結果
| 問題 |
No.1441 MErGe
|
| コンテスト | |
| ユーザー |
 suisen
|
| 提出日時 | 2021-03-27 01:42:11 |
| 言語 | Java (openjdk 23) |
| 結果 |
RE
(最新)
AC
(最初)
|
| 実行時間 | - |
| コード長 | 39,215 bytes |
| コンパイル時間 | 7,133 ms |
| コンパイル使用メモリ | 99,460 KB |
| 実行使用メモリ | 50,580 KB |
| 最終ジャッジ日時 | 2024-11-29 05:15:44 |
| 合計ジャッジ時間 | 7,155 ms |
|
ジャッジサーバーID （参考情報） |
judge2 / judge5 |
（要ログイン）
| ファイルパターン | 結果 |
|---|---|
| sample | RE * 2 |
| other | RE * 28 |
ソースコード
import java.io.EOFException;
import java.io.File;
import java.io.FileDescriptor;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.UncheckedIOException;
import java.lang.reflect.Field;
import java.nio.CharBuffer;
import java.nio.charset.CharacterCodingException;
import java.nio.charset.CharsetEncoder;
import java.nio.charset.StandardCharsets;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
import java.util.Objects;
import java.util.PrimitiveIterator;
import java.util.function.IntUnaryOperator;
import java.util.function.LongUnaryOperator;
public class Main {
public static void main(String[] args) throws Exception {
ExtendedScanner sc = new ExtendedScanner();
FastPrintStream pw = new FastPrintStream();
solve(sc, pw);
sc.close();
pw.flush();
pw.close();
}
public static void solve(ExtendedScanner sc, FastPrintStream pw) {
int n = sc.nextInt();
int q = sc.nextInt();
long[] a = sc.longs(n);
long[] s = CumulativeSum.build(a);
IntOrderedSet set = new IntOrderedSet();
for (int i = 0; i <= n; i++) {
set.add(i);
}
for (int i = 0; i < q; i++) {
int t = sc.nextInt();
int x = sc.nextInt();
int y = sc.nextInt();
if (t == 1) {
set.removeRangeIndex(x, y);
} else {
pw.println(s[set.kthElement(y)] - s[set.kthElement(x - 1)]);
}
}
}
}
/**
* @author https://atcoder.jp/users/suisen
*/
final class CumulativeSum {
public static int[] build(int[] a) {
int n = a.length;
int[] s = new int[n + 1];
for (int i = 1; i <= n; i++) s[i] = s[i - 1] + a[i - 1];
return s;
}
public static int[][] build(int[][] a) {
int n = a.length, m = a[0].length;
int[][] s = new int[n + 1][m + 1];
for (int i = 1; i <= n; i++) System.arraycopy(a[i - 1], 0, s[i], 1, m);
for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) {
s[i][j] += s[i - 1][j];
}
for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) {
s[i][j] += s[i][j - 1];
}
return s;
}
public static int[][][] build(int[][][] a) {
int n = a.length, m = a[0].length, l = a[0][0].length;
int[][][] s = new int[n + 1][m + 1][l + 1];
for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) System.arraycopy(a[i - 1][j - 1], 0, s[i][j], 1, l);
for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) for (int k = 1; k <= l; k++) {
s[i][j][k] += s[i - 1][j][k];
}
for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) for (int k = 1; k <= l; k++) {
s[i][j][k] += s[i][j - 1][k];
}
for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) for (int k = 1; k <= l; k++) {
s[i][j][k] += s[i][j][k - 1];
}
return s;
}
public static long[] build(long[] a) {
int n = a.length;
long[] s = new long[n + 1];
for (int i = 1; i <= n; i++) s[i] = s[i - 1] + a[i - 1];
return s;
}
public static long[][] build(long[][] a) {
int n = a.length;
int m = a[0].length;
long[][] s = new long[n + 1][m + 1];
for (int i = 1; i <= n; i++) System.arraycopy(a[i - 1], 0, s[i], 1, m);
for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) {
s[i][j] += s[i - 1][j];
}
for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) {
s[i][j] += s[i][j - 1];
}
return s;
}
public static long[][][] build(long[][][] a) {
int n = a.length, m = a[0].length, l = a[0][0].length;
long[][][] s = new long[n + 1][m + 1][l + 1];
for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) System.arraycopy(a[i - 1][j - 1], 0, s[i][j], 1, l);
for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) for (int k = 1; k <= l; k++) {
s[i][j][k] += s[i - 1][j][k];
}
for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) for (int k = 1; k <= l; k++) {
s[i][j][k] += s[i][j - 1][k];
}
