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  1. import java.io.*;
  2. import java.io.BufferedReader;
  3. import java.io.IOException;
  4. import java.util.Map;
  5. import java.util.TreeMap;
  6. import java.io.InputStreamReader;
  7. import java.io.BufferedWriter;
  8.  
  9.  
  10. public class Main {
  11.  
  12.     public static void main(String[] args) throws IOException {
  13.         BufferedReader buff =
  14.                 new BufferedReader(new InputStreamReader(System.in));
  15.         String word = new String();
  16.         TreeMap <Character, Integer> word_m = new TreeMap<>();
  17.         while ((word = buff.readLine()) != null) {
  18.             for (int i = 0; i < word.length(); i++){
  19.                 char c = word.charAt(i);
  20.                 if (word_m.containsKey(c)){
  21.                     word_m.put(c, word_m.get(c) + 1);
  22.                 } else {
  23.                     word_m.put(c, 1);
  24.                 }
  25.             }
  26.         }
  27.         BufferedWriter buff_w =
  28.         		new BufferedWriter(new OutputStreamWriter(System.out));
  29.         char c = 'a';
  30.         int len = word_m.size();
  31.         for (int i = 0; i < len; ++i) {
  32.             int value = 0;
  33.             for (Map.Entry<Character, Integer> entry : word_m.entrySet()) {
  34.                 Integer maxValue = entry.getValue();
  35.                 if (maxValue > value) {
  36.                     value = maxValue;
  37.                     c = entry.getKey();
  38.                 }
  39.             }
  40.             for (int j = 0; j < value; ++j) {
  41.             	buff_w.write(c);
  42.             }
  43.             buff_w.flush();
  44.             word_m.remove(c, value);
  45.             --len;
  46.         }
  47.         System.out.print(len);
  48.  
  49.         for (Map.Entry<Character, Integer> entry : word_m.entrySet()) {
  50.             buff_w.write(entry.getKey());
  51.         }
  52.         buff_w.close ();
  53.     }
  54. }
  55.  
Success #stdin #stdout 0.08s 47208KB
comments (?)
stdin
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eeeeeeeeeeeeaaaaaaaaaaaa
stdout
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aaaaaaaaaaaa1e
https://ideone.com/l3iYJr
language:
Java (HotSpot 12)
created:
1 year ago
visibility:
public

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