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  1. using System;
  2. using System.Collections;
  3. using System.Collections.Generic;
  4. using System.Linq;
  5.  
  6. public class Test
  7. {class Car
  8. {
  9.  public int CarId;
  10.  public int Location ;
  11. }
  12.  
  13. static int TotalCycles=0;
  14.  
  15. class Cycle
  16. {
  17.   public  int CycleNum;
  18.   public List<Car> Cars;
  19.   public Cycle ()
  20. 	{
  21. 	  CycleNum=(++TotalCycles);
  22. 	}
  23.  
  24. }
  25.  
  26. class MyEqualityComparer : IEqualityComparer<Car>
  27. {
  28.     public bool Equals(Car item1, Car item2)
  29.     {
  30.          if(object.ReferenceEquals(item1, item2))
  31.         return true;
  32.     if(item1 == null || item2 == null)
  33.         return false;
  34.     return item1.CarId.Equals(item2.CarId) ;
  35.     }
  36.  
  37.  
  38.     public int GetHashCode(Car car)
  39.     {
  40.         //Check whether the object is null
  41.         if (Object.ReferenceEquals(car, null)) return 0;
  42.  
  43.  
  44.  
  45.         //Get hash code for the Code field.
  46.         int hashcarCode = car.CarId.GetHashCode();
  47.  
  48.         //Calculate the hash code for the car.
  49.         return hashcarCode;
  50.     }
  51. }
  52. 	public static void Main()
  53. 	{
  54. 	 List<Cycle> LstCyclces = new List<Cycle>();
  55. 	   Cycle cycle =null;
  56.  
  57. 	   cycle = new Cycle();//cycle 1
  58. 	   cycle.Cars = new List<Car>();
  59. 	   cycle.Cars.Add(new Car {CarId=1 , Location=40});
  60. 	   cycle.Cars.Add(new Car {CarId=2 , Location=21});
  61. 	   cycle.Cars.Add(new Car {CarId=3 , Location=5});
  62. 	   cycle.Cars.Add(new Car {CarId=4 , Location=15});
  63. 	   LstCyclces.Add(cycle);
  64.  
  65. 	   cycle = new Cycle();//cycle2
  66. 	   cycle.Cars = new List<Car>();
  67. 	   cycle.Cars.Add(new Car {CarId=1 , Location=40}); //same location
  68. 	   cycle.Cars.Add(new Car {CarId=2 , Location=57});//changed location
  69. 	   cycle.Cars.Add(new Car {CarId=3 , Location=100});//changed location
  70. 	   cycle.Cars.Add(new Car {CarId=4 , Location=7});//changed location
  71. 	   cycle.Cars.Add(new Car {CarId=7 , Location=2});//new attended ( vs previous cycle)
  72. 	   LstCyclces.Add(cycle);
  73.  
  74. 	   cycle = new Cycle();//cycle3
  75. 	   cycle.Cars = new List<Car>();
  76. 	   cycle.Cars.Add(new Car {CarId=1 , Location=40}); //same
  77. 	   cycle.Cars.Add(new Car {CarId=2 , Location=5});//changed Location
  78. 	   cycle.Cars.Add(new Car {CarId=4 , Location=1});//changed Location
  79. 	   cycle.Cars.Add(new Car {CarId=9 , Location=7});//new attended ( vs previous cycle)
  80. 	   LstCyclces.Add(cycle);
  81.  
  82.  
  83. 	   var cycleToCheck=2;
  84. 	   var requestedCycleCars =  LstCyclces.Where(c=>c.CycleNum==cycleToCheck).SelectMany(c=>c.Cars);
  85. 	   var previousCycleCars =  LstCyclces.Where(c=>c.CycleNum==cycleToCheck-1).SelectMany(c=>c.Cars);
  86.  
  87. 	   //requestedCycleCars.Intersect(previousCycleCars,new MyEqualityComparer());
  88.  
  89. 	}
  90. }
Success #stdin #stdout 0.01s 33656KB
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https://ideone.com/hbX0sV
language:
C# (gmcs 5.20.1)
created:
11 years ago
visibility:
public

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