for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) for (int k = 1; k <= l; k++) {
s[i][j][k] += s[i][j][k - 1];
}
return s;
}
public static int sum(int[] s, int l, int r) {
return s[r] - s[l];
}
public static long sum(long[] s, int l, int r) {
return s[r] - s[l];
}
public static int sum(int[][] s, int y1, int x1, int y2, int x2) {
return s[y2][x2] - s[y1][x2] - s[y2][x1] + s[y1][x1];
}
public static long sum(long[][] s, int y1, int x1, int y2, int x2) {
return s[y2][x2] - s[y1][x2] - s[y2][x1] + s[y1][x1];
}
public static int sum(int[][][] s, int i1, int j1, int k1, int i2, int j2, int k2) {
int p0 = s[i2][j2][k2];
int n1 = s[i1][j2][k2] + s[i2][j1][k2] + s[i2][j2][k1];
int p2 = s[i1][j1][k2] + s[i2][j1][k1] + s[i1][j2][k1];
int n3 = s[i1][j1][k1];
return p0 - n1 + p2 - n3;
}
public static long sum(long[][][] s, int i1, int j1, int k1, int i2, int j2, int k2) {
long p0 = s[i2][j2][k2];
long n1 = s[i1][j2][k2] + s[i2][j1][k2] + s[i2][j2][k1];
long p2 = s[i1][j1][k2] + s[i2][j1][k1] + s[i1][j2][k1];
long n3 = s[i1][j1][k1];
return p0 - n1 + p2 - n3;
}
}
class IntOrderedMultiSet implements Iterable<Integer> {
private static final Object DUMMY = new Object();
IntRandomizedBinarySearchTree<Object> root;
static int kthElement(IntRandomizedBinarySearchTree<?> t, int k) {
int c = IntRandomizedBinarySearchTree.size(t.l);
if (k < c) return kthElement(t.l, k);
if (k == c) return t.key;
return kthElement(t.r, k - c - 1);
}
public int kthElement(int k) {
if (k < 0 || k >= size()) throw new IndexOutOfBoundsException();
return kthElement(root, k);
}
public int lowerElement(int key) {return kthElement(ltCount(key) - 1);}
public int floorElement(int key) {return kthElement(leqCount(key) - 1);}
public int higherElement(int key) {return kthElement(leqCount(key));}
public int ceilingElement(int key) {return kthElement(ltCount(key));}
public int first() {return kthElement(0);}
public int last() {return kthElement(size() - 1);}
public void add(int key) {root = IntRandomizedBinarySearchTree.insert(root, leqCount(root, key), key, DUMMY);}
static IntRandomizedBinarySearchTree<Object> eraseEntry(IntRandomizedBinarySearchTree<Object> t, int key) {
return IntRandomizedBinarySearchTree.erase(t, leqCount(t, key) - 1);
}
public boolean remove(int key) {
if (contains(key)) {
root = IntRandomizedBinarySearchTree.erase(root, leqCount(root, key) - 1);
return true;
}
return false;
}
public int removeRange(int fromElement, int toElement) {
return removeRangeIndex(ltCount(fromElement), ltCount(toElement));
}
public boolean removeKthElement(int k) {
if (k < 0 || k >= size()) return false;
root = IntRandomizedBinarySearchTree.erase(root, k);
return true;
}
public int removeRangeIndex(int fromIndex, int toIndex) {
int l = Math.max(fromIndex, 0);
int r = Math.min(toIndex, size());
if (l >= r) return 0;
root = IntRandomizedBinarySearchTree.eraseRange(root, l, r);
return r - l;
}
public boolean contains(int key) {
IntRandomizedBinarySearchTree<Object> t = root;
while (t != null) {
if (t.key == key) return true;
t = t.key > key ? t.l : t.r;
}
return false;
}
static int leqCount(IntRandomizedBinarySearchTree<?> t, int key) {
if (t == null) return 0;
if (key < t.key) return leqCount(t.l, key);
return leqCount(t.r, key) + IntRandomizedBinarySearchTree.size(t.l) + 1;
}
public int leqCount(int key) {return leqCount(root, key);}
static int ltCount(IntRandomizedBinarySearchTree<?> t, int key) {
if (t == null) return 0;
if (key <= t.key) return ltCount(t.l, key);
return ltCount(t.r, key) + IntRandomizedBinarySearchTree.size(t.l) + 1;
}
public int ltCount(int key) { return ltCount(root, key); }
public int geqCount(int key) { return size() - ltCount(key); }
public int gtCount(int key) { return size() - leqCount(key); }
public int count(int key) { return leqCount(key) - ltCount(key); }
public int size() { return IntRandomizedBinarySearchTree.size(root); }
public boolean isEmpty() { return size() == 0; }
