結果
問題 | No.1210 XOR Grid |
ユーザー | mikit |
提出日時 | 2020-08-30 16:33:59 |
言語 | Java21 (openjdk 21) |
結果 |
RE
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 13,811 bytes |
コンパイル時間 | 3,504 ms |
コンパイル使用メモリ | 95,860 KB |
実行使用メモリ | 52,328 KB |
最終ジャッジ日時 | 2024-11-15 11:22:06 |
合計ジャッジ時間 | 9,314 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | RE | - |
testcase_01 | RE | - |
testcase_02 | RE | - |
testcase_03 | RE | - |
testcase_04 | RE | - |
testcase_05 | RE | - |
testcase_06 | RE | - |
testcase_07 | RE | - |
testcase_08 | RE | - |
testcase_09 | RE | - |
testcase_10 | RE | - |
testcase_11 | RE | - |
testcase_12 | RE | - |
testcase_13 | RE | - |
testcase_14 | RE | - |
testcase_15 | RE | - |
testcase_16 | RE | - |
testcase_17 | RE | - |
testcase_18 | RE | - |
testcase_19 | RE | - |
testcase_20 | RE | - |
testcase_21 | RE | - |
testcase_22 | RE | - |
testcase_23 | RE | - |
testcase_24 | RE | - |
testcase_25 | RE | - |
testcase_26 | RE | - |
testcase_27 | RE | - |
testcase_28 | RE | - |
testcase_29 | RE | - |
testcase_30 | RE | - |
testcase_31 | RE | - |
testcase_32 | RE | - |
testcase_33 | RE | - |
testcase_34 | RE | - |
testcase_35 | RE | - |
testcase_36 | RE | - |
testcase_37 | RE | - |
testcase_38 | RE | - |
testcase_39 | RE | - |
testcase_40 | RE | - |
testcase_41 | RE | - |
testcase_42 | RE | - |
testcase_43 | RE | - |
testcase_44 | RE | - |
testcase_45 | RE | - |
testcase_46 | RE | - |
testcase_47 | RE | - |
testcase_48 | RE | - |
testcase_49 | RE | - |
testcase_50 | RE | - |
testcase_51 | RE | - |
testcase_52 | RE | - |
testcase_53 | RE | - |
testcase_54 | RE | - |
testcase_55 | RE | - |
testcase_56 | RE | - |
testcase_57 | RE | - |
testcase_58 | RE | - |
testcase_59 | RE | - |
ソースコード
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.util.Arrays; import java.nio.ByteBuffer; import java.nio.charset.Charset; import java.util.NoSuchElementException; import java.io.OutputStream; import java.nio.CharBuffer; import java.io.IOException; import java.nio.charset.CharsetDecoder; import java.lang.reflect.Field; import java.nio.charset.StandardCharsets; import java.io.UncheckedIOException; import java.util.Objects; import java.io.Writer; import java.io.InputStream; /** * Built using CHelper reloaded plug-in * Actual solution is at the top * * @author mikit */ public class Main { public static void main(String[] args) { InputStream inputStream = System.in; OutputStream outputStream = System.out; LightScanner2 in = new LightScanner2(inputStream); LightWriter2 out = new LightWriter2(outputStream); No1210XORGrid solver = new No1210XORGrid(); solver.solve(1, in, out); out.close(); } static class No1210XORGrid { private static final int MOD = (int) 1e9 + 7; public void solve(int testNumber, LightScanner2 in, LightWriter2 out) { int n = in.ints(), m = in.ints(), x = in.ints(); long[] a = in.longs(n), b = in.longs(m); long xor = 0; for (int i = 0; i < n; i++) xor ^= a[i]; for (int i = 0; i < m; i++) xor ^= b[i]; if (xor != 0) { out.ans(0).ln(); return; } ModMath mod = new ModMath(); out.ans(mod.pow((1L << x) % MOD, (n - 1L) * (m - 1L))).ln(); } } static class ModMath { private static final int DEFAULT_MOD = 1_000_000_007; private final long mod; public ModMath(long mod, boolean unsafe) { /*if (!unsafe && !IntMath.isPrime(mod)) { throw new RuntimeException("This class is designed for primes!"); }*/ this.mod = mod; } public ModMath(long mod) { this(mod, false); } public ModMath() { this(DEFAULT_MOD, true); } public long mod(long x) { x %= mod; return x < 0 ? x + mod : x; } public long inv(long x) { //return pow(x, mod - 2); return mod(LongEuclidSolver.solve(x, mod).x); } public long