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  1. using System;
  2. using System.Collections.Generic;
  3. using System.Linq;
  4.  
  5. public class Test
  6. {
  7. 	public static void Main()
  8. 	{
  9. 	    Dictionary<int, int> dic1 = new Dictionary<int, int>() { {24379,349}, { 24368, 348 }, { 24377, 91 }, { 24366, 90 } };
  10.     	Dictionary<int, int> dic2 = new Dictionary<int, int>() { { 24379, 270451 }, { 24368, 270451 }, { 24377, 270450 }, { 24366, 270450 } };
  11.     	var a = OpAdd(dic1, dic2);
  12.     	var b = AnsAdd(dic1, dic2);
  13.     	Console.WriteLine("OP's results");
  14. 		Show(a);
  15.     	Console.WriteLine("Answer's answer");
  16. 		Show(b);
  17. 	}
  18. 	private static Dictionary<int, int> OpAdd(Dictionary<int, int> dict1, Dictionary<int, int> dict2) {
  19. 		Dictionary<int, int> result = new Dictionary<int, int>();
  20. 		foreach (int itemKey in dict1.Keys)
  21. 		{
  22.     		result.Add (
  23.     			itemKey
  24.     		,   dict1.Where(a => dict2.ContainsKey(a.Key) 
  25.                                        && dict2.ContainsKey(itemKey) 
  26.                                        && dict2[a.Key] == dict2[itemKey])
  27.                               .Sum(a => a.Value)
  28.             );
  29. 		}
  30. 		return result;
  31. 	}
  32.  
  33. 	private static Dictionary<int, int> AnsAdd(Dictionary<int, int> dict1, Dictionary<int, int> dict2)
  34.     {
  35.         var lookup = dict1
  36.             .Where(p => dict2.ContainsKey(p.Key))
  37.             .GroupBy(p => dict2[p.Key])
  38.             .ToDictionary(g => g.Key, g => g.Sum(p => p.Value));
  39.         return dict1.Keys
  40.             .Where(k => dict2.ContainsKey(k))
  41.             .ToDictionary(k => k, k => lookup[dict2[k]]);
  42.     }
  43.  
  44.     private static void Show(IDictionary<int,int> d) {
  45.     	foreach(var p in d.OrderBy(x => x.Key)) {
  46.     		Console.WriteLine("{0} : {1}", p.Key, p.Value);
  47.     	}
  48.     	Console.WriteLine("-----------");
  49.     }
  50. }
Success #stdin #stdout 0.01s 30064KB
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stdin
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Standard input is empty
stdout
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OP's results
24366 : 181
24368 : 697
24377 : 181
24379 : 697
-----------
Answer's answer
24366 : 181
24368 : 697
24377 : 181
24379 : 697
-----------
https://ideone.com/p1tS41
language:
C# (gmcs 5.20.1)
created:
7 years ago
visibility:
public

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