public void clear() { this.root = null; }
public PrimitiveIterator.OfInt iterator() { return isEmpty() ? IterUtil.emptyIntIterator() : root.keyIterator(); }
}
class IntOrderedSet extends IntOrderedMultiSet {
@Override public void add(int e) {if (!contains(e)) super.add(e);}
@Override public int count(int key) {return contains(key) ? 1 : 0;}
}
class IntRandomizedBinarySearchTree<V> extends IntEntry<V> implements Iterable<IntEntry<V>> {
IntRandomizedBinarySearchTree<V> l, r;
int size;
IntRandomizedBinarySearchTree(int key, V val) {super(key, val); this.size = 1;}
private IntRandomizedBinarySearchTree<V> update() {
size = size(l) + size(r) + 1;
return this;
}
private static final Random rnd = new Random();
static <V> IntRandomizedBinarySearchTree<V> merge(IntRandomizedBinarySearchTree<V> l, IntRandomizedBinarySearchTree<V> r) {
if (l == null) return r;
if (r == null) return l;
if (rnd.nextInt(l.size + r.size) < l.size) {
l.r = merge(l.r, r);
return l.update();
} else {
r.l = merge(l, r.l);
return r.update();
}
}
static <V> Pair<IntRandomizedBinarySearchTree<V>, IntRandomizedBinarySearchTree<V>> split(IntRandomizedBinarySearchTree<V> x, int k) {
if (k < 0 || k > size(x)) {
throw new IndexOutOfBoundsException(
String.format("index %d is out of bounds for the length of %d", k, size(x))
);
}
if (x == null) return new Pair<>(null, null);
Pair<IntRandomizedBinarySearchTree<V>, IntRandomizedBinarySearchTree<V>> p;
if (k <= size(x.l)) {
p = split(x.l, k);
x.l = p.snd;
p.snd = x.update();
} else {
p = split(x.r, k - size(x.l) - 1);
x.r = p.fst;
p.fst = x.update();
}
return p;
}
static <V> IntRandomizedBinarySearchTree<V> insert(IntRandomizedBinarySearchTree<V> t, int k, int key, V val) {
Pair<IntRandomizedBinarySearchTree<V>, IntRandomizedBinarySearchTree<V>> p = split(t, k);
return merge(merge(p.fst, new IntRandomizedBinarySearchTree<>(key, val)), p.snd);
}
static <V> IntRandomizedBinarySearchTree<V> erase(IntRandomizedBinarySearchTree<V> t, int k) {
Pair<IntRandomizedBinarySearchTree<V>, IntRandomizedBinarySearchTree<V>> p = split(t, k);
IntRandomizedBinarySearchTree<V> l = p.fst;
IntRandomizedBinarySearchTree<V> r = split(p.snd, 1).snd;
return merge(l, r);
}
static <V> IntRandomizedBinarySearchTree<V> eraseRange(IntRandomizedBinarySearchTree<V> t, int from, int to) {
Pair<IntRandomizedBinarySearchTree<V>, IntRandomizedBinarySearchTree<V>> p = split(t, from);
IntRandomizedBinarySearchTree<V> l = p.fst;
IntRandomizedBinarySearchTree<V> r = split(p.snd, to - from).snd;
return merge(l, r);
}
static int size(IntRandomizedBinarySearchTree<?> nd) {return nd == null ? 0 : nd.size;}
public Iterator<IntEntry<V>> iterator() {
Iterator<IntEntry<V>> it = List.<IntEntry<V>>of(this).iterator();
if (l != null) it = IterUtil.concatIterators(l.iterator(), it);
if (r != null) it = IterUtil.concatIterators(it, r.iterator());
return it;
}
public PrimitiveIterator.OfInt keyIterator() {
PrimitiveIterator.OfInt it = IterUtil.ofIntIterator(key);
if (l != null) it = IterUtil.concatIntIterators(l.keyIterator(), it);
if (r != null) it = IterUtil.concatIntIterators(it, r.keyIterator());
return it;
}
}
/**
* @author https://atcoder.jp/users/suisen
*/
final class ExtendedScanner extends FastScanner {
public ExtendedScanner() {super();}
public ExtendedScanner(InputStream in) {super(in);}
public int[] ints(final int n) {
final int[] a = new int[n];
Arrays.setAll(a, $ -> nextInt());
return a;
}
public int[] ints(final int n, final IntUnaryOperator f) {
final int[] a = new int[n];
Arrays.setAll(a, $ -> f.applyAsInt(nextInt()));
return a;
}
public int[][] ints(final int n, final int m) {
final int[][] a = new int[n][];
Arrays.setAll(a, $ -> ints(m));
return a;
}
public int[][] ints(final int n, final int m, final IntUnaryOperator f) {
final int[][] a = new int[n][];
Arrays.setAll(a, $ -> ints(m, f));
return a;
}
public long[] longs(final int n) {
final long[] a = new long[n];
Arrays.setAll(a, $ -> nextLong());
return a;
}
