deli.java

Ulm大学2007年竞赛题和解题报告

/* Dennis Waldherr */
import java.util.*;
import java.io.*;
import static java.lang.System.*;

public class deli {
	public static void main(String... args) throws Throwable {
		Scanner s = new Scanner(new FileInputStream("deli.in"));
		s.useDelimiter("\\s+");
		int L = s.nextInt(), N = s.nextInt();
		Map<String, String> m = new HashMap<String, String>();
		while (L-- > 0) {
			String a = s.next();
			String b = s.next();
			m.put(a, b);
		}
		while (N-- > 0) {
			String w = s.next();
			if (m.containsKey(w)) {
				out.println(m.get(w));
			} else if (w.endsWith("y") && "aeiou".indexOf(w.charAt(w.length() - 2)) < 0) {
				out.println(w.substring(0, w.length() - 1) + "ies");
			} else if (w.endsWith("o") || w.endsWith("s") || w.endsWith("ch") || w.endsWith("sh")
					|| w.endsWith("x")) {
				out.println(w + "es");
			} else {
				out.println(w + "s");
			}
		}
	}
}