URI1607AdvancingLetters.java

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;

/**
 * See
 * <a href="https://www.urionlinejudge.com.br/judge/en/problems/view/1607">Advancing
 * Letters</a>
 *
 * @author Brian Yeicol Restrepo Tangarife
 */
public class URI1607AdvancingLetters {

	static BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
	static PrintWriter out = new PrintWriter(System.out);

	public static void main(String[] args) throws IOException {
		int T = readInt(), changes, l1, l2;
		char[] w1, w2;
		String[] P;
		while (T-- > 0) {
			P = read().split("\\s");
			w1 = P[0].toLowerCase().toCharArray();
			w2 = P[1].toLowerCase().toCharArray();
			changes = 0;
			for (int i = 0; i < w1.length; i++) {
				l1 = (int) w1[i];
				l2 = (int) w2[i];
				if (l2 > l1) {
					changes += l2 - l1;
				} else if(l1 > l2){
					changes += 26 - l1 + l2;
				}
			}
			out.println(changes);
		}
		out.close();
	}

	private static String read() throws IOException {
		return in.readLine();
	}

	private static int readInt() throws IOException {
		return Integer.parseInt(in.readLine());
	}

}