public long[] longs(final int n, final LongUnaryOperator f) {
final long[] a = new long[n];
Arrays.setAll(a, $ -> f.applyAsLong(nextLong()));
return a;
}
public long[][] longs(final int n, final int m) {
final long[][] a = new long[n][];
Arrays.setAll(a, $ -> longs(m));
return a;
}
public long[][] longs(final int n, final int m, final LongUnaryOperator f) {
final long[][] a = new long[n][];
Arrays.setAll(a, $ -> longs(m, f));
return a;
}
public char[][] charArrays(final int n) {
final char[][] c = new char[n][];
Arrays.setAll(c, $ -> nextChars());
return c;
}
public double[] doubles(final int n) {
final double[] a = new double[n];
Arrays.setAll(a, $ -> nextDouble());
return a;
}
public double[][] doubles(final int n, final int m) {
final double[][] a = new double[n][];
Arrays.setAll(a, $ -> doubles(m));
return a;
}
public String[] strings(final int n) {
final String[] s = new String[n];
Arrays.setAll(s, $ -> next());
return s;
}
}
/**
* @author https://atcoder.jp/users/suisen
*/
class FastPrintStream implements AutoCloseable {
private static final int INT_MAX_LEN = 11;
private static final int LONG_MAX_LEN = 20;
private int precision = 9;
private static final int BUF_SIZE = 1 << 14;
private static final int BUF_SIZE_MINUS_INT_MAX_LEN = BUF_SIZE - INT_MAX_LEN;
private static final int BUF_SIZE_MINUS_LONG_MAX_LEN = BUF_SIZE - LONG_MAX_LEN;
private final byte[] buf = new byte[BUF_SIZE];
private int ptr = 0;
private final Field strField;
private final CharsetEncoder encoder;
private final OutputStream out;
public FastPrintStream(OutputStream out) {
this.out = out;
Field f;
try {
f = String.class.getDeclaredField("value");
f.setAccessible(true);
} catch (NoSuchFieldException | SecurityException e) {
f = null;
}
this.strField = f;
this.encoder = StandardCharsets.US_ASCII.newEncoder();
}
public FastPrintStream(File file) throws IOException {
this(new FileOutputStream(file));
}
public FastPrintStream(String filename) throws IOException {
this(new File(filename));
}
public FastPrintStream() {
this(new FileOutputStream(FileDescriptor.out));
}
public FastPrintStream println() {
if (ptr == BUF_SIZE) internalFlush();
buf[ptr++] = (byte) '\n';
return this;
}
public FastPrintStream println(Object o) {
return print(o).println();
}
public FastPrintStream println(String s) {
return print(s).println();
}
public FastPrintStream println(char[] s) {
return print(s).println();
}
public FastPrintStream println(char c) {
return print(c).println();
}
public FastPrintStream println(int x) {
return print(x).println();
}
public FastPrintStream println(long x) {
return print(x).println();
}
public FastPrintStream println(double d, int precision) {
return print(d, precision).println();
}
public FastPrintStream println(double d) {
return print(d).println();
}
private FastPrintStream print(byte[] bytes) {
int n = bytes.length;
if (ptr + n > BUF_SIZE) {
internalFlush();
try {
out.write(bytes);
} catch (IOException e) {
throw new UncheckedIOException(e);
}
} else {
System.arraycopy(bytes, 0, buf, ptr, n);
ptr += n;
}
return this;
}
public FastPrintStream print(Object o) {
return print(o.toString());
}
public FastPrintStream print(String s) {
if (strField == null) {
return print(s.getBytes());
} else {
try {
Object value = strField.get(s);
if (value instanceof byte[]) {
return print((byte[]) value);
} else {
return print((char[]) value);
}
} catch (IllegalAccessException e) {
return print(s.getBytes());
}
}
}
public FastPrintStream print(char[] s) {
try {
return print(encoder.encode(CharBuffer.wrap(s)).array());
} catch (CharacterCodingException e) {
byte[] bytes = new byte[s.length];
for (int i = 0; i < s.length; i++) {
bytes[i] = (byte) s[i];
}
return print(bytes);
}
}
public FastPrintStream print(char c) {
if (ptr == BUF_SIZE) internalFlush();
buf[ptr++] = (byte) c;
return this;
}
public FastPrintStream print(int x) {
if (ptr > BUF_SIZE_MINUS_INT_MAX_LEN) internalFlush();
if (-10 < x && x < 10) {
