[20251017] BOJ / G4 / 리모컨 / 김민진

zinnnn37/202510/17 BOJ G4 리모컨.md

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+```java
+import java.io.*;
+import java.util.StringTokenizer;
+
+public class BJ_1107_리모컨 {
+
+	private static final BufferedReader  br = new BufferedReader(new InputStreamReader(System.in));
+	private static final BufferedWriter  bw = new BufferedWriter(new OutputStreamWriter(System.out));
+	private static       StringTokenizer st;
+
+	private static int N, M, ans;
+	private static String[] malfunctioningButtons;
+
+	public static void main(String[] args) throws IOException {
+		init();
+		sol();
+	}
+
+	private static void init() throws IOException {
+		N = Integer.parseInt(br.readLine());
+		M = Integer.parseInt(br.readLine());
+		ans = Math.abs(N - 100);
+
+		malfunctioningButtons = new String[M];
+
+		if (M > 0) {
+			st = new StringTokenizer(br.readLine());
+			for (int i = 0; i < M; i++) {
+				malfunctioningButtons[i] = st.nextToken();
+			}
+		}
+	}
+
+	private static void sol() throws IOException {
+		for (int i = 0; i <= 1000000; i++) {
+			String check = String.valueOf(i);
+
+			boolean flag = true;
+			for (String malfunctioningButton : malfunctioningButtons) {
+				if (check.contains(malfunctioningButton)) {
+					flag = false;
+					break;
+				}
+			}
+			if (flag) {
+				ans = Math.min(ans, check.length() + Math.abs(N - i));
+			}
+		}
+
+		bw.write(ans + "");
+		bw.flush();
+		bw.close();
+		br.close();
+	}
+
+}
+```