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  1. using System;
  2. using System.Text;
  3. using System.Linq;
  4.  
  5.         public class Quarter
  6.         {
  7.             public static long GetQuarters(DateTime dt1, DateTime dt2)
  8.             {
  9.                 double d1Quarter = GetQuarter(dt1.Month);
  10.                 double d2Quarter = GetQuarter(dt2.Month);
  11.                 double d1 = d2Quarter - d1Quarter;
  12.                 double d2 = (4 * (dt2.Year - dt1.Year));
  13.                 return Round(d1 + d2);
  14.             }
  15.  
  16.             private static int GetQuarter(int nMonth)
  17.             {
  18.                 if (nMonth <= 3)
  19.                     return 1;
  20.                 if (nMonth <= 6)
  21.                     return 2;
  22.                 if (nMonth <= 9)
  23.                     return 3;
  24.                 return 4;
  25.             }
  26.  
  27.             private static long Round(double dVal)
  28.             {
  29.                 if (dVal >= 0)
  30.                     return (long)Math.Floor(dVal);
  31.                 return (long)Math.Ceiling(dVal);
  32.             }
  33.         }
  34.  
  35. public class Program
  36. {
  37.  
  38. public static void Main(string[] args)
  39. {
  40.             DateTime dt1 = new DateTime(2012, 1, 1);
  41.             DateTime dt2 = new DateTime(2013, 1, 15);
  42.             long countQuarters = Quarter.GetQuarters(dt1, dt2);
  43.             Console.Write("Quarters between: " + countQuarters);
  44. }
  45. }
Success #stdin #stdout 0.04s 33816KB
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Standard input is empty
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Quarters between: 4
https://ideone.com/gKJguP
language:
C# (gmcs 5.20.1)
created:
11 years ago
visibility:
public

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