Dates are acceptional, please continue...\n";
else
cout << "Invalid day of the month : " << dd << endl;
break;
case 6:maxdays = 31;
if (dd2 <= maxdays)
cout << "Dates are acceptional, please continue...\n";
else
cout << "Invalid day of the month : " << dd << endl;
break;
case 9:maxdays = 31;
if (dd2 <= maxdays)
cout << "Dates are acceptional, please continue...\n";
else
cout << "Invalid day of the month : " << dd << endl;
break;
case 11: maxdays = 30;
if (dd2 <= maxdays)
cout << "Dates are acceptional, please continue...\n";
else
cout << "Invalid day of the month : " << dd << endl;
break;
case 2: maxdays = 29;
if ( yy%4 == 0)
{ dd2 <= maxdays;}
else
dd <= 28;
break;
default:
cout << "Invalid month : " << mm << endl;
break;
}
system("pause");
return 0;
}I was going to have the switch statements value returning functions
WaltP 2,905 Posting Sage w/ dash of thyme Team Colleague
Since your post is unreadable, please read the Rules as requested when you signed up, the post titled Read Me: Read This Before Posting (the title says it all), and don't ignore the words on the background of the box you entered your post into.
Agni 370 Practically a Master Poster Featured Poster
Its kinda long but here it is...
// Program assignment #1
// Brandon Moffett#include <string> #include <iostream> #include <iomanip> #include <fstream> using namespace std; // function prototypes int main() { int mm,dd,yy,mm2,dd2,yy2,maxdays,day; char s,s2; //prompt the user for input cout << "Please input your birthday using this format (MM-DD-YYYY)\n"; cin >> mm; cin.get(s); cin >> dd; cin.get(s); cin >> yy; cout << "Please input the current date using this format (MM-DD-YYYY)\n"; cin >> mm2; cin.get(s2); cin >> dd2; cin.get(s2); cin >> yy2; switch (mm) { case 1: maxdays = 31; if (dd <= maxdays) cout << "Dates are acceptional, please continue...\n"; else cout << "Invalid day of the month : " << dd << endl; break; case 3:maxdays = 31; if (dd <= maxdays) cout << "Dates are acceptional, please continue...\n"; else cout << "Invalid day of the month : " << dd << endl; break; case 5:maxdays = 31; if (dd <= maxdays) cout << "Dates are acceptional, please continue...\n"; else cout << "Invalid day of the month : " << dd << endl; break; case 7:maxdays = 31; if (dd <= maxdays) cout << "Dates are acceptional, please continue...\n"; else cout << "Invalid day of the month : " << dd << endl; break; case 8:maxdays = 31; if (dd <= maxdays) cout << "Dates are acceptional, please continue...\n"; else cout << "Invalid day of the month : " << dd << endl; break; case 10:maxdays = 31; if (dd <= maxdays) cout << "Dates are acceptional, please continue...\n"; else cout << "Invalid day of the month : " << dd << endl; break; case 12: maxdays = 31; if (dd <= maxdays) cout << "Dates are acceptional, please continue...\n"; else cout << "Invalid day of the month : " << dd << endl; break; case 4:maxdays = 31; if (dd <= maxdays) cout << "Dates are acceptional, please continue...\n"; else cout << "Invalid day of the month : " << dd << endl; break; case 6:maxdays = 31; if (dd <= maxdays) cout << "Dates are acceptional, please continue...\n"; else cout << "Invalid day of the month : " << dd << endl; break; case 9:maxdays = 31; if (dd <= maxdays) cout << "Dates are acceptional, please continue...\n"; else cout << "Invalid day of the month : " << dd << endl; break; case 11: maxdays = 30; if (dd <= maxdays) cout << "Dates are acceptional, please continue...\n"; else cout << "Invalid day of the month : " << dd << endl; break; case 2: maxdays = 29; if ( yy%4 == 0) { dd <= maxdays;} else dd <= 28; break; default: cout << "Invalid month : " << mm << endl; break; } switch (mm2) { case 1: maxdays = 31; if (dd2 <= maxdays) cout << "Dates are acceptional, please continue...\n"; else cout << "Invalid day of the month : " << dd << endl; break; case 3:maxdays = 31; if (dd2 <= maxdays) cout << "Dates are acceptional, please continue...\n"; else cout << "Invalid day of the month : " << dd << endl; break; case 5:maxdays = 31; if (dd2 <= maxdays) cout << "Dates are acceptional, please continue...\n"; else cout << "Invalid day of the month : " << dd << endl; break; case 7:maxdays = 31; if (dd2 <= maxdays) cout << "Dates are acceptional, please continue...\n"; else cout << "Invalid day of the month : " << dd << endl; break; case 8:maxdays = 31; if (dd2 <= maxdays) cout << "Dates are acceptional, please continue...\n"; else cout << "Invalid day of the month : " << dd << endl; break; case 10:maxdays = 31; if (dd <= maxdays) cout << "Dates are acceptional, please continue...\n"; else cout << "Invalid day of the month : " << dd << endl; break; case 12: maxdays = 31; if (dd2 <= maxdays) cout << "Dates are acceptional, please continue...\n"; else cout << "Invalid day of the month : " << dd << endl; break; case 4:maxdays = 31; if (dd2 <= maxdays) cout << "Dates are acceptional, please continue...\n"; else cout << "Invalid day of the month : " << dd << endl; break; case 6:maxdays = 31; if (dd2 <= maxdays) cout << "Dates are acceptional, please continue...\n"; else cout << "Invalid day of the month : " << dd << endl; break; case 9:maxdays = 31; if (dd2 <= maxdays) cout << "Dates are acceptional, please continue...\n"; else cout << "Invalid day of the month : " << dd << endl; break; case 11: maxdays = 30; if (dd2 <= maxdays) cout << "Dates are acceptional, please continue...\n"; else cout << "Invalid day of the month : " << dd << endl; break; case 2: maxdays = 29; if ( yy%4 == 0) { dd2 <= maxdays;} else dd <= 28; break; default: cout << "Invalid month : " << mm << endl; break; } system("pause"); return 0; }I was going to have the switch statements value returning functions
To start with you can club the conditions that have the same number of days so ur code will become a lot more compact.
for ex
case 1:
case 3:
case 5:
//
and then the statements and break;
second your formula to check leap year is not absolutely correct. for example year 1800 is divisible by 4 but is not a leap year. you have to check if a year is divisible by 4 and not divisible by 100 then its a leap year or if the year is evenly divisible by 100 and 400. so that logic needs to be changed.
moffett018@aol 0 Newbie Poster
OK i fixed all of that thx.Any ideas about the loop situation?
moffett018@aol 0 Newbie Poster
i wrote an if statement for the leap year..
if( yy%4 == 0 && yy%100 != 0)
Agni 370 Practically a Master Poster Featured Poster
the correct condition is
if((yy%4 == 0) && !(yy%100 ==0) || (yy%400 == 0))
probably you can have a while loop to keep taking inputs and returning the number of days till the user says i'm done.
so all your code can be put inside a while loop and you can ask the user if he wants to continue or not.
moffett018@aol 0 Newbie Poster
ok man that will do it
Thx for the help
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