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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4.  
  5. class Main
  6. {
  7. 	public static void main (String[] args) throws java.lang.Exception
  8. 	{
  9. 		Scanner in = new Scanner(System.in);
  10. 		String str = in.nextLine();
  11. 		char[] s = str.toCharArray();
  12. 		int i = in.nextInt();
  13. 		int j = in.nextInt();
  14. 		for(int b = i - 1, c = j - 1; b < c; b++, c--) {
  15. 			char k = s[b];
  16. 			s[b] = s[c];
  17. 			s[c] = k;
  18. 		}
  19. 	System.out.println(s);
  20. 	}
  21. }
Success #stdin #stdout 0.07s 2184192KB
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https://ideone.com/q2jRzp
language:
Java (HotSpot 12)
created:
5 years ago
visibility:
secret

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