pow(long x, long y) { y %= (mod - 1); if (y < 0) { return pow(inv(x), -y); } else if (y == 0) { return 1; } else if (y % 2 == 0) { long z = pow(x, y / 2); return (z * z) % mod; } else { return (x % mod) * pow(x, y - 1) % mod; } } } static class LightScanner2 extends LightScannerAdapter { private static final int BUF_SIZE = 32 * 1024; private final InputStream stream; private final StringBuilder builder = new StringBuilder(); private final byte[] buf = new byte[BUF_SIZE]; private int ptr; private int len; public LightScanner2(InputStream stream) { this.stream = stream; } private int read() { if (ptr < len) return buf[ptr++]; try { ptr = 0; len = stream.read(buf); } catch (IOException ex) { throw new UncheckedIOException(ex); } if (len == -1) return -1; return buf[ptr++]; } private void skip() { int b; while (isTokenSeparator(b = read()) && b != -1) ; if (b == -1) throw new NoSuchElementException("EOF"); ptr--; } private void loadToken() { builder.setLength(0); skip(); for (int b = read(); !isTokenSeparator(b); b = read()) { builder.appendCodePoint(b); } } public String string() { loadToken(); return builder.toString(); } public int ints() { long x = longs(); if (x < Integer.MIN_VALUE || Integer.MAX_VALUE < x) throw new NumberFormatException("Overflow"); return (int) x; } public long longs() { skip(); int b = read(); boolean negate; if (b == '-') { negate = true; b = read(); } else negate = false; long x = 0; for (; !isTokenSeparator(b); b = read()) { if ('0' <= b && b <= '9') x = x * 10 + b - '0'; else throw new NumberFormatException("Unexpected character '" + b + "'"); } return negate ? -x : x; } public void close() { try { stream.close(); } catch (IOException e) { throw new UncheckedIOException(e); } } private static boolean isTokenSeparator(int b) { return b < 33 || 126 < b; } } static class LongEuclidSolver { private LongEuclidSolver() { } public static Vec3l solve(long a, long b) { LongEuclidSolver.ReferenceLong p = new LongEuclidSolver.ReferenceLong(), q = new LongEuclidSolver.ReferenceLong(); long d = solve(a, b, p, q); return new Vec3l(p.val, q.val, d); } private static long solve(long a, long b, LongEuclidSolver.ReferenceLong p, LongEuclidSolver.ReferenceLong q) { if (b == 0) { p.val = 1; q.val = 0; return a; } else { long d = solve(b, a % b, q, p); q.val -= (a / b) * p.val; return d; } } private static class ReferenceLong { private long val; } } static class Vec3i implements Comparable<Vec3i> { public int x; public int y; public int z; public Vec3i(int x, int y, int z) { this.x = x; this.y = y; this.z = z; } public boolean equals(Object o) { if (this == o) return true; if (o == null || getClass() != o.getClass()) return false; Vec3i vec3i = (Vec3i) o; return x == vec3i.x && y == vec3i.y && z == vec3i.z; } public int hashCode() { return Objects.hash(x, y, z); } public String toString() { return "(" + x + ", " + y + ", " + z + ")"; } public int compareTo(Vec3i o) { if (x == o.x) { if (y == o.y) { return Integer.compare(z, o.z); } return Integer.compare(y, o.z); } return Integer.compare(x, o.x); } } static interface Verified { } static class LightWriter2 implements AutoCloseable { private static final int BUF_SIZE = 32 * 1024; private static final int BUF_THRESHOLD = 1024; private final OutputStream out; private final byte[] buf = new byte[BUF_SIZE]; private int ptr; private final Field fastStringAccess; private boolean autoflush = false; private boolean breaked = true; public LightWriter2(OutputStream out) { this.out = out; Field f; try { f = String.class.getDeclaredField("value"); f.setAccessible(true); if (f.getType() != byte[].class) f = null; } catch (ReflectiveOperationException