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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.         var dict = new Dictionary<int, int>()
  10.         {
  11.             { 0, 0 },
  12.             { 5, 5 },
  13.             { 7, 7 }
  14.         };
  15.  
  16.         Console.WriteLine("Original");
  17.         foreach (var kvp in dict)
  18.             Console.WriteLine("{0} -> {1}", kvp.Key, kvp.Value);
  19.  
  20.         foreach (var key in dict.Keys.ToList())
  21.             dict[key]++;
  22.  
  23.         Console.WriteLine("Increased by 1");
  24.         foreach (var kvp in dict)
  25.             Console.WriteLine("{0} -> {1}", kvp.Key, kvp.Value);
  26.  
  27.         dict = dict.ToDictionary(kvp => kvp.Key, kvp => kvp.Value + 1);
  28.  
  29.         Console.WriteLine("Increased by 1 again");
  30.         foreach (var kvp in dict)
  31.             Console.WriteLine("{0} -> {1}", kvp.Key, kvp.Value);
  32.     }
  33. }
Success #stdin #stdout 0.05s 34136KB
comments (?)
stdin
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Standard input is empty
stdout
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Original
0 -> 0
5 -> 5
7 -> 7
Increased by 1
0 -> 1
5 -> 6
7 -> 8
Increased by 1 again
0 -> 2
5 -> 7
7 -> 9
https://ideone.com/5qxFK1
language:
C# (gmcs 5.20.1)
created:
10 years ago
visibility:
secret

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