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A268.java
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import java.util.TreeMap;
import java.util.Map;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;
public class A268 {
//Clase para acelerar la lectura por teclado.
static class FastScanner {
BufferedReader br;
StringTokenizer st;
public FastScanner() {
br = new BufferedReader(new InputStreamReader(System.in));
}
String next() {
while (st == null || !st.hasMoreElements()) {
try {
st = new StringTokenizer(br.readLine());
} catch (IOException e) {
e.printStackTrace();
}
}
return st.nextToken();
}
int nextInt() {
return Integer.parseInt(next());
}
}
public static void main(String[] args) {
FastScanner sc = new FastScanner();
while (true) {
int numeroPlatos = sc.nextInt();
int numeroCoronas = sc.nextInt();
if (numeroPlatos == 0 && numeroPlatos == 0) {
return;
}
int[] platos = new int[numeroPlatos];
int[] coronas = new int[numeroCoronas];
for (int i = 0; i < numeroPlatos; i++) {
platos[i] = sc.nextInt();
}
for (int i = 0; i < numeroCoronas; i++) {
coronas[i] = sc.nextInt();
}
//Se introducen las relaciones de marchas en un TreeMap para que ya estén ordenadas.
Map<Float, String> relacionMarchas = new TreeMap<>();
for (int i = 0; i < platos.length; i++) {
for (int j = 0; j < coronas.length; j++) {
float relacion = (float)platos[i] / coronas[j];
String desarrollo = platos[i] + "-" + coronas[j];
relacionMarchas.put(relacion, desarrollo);
}
}
//Se imprime evitando el espacio final.
int count = 0;
for (Map.Entry<Float, String> entry : relacionMarchas.entrySet()) {
System.out.print(entry.getValue());
count++;
if (count < relacionMarchas.size()) {
System.out.print(" ");
}
}
System.out.println();
}
}
}