Osajono

/*
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 */

import java.util.*; 
import java.io.*;
/**
 *
 * @author alexey
 */
public class Datatahti20161 {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        Scanner scan=new Scanner(System.in);
        
        
   
        String input=scan.nextLine();
        int answer=0;
        
        answer+=input.length();
        
        int[] letters=new int[26];
        
        
        for (int i = 0; i < input.length(); i++) {
            int c =input.charAt(i)-65;
            
            letters[c]++;
            
        }
        for (int i = 0; i < 26; i++) {
            if(letters[i]==0){
                
            }else{
             answer+=letters[i]-1;
            }
            
        }
       
      
        System.out.println(answer);
       
    }
    
}

Test 1

Group: 1

Verdict: WRONG ANSWER

Test 2

Group: 1

Verdict: WRONG ANSWER

Test 3

Group: 1

Verdict: WRONG ANSWER

Test 4

Group: 1

Verdict: WRONG ANSWER

Test 5

Group: 1

Verdict: WRONG ANSWER

Test 6

Group: 2

Verdict: WRONG ANSWER

Test 7

Group: 2

Verdict: WRONG ANSWER

Test 8

Group: 2

Verdict: WRONG ANSWER

Test 9

Group: 2

Verdict: WRONG ANSWER

Test 10

Group: 2

Verdict: WRONG ANSWER

Test 11

Group: 3

Verdict: WRONG ANSWER

Test 12

Group: 3

Verdict: WRONG ANSWER

Test 13

Group: 3

Verdict: WRONG ANSWER

Test 14

Group: 3

Verdict: WRONG ANSWER

Test 15

Group: 3

Verdict: WRONG ANSWER