public static void main(String[] args) {
try {
AssociativeArray<Integer> ent = new AssociativeArray(20);
p101queue<String> ref = new p101queue();
File food = new File(args[0]);
Scanner readf = new Scanner(food);
while (readf.hasNextLine()) {
String line = readf.nextLine();
if (line.split(":")[0].equals("entrada")) {
if (ent.exists(line.split(" ")[1]))
ent.set(line.split(" ")[1], (Integer) ((int) (ent.get(line.split(" ")[1]) + 1)));
else ent.set(line.split(" ")[1], 1);
} else {
ref.in(line.substring(7));
}
while (!ref.isEmpty()) {
if (checkCanRemove(ref.peek(), ent)) {
out.println("Refeição servida: " + ref.peek());
ref.out();
} else break;
}
}
out.println("Comida em Stock:");
for (String i : ent.keysToArray()) out.println("\t" + i + " : " + ent.get(i));
while (!ref.isEmpty()) {
out.println("Refeições não servidas: " + ref.peek());
ref.out();
}
} catch (Throwable e) {
err.println("Erro nos ficheiros.\n" + e.getMessage());
}
}
public static boolean checkCanRemove(String peek, AssociativeArray ent) {
String[] div = peek.split(":");
String s = "";
for (int i = 0; i < div.length - 1; i++) {
if (i > 0) s = div[i].substring(2);
else s = div[0];
if (!ent.exists(s)) return false;
int a = (int) ent.get(s);
int b = Integer.parseInt(div[i + 1].substring(0, 1));
if (!(a >= b)) return false;
}
for (int i = 0; i < div.length - 1; i++) {
if (i > 0) s = div[i].substring(2);
else s = div[0];
int a = (int) ent.get(s);
int b = Integer.parseInt(div[i + 1].substring(0, 1));
ent.set(s, a - b);
}
return true;
}
