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  1. import java.io.BufferedReader;
  2. import java.io.IOException;
  3. import java.io.InputStreamReader;
  4. import java.util.LinkedList;
  5. import java.util.StringTokenizer;
  6.  
  7. public class FixingTypos {
  8.  
  9. 	public static void main(String[] args) throws IOException {
  10. 		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
  11. 		StringBuilder s = new StringBuilder();
  12. 		LinkedList<Character> ll = new LinkedList<Character>();
  13. 		while (true) {
  14. 			int n = Integer.parseInt(br.readLine());
  15. 			if (n == 0)
  16. 				break;
  17. 			int max = -1;
  18. 			String ss = br.readLine().toLowerCase();
  19. 			for (int i = 0; i < ss.length() - n; i++) {
  20. 				int j;
  21. 				ll = new LinkedList<Character>();
  22.  
  23. 				for (j = i + 1; j < ss.length() && ll.size() <= n; j++) {
  24. 					if (!(ll.contains(ss.charAt(j))) && ll.size() == n) {
  25. 						j--;
  26. 						break;
  27. 					}
  28. 					if (!(ll.contains(ss.charAt(j)))) {
  29. 						ll.add(ss.charAt(j));
  30. 					}
  31. 				}
  32. 				max = Math.max(max, (j - i));
  33. 			}
  34. 			s.append(max + "\n");
  35. 		}
  36. 		System.out.print(s);
  37. 	}
  38.  
  39. }
  40.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
Main.java:7: error: class FixingTypos is public, should be declared in a file named FixingTypos.java
public class FixingTypos {
       ^
1 error
stdout
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Standard output is empty
https://ideone.com/6kAVw2
language:
Java (12.0.1)
created:
9 years ago
visibility:
public

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