if (x < 0) {
buf[ptr++] = '-';
x = -x;
}
buf[ptr++] = (byte) ('0' + x);
return this;
}
int d;
if (x < 0) {
if (x == Integer.MIN_VALUE) {
buf[ptr++] = '-'; buf[ptr++] = '2'; buf[ptr++] = '1'; buf[ptr++] = '4';
buf[ptr++] = '7'; buf[ptr++] = '4'; buf[ptr++] = '8'; buf[ptr++] = '3';
buf[ptr++] = '6'; buf[ptr++] = '4'; buf[ptr++] = '8';
return this;
}
d = len(x = -x);
buf[ptr++] = '-';
} else {
d = len(x);
}
int j = ptr += d;
while (x > 0) {
buf[--j] = (byte) ('0' + (x % 10));
x /= 10;
}
return this;
}
public FastPrintStream print(long x) {
if ((int) x == x) return print((int) x);
if (ptr > BUF_SIZE_MINUS_LONG_MAX_LEN) internalFlush();
int d;
if (x < 0) {
if (x == Long.MIN_VALUE) {
buf[ptr++] = '-'; buf[ptr++] = '9'; buf[ptr++] = '2'; buf[ptr++] = '2';
buf[ptr++] = '3'; buf[ptr++] = '3'; buf[ptr++] = '7'; buf[ptr++] = '2';
buf[ptr++] = '0'; buf[ptr++] = '3'; buf[ptr++] = '6'; buf[ptr++] = '8';
buf[ptr++] = '5'; buf[ptr++] = '4'; buf[ptr++] = '7'; buf[ptr++] = '7';
buf[ptr++] = '5'; buf[ptr++] = '8'; buf[ptr++] = '0'; buf[ptr++] = '8';
return this;
}
d = len(x = -x);
buf[ptr++] = '-';
} else {
d = len(x);
}
int j = ptr += d;
while (x > 0) {
buf[--j] = (byte) ('0' + (x % 10));
x /= 10;
}
return this;
}
public FastPrintStream print(double d, int precision) {
if (d < 0) {
print('-');
d = -d;
}
d += Math.pow(10, -precision) / 2;
print((long) d).print('.');
d -= (long) d;
for(int i = 0; i < precision; i++){
d *= 10;
print((int) d);
d -= (int) d;
}
return this;
}
public FastPrintStream print(double d) {
return print(d, precision);
}
public void setPrecision(int precision) {
this.precision = precision;
}
private void internalFlush() {
try {
out.write(buf, 0, ptr);
ptr = 0;
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
public void flush() {
try {
out.write(buf, 0, ptr);
out.flush();
ptr = 0;
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
public void close() {
try {
out.close();
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
private static int len(int x) {
return
x >= 1000000000 ? 10 :
x >= 100000000 ? 9 :
x >= 10000000 ? 8 :
x >= 1000000 ? 7 :
x >= 100000 ? 6 :
x >= 10000 ? 5 :
x >= 1000 ? 4 :
x >= 100 ? 3 :
x >= 10 ? 2 : 1;
}
private static int len(long x) {
return
x >= 1000000000000000000L ? 19 :
x >= 100000000000000000L ? 18 :
x >= 10000000000000000L ? 17 :
x >= 1000000000000000L ? 16 :
x >= 100000000000000L ? 15 :
x >= 10000000000000L ? 14 :
x >= 1000000000000L ? 13 :
x >= 100000000000L ? 12 :
x >= 10000000000L ? 11 : 10;
}
}
/**
* @author https://atcoder.jp/users/suisen
*/
class FastScanner implements AutoCloseable {
private final ByteBuffer tokenBuf = new ByteBuffer();
public final InputStream in;
private final byte[] rawBuf = new byte[1 << 14];
private int ptr = 0;
private int buflen = 0;
public FastScanner(InputStream in) {
this.in = in;
}
public FastScanner() {
this(new FileInputStream(FileDescriptor.in));
}
private int readByte() {
if (ptr < buflen) return rawBuf[ptr++];
ptr = 0;
try {
buflen = in.read(rawBuf);
if (buflen > 0) {
return rawBuf[ptr++];
} else {
throw new EOFException();
}
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
private int readByteUnsafe() {
if (ptr < buflen) return rawBuf[ptr++];
ptr = 0;
try {
buflen = in.read(rawBuf);
if (buflen > 0) {
return rawBuf[ptr++];
} else {
return -1;
}
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
private int skipUnprintableChars() {
int b = readByte();
while (b <= 32 || b >= 127) b = readByte();
return b;
}
private void loadToken() {
tokenBuf.clear();
for (int b = skipUnprintableChars(); 32 < b && b < 127; b = readByteUnsafe()) {
tokenBuf.append(b);
}
}
public final boolean hasNext() {
for (int b = readByteUnsafe(); b <= 32 || b >= 127; b = readByteUnsafe()) {
if (b == -1) return false;
}
--ptr;
return true;
}
public final String next() {
loadToken();
return new String(tokenBuf.getRawBuf(), 0, tokenBuf.size());
}
public final String nextLine() {
tokenBuf.clear();
