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Programing a Day Counter, need help!!

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Programing a Day Counter, need help!! C/C++ Help forum discussing building and maintaining applications in C/C++. Find out why these languages are the foundation on which other languages are built.

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  #1  
Old January 23rd, 2005, 11:03 PM
CSstudent!== CSstudent!== is offline
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Programing a Day Counter, need help!!
Alright I'm programing a simple day counter here where the user enters 2 years

ex) 2001 and 2004

now the program is suposed to figure out how many days are between those 2 years

*note* have to use a for-loop only.

heres what I have set up..

for (year=year; year<=yearTwo; year++)

I honestly have no idea what formula to use or what to, any help is appreciated, thanks!
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  #2  
Old January 24th, 2005, 05:55 AM
marmo marmo is offline
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Code:
    long CalcNumDays( int nStartYear, int nEndYear )
    {
  	 if( nStartYear >= nEndYear )
 	 return 0;
  
    	 long lNumDays(0);
    	 int nYearDifference = nEndYear - nStartYear;
    
    	 for( int i(0); i < nYearDifference; ++i )
    		   lNumDays += 365;
    
    	 return lNumDays;
    }
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  #3  
Old February 1st, 2005, 04:13 PM
groggory groggory is offline
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Don't forget leap years :-)

Years evenly divisible by 4 are leap years, with the exception of centurial years that are not evenly divisible by 400

Alright, my coding is VERY rusty. But I'm taking more C++ this semester so I better brush up fast.

Please critique my code for this...I know there is an elegant way. I HATE big nested if else loops. There is a way to do this nicely.

Code:
long CalcNumDays( int nStartYear, int nEndYear ){
 long days(0);
 int year(365),leapYear(366);
 
 for(int i(nStartYear);i<nEndYear; i++){   
  if(i%4==0){
   if(i%100==0){
	if(i%400==0)
	 days+=year;
	else
	 days+=leapYear;
   {
   else
	days+=leapYear;
  }
  else
   days+=year;
 }
   
 return days;  
}
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  #4  
Old February 1st, 2005, 06:23 PM
Anibal Anibal is offline
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sorry to post this...but: how the hell do you write code with spaces here?. I've tried to do so, and I get all lines of code align to the left (without the classic TAB). Whenever I use the -> button, the code gets all messy.....I'm just trying to know this, in order to be able to help people here more efitiently.

Thanks....

Anibal.

PS: look at this!!

void bla(){
asdfasdf;

}
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  #5  
Old February 1st, 2005, 07:32 PM
groggory groggory is offline
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I write in textpad, then copy and past it in. I think tabs are translated to spaces.



Quote:
Originally Posted by Anibal
sorry to post this...but: how the hell do you write code with spaces here?. I've tried to do so, and I get all lines of code align to the left (without the classic TAB). Whenever I use the -> button, the code gets all messy.....I'm just trying to know this, in order to be able to help people here more efitiently.

Thanks....

Anibal.

PS: look at this!!

void bla(){
asdfasdf;

}
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  #6  
Old February 2nd, 2005, 02:11 PM
Anibal Anibal is offline
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Thanks....I'll give it a try!...lets see

function bla(){
return 0
}

Damn...it didn't work!!!
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