public String toString() {
StringBuilder S = new StringBuilder();
for (PR p : Prog) {
int t = p.getTimes();
char c = p.getC();
for (int i = 0; i < t; i++) {
S.append(c);
}
}
return S.toString();
}
public void add(char C) {
try {
last = Prog.get(Prog.size() - 1);
if (last.getC() == C) {
last.inc();
} else {
last = new PR(C);
Prog.add(last);
}
} catch (java.lang.IndexOutOfBoundsException e) {
last = new PR(C);
Prog.add(last);
}
}
public Program clone() {
ArrayList<PR> newProg = new ArrayList<PR>(Prog);
int lastIndex = Prog.size() - 1;
if (lastIndex >= 0) {
newProg.set(lastIndex, last.clone());
}
return new Program(newProg);
}
