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  1. using System;
  2.  
  3. static class Prob1
  4. {
  5.     static bool CheckTimeDuplication(Tuple<int, int, int, int> arg0, Tuple<int, int, int, int> arg1)
  6.     {
  7.         if (arg0 == null) throw new ArgumentNullException("arg0");
  8.         if (arg1 == null) throw new ArgumentNullException("arg1");
  9.         FromTo ft0 = new FromTo(arg0.Item1, arg0.Item2, arg0.Item3, arg0.Item4);
  10.         if (!ft0.IsValid) throw new ArgumentOutOfRangeException("arg0");
  11.         FromTo ft1 = new FromTo(arg1.Item1, arg1.Item2, arg1.Item3, arg1.Item4);
  12.         if (!ft1.IsValid) throw new ArgumentOutOfRangeException("arg1");
  13.         return (TimeSpan.Zero < ft0.GetIntersectingTimeSpan(ft1));
  14.     }
  15. }
  16.  
  17. struct FromTo
  18. {
  19.     public readonly TimeSpan From;
  20.     public readonly TimeSpan To;
  21.     public readonly bool IsValid;
  22.  
  23.     public FromTo(int fromHours, int fromMinutes, int toHours, int toMinutes)
  24.     {
  25.         this.IsValid
  26.             = (TryConvert(fromHours, fromMinutes, out this.From) & TryConvert(toHours, toMinutes, out this.To))
  27.             && Validate(this.From, this.To);
  28.     }
  29.  
  30.     private static bool TryConvert(int hours, int minutes, out TimeSpan result)
  31.     {
  32.         result = new TimeSpan(hours, minutes, 0);
  33.         return (result.Hours == hours && result.Minutes == minutes);
  34.     }
  35.  
  36.     private static bool Validate(TimeSpan from, TimeSpan to)
  37.     {
  38.         return (TimeSpan.Zero <= from && from <= to && to <= new TimeSpan(24, 0, 0));
  39.     }
  40.  
  41.     public TimeSpan GetIntersectingTimeSpan(FromTo other)
  42.     {
  43.         return (this.To < other.To ? this.To : other.To)
  44.             - (this.From < other.From ? other.From : this.From);
  45.     }
  46. }
  47.  
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https://ideone.com/akmhr
language:
C# (gmcs 5.20.1)
created:
13 years ago
visibility:
public

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