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Solve : C# finding a whole number? |
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Answer» Hi I was hoping someone might be able to help me. Now I know that if you divide the year by 4 and it comes back with a whole integer number that it is a leap year.First- this is actually not the entire rule. A year is a leap year if it's evenly divisible by 4 but not by 100 if (year modulo 4 is 0) and (year modulo 100 is not 0) or (year modulo 400 is 0) then is_leap_year else not_leap_year Anyway- the answer to your problem is the C# MODULUS operator, %: for example, this function would DETERMINE if a year was a leapyear: Code: [Select]private bool IsLeap(int year) { if ((year % 4 == 0) && (year % 100 != 0) || (year % 400 == 0)) return true; else return FALSE; } However- a better solution is to simply use the .NET framework. System.DateTime.IsLeapYear(int) will tell you if a specified year is a leap-year.Quote from: BC_Programmer on February 21, 2010, 09:04:05 AM However- a better solution is to simply use the .NET framework. System.DateTime.IsLeapYear(int) will tell you if a specified year is a leap-year. Better - but not so much math practice involved... the teacher of the C# class might give -kat-'s homework a low mark if he or she did that! Quote from: Salmon Trout on February 21, 2010, 09:23:38 AM Better - but not so much math practice involved... the teacher of the C# class might give -kat-'s homework a low mark if he or she did that! Yes, that's why I included the other stuff . |
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