문제 출처: https://www.acmicpc.net/problem/10809
문제
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Arrays;
public class Main {
public static void main(String[] args) throws IOException{
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
char[] target = reader.readLine().toCharArray();
int[] result = new int[26];
Arrays.fill(result, -1);
for (int i = 0; i < target.length; i++) {
int temp = target[i] - 'a';
if (result[temp] == -1) {
result[temp] = i;
}
}
for (int n : result) {
System.out.printf("%d ", n);
}
}
}