ignored) { f = null; } this.fastStringAccess = f; } public LightWriter2(Writer out) { this.out = new LightWriter2.WriterOutputStream(out); this.fastStringAccess = null; } private void allocate(int n) { if (ptr + n <= BUF_SIZE) return; try { out.write(buf, 0, ptr); ptr = 0; } catch (IOException ex) { throw new UncheckedIOException(ex); } if (BUF_SIZE < n) throw new IllegalArgumentException("Internal buffer exceeded"); } public void close() { try { out.write(buf, 0, ptr); ptr = 0; out.flush(); out.close(); } catch (IOException ex) { throw new UncheckedIOException(ex); } } public LightWriter2 print(char c) { allocate(1); buf[ptr++] = (byte) c; breaked = false; return this; } public LightWriter2 print(String s) { byte[] bytes; if (this.fastStringAccess == null) bytes = s.getBytes(); else { try { bytes = (byte[]) fastStringAccess.get(s); } catch (IllegalAccessException ignored) { bytes = s.getBytes(); } } int n = bytes.length; if (n <= BUF_THRESHOLD) { allocate(n); System.arraycopy(bytes, 0, buf, ptr, n); ptr += n; return this; } try { out.write(buf, 0, ptr); ptr = 0; out.write(bytes); out.flush(); } catch (IOException ex) { throw new UncheckedIOException(ex); } return this; } public LightWriter2 ans(long l) { if (!breaked) { print(' '); } if (l == 0) return print('0'); if (l < 0) { print('-'); l = -l; } int n = 0; long t = l; while (t > 0) { t /= 10; n++; } allocate(n); for (int i = 1; i <= n; i++) { buf[ptr + n - i] = (byte) (l % 10 + '0'); l /= 10; } ptr += n; return this; } public LightWriter2 ans(int i) { if (!breaked) { print(' '); } if (i == 0) return print('0'); if (i < 0) { print('-'); i = -i; } int n = 0; long t = i; while (t > 0) { t /= 10; n++; } allocate(n); for (int j = 1; j <= n; j++) { buf[ptr + n - j] = (byte) (i % 10 + '0'); i /= 10; } ptr += n; return this; } public LightWriter2 ln() { print(System.lineSeparator()); breaked = true; if (autoflush) { try { out.flush(); } catch (IOException ex) { throw new UncheckedIOException(ex); } } return this; } private static class WriterOutputStream extends OutputStream { final Writer writer; final CharsetDecoder decoder; WriterOutputStream(Writer writer) { this.writer = writer; this.decoder = StandardCharsets.UTF_8.newDecoder(); } public void write(int b) throws IOException { writer.write(b); } public void write(byte[] b) throws IOException { writer.write(decoder.decode(ByteBuffer.wrap(b)).array()); } public void write(byte[] b, int off, int len) throws IOException { writer.write(decoder.decode(ByteBuffer.wrap(b, off, len)).array()); } public void flush() throws IOException { writer.flush(); } public void close() throws IOException { writer.close(); } } } static abstract class LightScannerAdapter implements AutoCloseable { public abstract String string(); public long longs() { return Long.parseLong(string()); } public final long[] longs(int length) { long[] res = new long[length]; Arrays.setAll(res, ignored -> longs()); return res; } public abstract void close(); } static class Vec3l implements Comparable<Vec3l> { public long x; public long y; public long z; public Vec3l(long x, long y, long z) { this.x = x; this.y = y; this.z = z; } public boolean equals(Object o) { if (this == o) return true; if (o == null || getClass() != o.getClass()) return false; Vec3i vec3i = (Vec3i) o; return x == vec3i.x && y == vec3i.y && z == vec3i.z; } public int hashCode() { return Objects.hash(x, y, z); } public String toString() { return "(" + x + ", " + y + ", " + z + ")"; } public int compareTo(Vec3l o) { if (x == o.x) { if (y == o.y) { return Long.compare(z, o.z); } return Long.compare(y, o.z); } return Long.compare(x, o.x); } } }