- using System; 
- using System.Linq; 
-   
- public class Test 
- { 
- 	public static void Main() 
- 	{ 
-             String[] A = new String[] { "one", "two", "three", "four" }; 
-             int[] idxs = new int[] { 1, 3 }; 
-             var result = idxs.Select(i => A[i]).ToArray(); 
-   
-             foreach(var s in result) 
-             Console.WriteLine(s); 
- 	} 
- } 
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