結果
問題 | No.74 貯金箱の退屈 |
ユーザー |
|
提出日時 | 2016-08-06 23:01:51 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 73 ms / 5,000 ms |
コード長 | 2,944 bytes |
コンパイル時間 | 4,386 ms |
コンパイル使用メモリ | 79,068 KB |
実行使用メモリ | 38,640 KB |
最終ジャッジ日時 | 2024-11-07 04:22:24 |
合計ジャッジ時間 | 7,823 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 30 |
ソースコード
import java.io.*;import java.util.*;public class Main_yukicoder74 {public static void main(String[] args) {Scanner sc = new Scanner(System.in);Printer pr = new Printer(System.out);int n = sc.nextInt();int[] d = new int[n];for (int i = 0; i < n; i++) {d[i] = sc.nextInt();}int[] w = new int[n];BitSet[] ma = new BitSet[n + 1];for (int i = 0; i < n + 1; i++) {ma[i] = new BitSet(n);}for (int i = 0; i < n; i++) {w[i] = sc.nextInt();if (w[i] == 1) {ma[0].set(i);}}for (int i = 0; i < n; i++) {int tmp = (i + d[i]) % n;ma[i + 1].set(tmp);int tmp2 = ((i - d[i]) % n + n) % n;ma[i + 1].set(tmp2);}int cnt = 0;int p = 1;for (int i = 0; i < n; i++) {boolean flag = false;for (int j = p; j < n + 1; j++) {if (ma[j].get(i)) {flag = true;BitSet tmp = ma[j];ma[j] = ma[p];ma[p] = tmp;break;}}if (flag) {cnt++;for (int j = 1; j < n + 1; j++) {if (j != p && ma[j].get(i)) {ma[j].xor(ma[p]);}}if (ma[0].get(i)) {ma[p].clear();}p++;} else {boolean tmp = false;for (int j = 0; j < p; j++) {tmp ^= ma[j].get(i);}if (tmp) {cnt++;}}}if (cnt == n) {pr.println("Yes");} else {// pr.println(n);// pr.println(cnt);pr.println("No");}pr.close();sc.close();}@SuppressWarnings("unused")private static class Scanner {BufferedReader br;Iterator<String> it;Scanner (InputStream in) {br = new BufferedReader(new InputStreamReader(in));}String next() throws RuntimeException {try {if (it == null || !it.hasNext()) {// it = Arrays.asList(br.readLine().split(" ")).iterator();it = Arrays.asList(br.readLine().split("\\p{javaWhitespace}+")).iterator();}return it.next();} catch (IOException e) {throw new IllegalStateException();}}int nextInt() throws RuntimeException {return Integer.parseInt(next());}long nextLong() throws RuntimeException {return Long.parseLong(next());}float nextFloat() throws RuntimeException {return Float.parseFloat(next());}double nextDouble() throws RuntimeException {return Double.parseDouble(next());}void close() {try {br.close();} catch (IOException e) {// throw new IllegalStateException();}}}private static class Printer extends PrintWriter {Printer(PrintStream out) {super(out);}}}