for (int b = readByte(); b != '\n'; b = readByteUnsafe()) {
if (b == -1) break;
tokenBuf.append(b);
}
return new String(tokenBuf.getRawBuf(), 0, tokenBuf.size());
}
public final char nextChar() {
return (char) skipUnprintableChars();
}
public final char[] nextChars() {
loadToken();
return tokenBuf.toCharArray();
}
public final long nextLong() {
long n = 0;
boolean isNegative = false;
int b = skipUnprintableChars();
if (b == '-') {
isNegative = true;
b = readByteUnsafe();
}
if (b < '0' || '9' < b) throw new NumberFormatException();
while ('0' <= b && b <= '9') {
// -9223372036854775808 - 9223372036854775807
if (n >= 922337203685477580L) {
if (n > 922337203685477580L) {
throw new ArithmeticException("long overflow");
}
if (isNegative) {
if (b >= '9') {
throw new ArithmeticException("long overflow");
}
n = -n - (b - '0');
} else {
if (b >= '8') {
throw new ArithmeticException("long overflow");
}
n = n * 10 + b - '0';
}
b = readByteUnsafe();
if ('0' <= b && b <= '9') {
throw new ArithmeticException("long overflow");
} else if (b <= 32 || b >= 127) {
return n;
} else {
throw new NumberFormatException();
}
}
n = n * 10 + b - '0';
b = readByteUnsafe();
}
if (b <= 32 || b >= 127) return isNegative ? -n : n;
throw new NumberFormatException();
}
public final int nextInt() {
long value = nextLong();
if ((int) value != value) {
throw new ArithmeticException("int overflow");
}
return (int) value;
}
public final double nextDouble() {
return Double.parseDouble(next());
}
public final void close() {
try {
in.close();
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
@SuppressWarnings("UnusedReturnValue")
private static final class ByteBuffer {
private static final int DEFAULT_BUF_SIZE = 1 << 12;
private byte[] buf;
private int ptr = 0;
private ByteBuffer(@SuppressWarnings("SameParameterValue") int capacity) {
this.buf = new byte[capacity];
}
private ByteBuffer() {
this(DEFAULT_BUF_SIZE);
}
private ByteBuffer append(int b) {
if (ptr == buf.length) {
int newLength = buf.length << 1;
byte[] newBuf = new byte[newLength];
System.arraycopy(buf, 0, newBuf, 0, buf.length);
buf = newBuf;
}
buf[ptr++] = (byte) b;
return this;
}
private char[] toCharArray() {
char[] chs = new char[ptr];
for (int i = 0; i < ptr; i++) {
chs[i] = (char) buf[i];
}
return chs;
}
private byte[] getRawBuf() {
return buf;
}
private int size() {
return ptr;
}
private void clear() {
ptr = 0;
}
}
}
final class Random {
private static final double DOUBLE_UNIT = 0x1.0p-53;
private int x = 123456789;
private int y = 362436069;
private int z = 521288629;
private int w = 88675123;
public int nextInt() {
int t = x ^ (x << 11);
x = y; y = z; z = w;
return w = (w ^ (w >> 19)) ^ (t ^ (t >> 8));
}
public long nextLong() {
return ((long) (nextInt()) << 32) + nextInt();
}
public int nextInt(int bound) {
return nextInt() % bound;
}
public boolean nextBoolean() {
return (nextInt() & 1) == 0;
}
public double nextDouble() {
return (((long) (next(26)) << 27) + next(27)) * DOUBLE_UNIT;
}
private int next(int bits) {
int mask = bits == 32 ? -1 : (1 << bits) - 1;
return nextInt() & mask;
}
}
class IterUtil {
private static final Iterator<?> EMPTY_ITERATOR = new Iterator<>(){
public boolean hasNext() {return false;}
public Object next() {throw new UnsupportedOperationException();}
};
private static final PrimitiveIterator.OfInt EMPTY_INT_ITERATOR = new PrimitiveIterator.OfInt(){
public boolean hasNext() {return false;}
public int nextInt() {throw new UnsupportedOperationException();}
};
private static final PrimitiveIterator.OfLong EMPTY_LONG_ITERATOR = new PrimitiveIterator.OfLong(){
public boolean hasNext() {return false;}
public long nextLong() {throw new UnsupportedOperationException();}
};
private static final PrimitiveIterator.OfDouble EMPTY_DOUBLE_ITERATOR = new PrimitiveIterator.OfDouble(){
public boolean hasNext() {return false;}
public double nextDouble() {throw new UnsupportedOperationException();}
};
@SuppressWarnings("unchecked")
