Osajono

public class Osajono2 {

    public static void main(String[] args) {
        IO io = new IO();
        int points = 0;
        String input = io.next();
        int inputLength = input.length();
        
        for(int i= 0; i < inputLength; i++){
        	
        	for(int x= i; x < inputLength; x++){
        		
        		int nextChar = input.charAt(x);
        		int currentChar = input.charAt(i);
        		Boolean tt = nextChar == currentChar;
        		
        		if(tt){
        			points++;
        		}
            }
        }
        
        io.println(points);
        io.close();
        
    }
}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 1

Verdict: ACCEPTED

Test 3

Group: 1

Verdict: ACCEPTED

Test 4

Group: 1

Verdict: ACCEPTED

Test 5

Group: 1

Verdict: ACCEPTED

Test 6

Group: 2

Verdict: ACCEPTED

Test 7

Group: 2

Verdict: ACCEPTED

Test 8

Group: 2

Verdict: ACCEPTED

Test 9

Group: 2

Verdict: ACCEPTED

Test 10

Group: 2

Verdict: ACCEPTED

Test 11

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 12

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 13

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 14

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 15

Group: 3

Verdict: TIME LIMIT EXCEEDED