[HackerRank] The Love-Letter Mystery (Java)
https://www.hackerrank.com/challenges/the-love-letter-mystery/problem?isFullScreen=true
Solution
import java.io.*;
import java.util.stream.*;
class Result {
static int theLoveLetterMystery(String s) {
int answer = 0;
for (int i = 0, j = s.length() - 1; i < s.length() / 2; i++, j--) {
answer += Math.abs(s.charAt(i) - s.charAt(j));
}
return answer;
}
}
public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(System.getenv("OUTPUT_PATH")));
int q = Integer.parseInt(bufferedReader.readLine().trim());
IntStream.range(0, q).forEach(qItr -> {
try {
String s = bufferedReader.readLine();
int result = Result.theLoveLetterMystery(s);
bufferedWriter.write(String.valueOf(result));
bufferedWriter.newLine();
} catch (IOException ex) {
throw new RuntimeException(ex);
}
});
bufferedReader.close();
bufferedWriter.close();
}
}
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