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  1. package seventh;
  2.  
  3. import java.io.BufferedReader;
  4. import java.io.InputStreamReader;
  5. import java.util.ArrayList;
  6. import java.util.StringTokenizer;
  7.  
  8. public class main {
  9.  
  10.    public static void main(String[] args) throws Exception {
  11.       // TODO Auto-generated method stub
  12.       solution();
  13.    }
  14.  
  15.    private static void solution() throws Exception {
  16.  
  17.       BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
  18.       StringTokenizer st = new StringTokenizer(br.readLine());
  19.       int size = Integer.parseInt(st.nextToken());
  20.       int count = 1;
  21.       while(size != 0) {
  22.          System.out.println("Simulation " + count++);
  23.          st = new StringTokenizer(st.nextToken(), "!");
  24.          ArrayList<Character> cache = new ArrayList<Character>();
  25.          while (st.hasMoreTokens()) {
  26.             String input = st.nextToken();
  27.             for (int i = 0; i < input.length(); ++i) {
  28.                if (!cache.contains(input.charAt(i))) {
  29.                   if (cache.size() < size)
  30.                      cache.add(input.charAt(i));
  31.                   else {
  32.                      cache.remove(0);
  33.                      cache.add(input.charAt(i));
  34.                   }
  35.                } else {
  36.                   int index = 0;
  37.                   for(int x = 0; x < cache.size();++x) {
  38.                      if(cache.get(x) == input.charAt(i))
  39.                         index = x;
  40.                   }
  41.                   cache.remove(index);
  42.                   cache.add(input.charAt(i));
  43.                }
  44.             }
  45.             for (int i = 0; i < cache.size(); ++i) {
  46.                System.out.print(cache.get(i));
  47.             }
  48.             System.out.println();
  49.          }
  50.          st = new StringTokenizer(br.readLine());
  51.          size = Integer.parseInt(st.nextToken());
  52.       }
  53.    }
  54. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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5 ABC!DEAF!B!
3 WXWYZ!YZWYX!XYXY!
5 EIEIO!
0
compilation info 
Main.java:8: error: class main is public, should be declared in a file named main.java
public class main {
       ^
1 error
stdout
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Standard output is empty
https://ideone.com/sbNTWo
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
public

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