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  1. using System;
  2.  
  3. public class Test
  4. {
  5. 	public static void Main()
  6. 	{
  7. 		string s = "stack";
  8.  
  9.             for (int i = 0; i < s.Length; i++)
  10.             {
  11.                Console.WriteLine (s.Insert(i, s[i].ToString()));
  12.             }
  13. 	}
  14. }
Success #stdin #stdout 0.02s 33832KB
comments (?)
stdin 
Standard input is empty
stdout 
sstack
sttack
staack
stacck
stackk
https://ideone.com/wZLMQr
language:
C# (gmcs 5.20.1)
created:
12 years ago
visibility:
secret

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