private static final Iterable<?> EMPTY_ITERABLE = () -> (Iterator<Object>) EMPTY_ITERATOR;
public static PrimitiveIterator.OfInt emptyIntIterator() {return EMPTY_INT_ITERATOR;}
public static PrimitiveIterator.OfLong emptyLongIterator() {return EMPTY_LONG_ITERATOR;}
public static PrimitiveIterator.OfDouble emptyDoubleIterator() {return EMPTY_DOUBLE_ITERATOR;}
@SuppressWarnings("unchecked")
public static <V> Iterator<V> emptyIterator() {return (Iterator<V>) EMPTY_ITERATOR;}
@SuppressWarnings("unchecked")
public static <V> Iterable<V> emptyIterable() {return (Iterable<V>) EMPTY_ITERABLE;}
private static <V> Iterator<V> concatIterators(Iterator<? extends Iterator<V>> iterIterator) {
return new Iterator<V>(){
Iterator<V> it = emptyIterator();
public boolean hasNext() {
while (!it.hasNext()) {
if (!iterIterator.hasNext()) return false;
it = iterIterator.next();
}
return true;
}
public V next() {return it.next();}
};
}
private static PrimitiveIterator.OfInt concatIntIterators(Iterator<PrimitiveIterator.OfInt> iterIterator) {
return new PrimitiveIterator.OfInt(){
PrimitiveIterator.OfInt it = emptyIntIterator();
public boolean hasNext() {
while (!it.hasNext()) {
if (!iterIterator.hasNext()) return false;
it = iterIterator.next();
}
return true;
}
public int nextInt() {return it.nextInt();}
};
}
private static PrimitiveIterator.OfLong concatLongIterators(Iterator<PrimitiveIterator.OfLong> iterIterator) {
return new PrimitiveIterator.OfLong(){
PrimitiveIterator.OfLong it = emptyLongIterator();
public boolean hasNext() {
while (!it.hasNext()) {
if (!iterIterator.hasNext()) return false;
it = iterIterator.next();
}
return true;
}
public long nextLong() {return it.nextLong();}
};
}
private static PrimitiveIterator.OfDouble concatDoubleIterators(Iterator<PrimitiveIterator.OfDouble> iterIterator) {
return new PrimitiveIterator.OfDouble(){
PrimitiveIterator.OfDouble it = emptyDoubleIterator();
public boolean hasNext() {
while (!it.hasNext()) {
if (!iterIterator.hasNext()) return false;
it = iterIterator.next();
}
return true;
}
public double nextDouble() {return it.nextDouble();}
};
}
private static <V> Iterable<V> concatIterables(Iterator<? extends Iterable<V>> iterIterator) {
return () -> new Iterator<V>(){
Iterator<V> it = emptyIterator();
public boolean hasNext() {
while (!it.hasNext()) {
if (!iterIterator.hasNext()) return false;
it = iterIterator.next().iterator();
}
return true;
}
public V next() {return it.next();}
};
}
public static <V> Iterator<V> concatIterators(Iterator<V> it1, Iterator<V> it2) {
return concatIterators(List.of(it1, it2).iterator());
}
public static <V> Iterator<V> concatIterators(Iterator<V> it1, Iterator<V> it2, Iterator<V> it3) {
return concatIterators(List.of(it1, it2, it3).iterator());
}
public static <V> Iterator<V> concatIterators(Iterator<V> it1, Iterator<V> it2, Iterator<V> it3, Iterator<V> it4) {
return concatIterators(List.of(it1, it2, it3, it4).iterator());
}
public static <V> Iterator<V> concatIterators(Iterable<? extends Iterator<V>> its) {
return concatIterators(its.iterator());
}
public static PrimitiveIterator.OfInt concatIntIterators(PrimitiveIterator.OfInt it1, PrimitiveIterator.OfInt it2) {
return concatIntIterators(List.of(it1, it2).iterator());
}
public static PrimitiveIterator.OfInt concatIntIterators(PrimitiveIterator.OfInt it1, PrimitiveIterator.OfInt it2, PrimitiveIterator.OfInt it3) {
return concatIntIterators(List.of(it1, it2, it3).iterator());
}
public static PrimitiveIterator.OfInt concatIntIterators(PrimitiveIterator.OfInt it1, PrimitiveIterator.OfInt it2, PrimitiveIterator.OfInt it3, PrimitiveIterator.OfInt it4) {
return concatIntIterators(List.of(it1, it2, it3, it4).iterator());
}
public static PrimitiveIterator.OfInt concatIntIterators(Iterable<PrimitiveIterator.OfInt> its) {
return concatIntIterators(its.iterator());
}
public static PrimitiveIterator.OfLong concatLongIterators(PrimitiveIterator.OfLong it1, PrimitiveIterator.OfLong it2) {
