(BOJ)백준 5430 (baekjoon 5430)
Algorithms / 백준 (BOJ)
Boj Boj 5430 백준 백준 5430 5430번 ac
(BOJ)백준 5430 - 5430번: AC
5430번: AC
코드
import java.io.*;
import java.util.ArrayList;
public class B5430 {
static int T, N;
static String ins[], in;
static ArrayList<Boolean> isR = new ArrayList<>();
static ArrayList<Integer> list = new ArrayList<>();
static boolean reverse, isError;
public static void main(String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
T = Integer.parseInt(br.readLine());
while (T-- != 0) {
in = br.readLine();isR.clear();
for (int i = 0; i < in.length(); i++) {
isR.add(in.charAt(i) == 'R');
}
N = Integer.parseInt(br.readLine());
in = br.readLine();list.clear();
String s = in.replace("[", "");
in = s.replace("]", "");
ins = in.split(",");isError = false;
for (int i = 0; i < N; i++) {
list.add(Integer.parseInt(ins[i]));
}
reverse = false;
for (int i = 0; i < isR.size(); i++) {
if (isR.get(i)) reverse = !reverse;
else {
if (!list.isEmpty())
delete(reverse);
else{
isError = true; break;
}
}
}
bw.write((isError) ? "error\n" : print(reverse) + "\n");
bw.flush();
}
bw.close();
}
public static void delete(boolean r) {
if (r) list.remove(list.size() - 1);
else list.remove(0);
}
public static String print(boolean r) {
StringBuffer sb = new StringBuffer("[");
if (r) {
for (int i = list.size() - 1; i > -1; i--) {
sb.append((i > 0) ? list.get(i) + "," : list.get(i));
}
}else {
for (int i = 0; i < list.size(); i++) {
sb.append((i < list.size() - 1) ? list.get(i) + "," : list.get(i));
}
}
sb.append("]");
return sb.toString();
}
}