return concatLongIterators(List.of(it1, it2).iterator());
}
public static PrimitiveIterator.OfLong concatLongIterators(PrimitiveIterator.OfLong it1, PrimitiveIterator.OfLong it2, PrimitiveIterator.OfLong it3) {
return concatLongIterators(List.of(it1, it2, it3).iterator());
}
public static PrimitiveIterator.OfLong concatLongIterators(PrimitiveIterator.OfLong it1, PrimitiveIterator.OfLong it2, PrimitiveIterator.OfLong it3, PrimitiveIterator.OfLong it4) {
return concatLongIterators(List.of(it1, it2, it3, it4).iterator());
}
public static PrimitiveIterator.OfLong concatLongIterators(Iterable<PrimitiveIterator.OfLong> its) {
return concatLongIterators(its.iterator());
}
public static PrimitiveIterator.OfDouble concatDoubleIterators(PrimitiveIterator.OfDouble it1, PrimitiveIterator.OfDouble it2) {
return concatDoubleIterators(List.of(it1, it2).iterator());
}
public static PrimitiveIterator.OfDouble concatDoubleIterators(PrimitiveIterator.OfDouble it1, PrimitiveIterator.OfDouble it2, PrimitiveIterator.OfDouble it3) {
return concatDoubleIterators(List.of(it1, it2, it3).iterator());
}
public static PrimitiveIterator.OfDouble concatDoubleIterators(PrimitiveIterator.OfDouble it1, PrimitiveIterator.OfDouble it2, PrimitiveIterator.OfDouble it3, PrimitiveIterator.OfDouble it4) {
return concatDoubleIterators(List.of(it1, it2, it3, it4).iterator());
}
public static PrimitiveIterator.OfDouble concatDoubleIterators(Iterable<PrimitiveIterator.OfDouble> its) {
return concatDoubleIterators(its.iterator());
}
public static <V> Iterable<V> concatIterables(Iterable<V> it1, Iterable<V> it2) {
return concatIterables(List.of(it1, it2));
}
public static <V> Iterable<V> concatIterables(Iterable<V> it1, Iterable<V> it2, Iterable<V> it3) {
return concatIterables(List.of(it1, it2, it3));
}
public static <V> Iterable<V> concatIterables(Iterable<V> it1, Iterable<V> it2, Iterable<V> it3, Iterable<V> it4) {
return concatIterables(List.of(it1, it2, it3, it4));
}
public static <V> Iterable<V> concatIterables(Iterable<? extends Iterable<V>> its) {
return concatIterables(its.iterator());
}
public static PrimitiveIterator.OfInt ofIntIterator(int e) {
return new PrimitiveIterator.OfInt(){
boolean seen;
public boolean hasNext() {return !seen;}
public int nextInt() {seen = true; return e;}
};
}
public static PrimitiveIterator.OfLong ofLongIterator(long e) {
return new PrimitiveIterator.OfLong(){
boolean seen;
public boolean hasNext() {return !seen;}
public long nextLong() {seen = true; return e;}
};
}
public static PrimitiveIterator.OfDouble ofIntIterator(double e) {
return new PrimitiveIterator.OfDouble(){
boolean seen;
public boolean hasNext() {return !seen;}
public double nextDouble() {seen = true; return e;}
};
}
}
class IntEntry<V> {
public int key;
public V val;
public IntEntry(int key, V val) {
this.key = key;
this.val = val;
}
public int getKey() {return key;}
public V getValue() {return val;}
public V setValue(V val) {
V oldValue = this.val;
this.val = val;
return oldValue;
}
public boolean equals(Object o) {
if (!(o instanceof IntEntry)) return false;
IntEntry<?> e = (IntEntry<?>) o;
return key == e.getKey() && Objects.equals(val, e.val);
}
public int hashCode() {
int keyHash = key;
int valueHash = (val == null ? 0 : val.hashCode());
return keyHash ^ valueHash;
}
public String toString() {return key + "=" + val;}
}
/**
* @author https://atcoder.jp/users/suisen
*/
final class Pair<E0, E1> {
public E0 fst;
public E1 snd;
public Pair(final E0 fst, final E1 snd) {this.fst = fst; this.snd = snd;}
@Override @SuppressWarnings("all")
public boolean equals(final Object o) {
if (this == o) return true;
if (!(o instanceof Pair)) return false;
final Pair p = (Pair) o;
return this.fst.equals(p.fst) && this.snd.equals(p.snd);
}
@Override
public int hashCode() {return Objects.hash(this.fst, this.snd);}
@Override
public String toString() {return "(" + this.fst.toString() + ", " + this.snd.toString() + ")";}
}