結果
| 問題 | No.1308 ジャンプビーコン |
| ユーザー |
 suisen
|
| 提出日時 | 2020-12-05 08:31:36 |
| 言語 | Java21 (openjdk 21) |
| 結果 |
RE
(最新)
AC
(最初)
|
| 実行時間 | - |
| コード長 | 33,545 bytes |
| コンパイル時間 | 3,616 ms |
| コンパイル使用メモリ | 95,932 KB |
| 実行使用メモリ | 37,540 KB |
| 最終ジャッジ日時 | 2024-09-15 12:49:05 |
| 合計ジャッジ時間 | 6,959 ms |
|
ジャッジサーバーID （参考情報） |
judge1 / judge5 |
（要ログイン）
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 | - |
ソースコード
import java.io.InputStream;
import java.util.Arrays;
import java.util.Iterator;
import java.util.PrimitiveIterator;
import java.util.function.Consumer;
import java.util.function.IntUnaryOperator;
import java.util.function.LongBinaryOperator;
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();
}
@SuppressWarnings("unchecked")
public static void solve(ExtendedScanner sc, FastPrintStream pw) {
final int N = sc.nextInt();
final int Q = sc.nextInt();
final int C = sc.nextInt();
AdjacentList<SimpleEdge> adj = new AdjacentList<>(N, N - 1, false);
for (int i = 1; i < N; i++) {
int u = sc.nextInt() - 1;
int v = sc.nextInt() - 1;
long l = sc.nextLong();
adj.addEdge(new SimpleEdge(u, v, l));
}
int[] x = sc.ints(Q, e -> e - 1);
long[][] d = new long[N][N];
DFS<SimpleEdge>[] dfs = new DFS[N];
Arrays.setAll(dfs, i -> {
long[] di = d[i];
return new DFS<>(adj, i, e -> di[e.to] = di[e.from] + e.cost);
});
long[] pdp = new long[N];
long[] dp = new long[N];
Arrays.fill(pdp, Const.LINF);
int s = x[0], t = x[1];
long dts = d[t][s];
{
long _pdp[] = pdp, _dts = dts;
dfs[t].getVerteciesToRoot(s).forEachRemaining((int j) -> _pdp[j] = _dts);
}
long[] dat = new long[N];
long min = dts;
for (int i = 2; i < Q; i++) {
s = x[i - 1]; t = x[i];
long[] dt = d[t]; dts = dt[s];
for (int j = 0; j < N; j++) {
dat[j] = pdp[j] + dt[j];
dp[j] = Longs.min(pdp[j] + dts, pdp[j] + C + dt[j], Const.LINF);
}
int[] par = dfs[t].par;
for (int j : dfs[t].pst) {
int pj = par[j];
adj.getEdges(j).forEachRemaining(e -> {
int c = e.to;
if (c != pj) {
dat[j] = Math.min(dat[j], dat[c]);
}
});
}
{
long _dp[] = dp, _min = min, _dts = dts;
dfs[t].getVerteciesToRoot(s).forEachRemaining((int j) -> _dp[j] = Longs.min(_dp[j], _min + _dts));
}
for (int j = 0; j < N; j++) {
dp[j] = Longs.min(dp[j], dat[j] + C);
}
min = LongArrays.min(dp);
long[] tmp = dp; dp = pdp; pdp = tmp;
}
pw.println(min);
}
}
class AdjacentList<T extends AbstractEdge> {
public final boolean directed;
public final int V;
public final int E;
private final int[] latest;
private final int[] prev;
private final T[] edge;
int edgeCount;
@SuppressWarnings("unchecked")
public AdjacentList(int n, int m, boolean directed) {
this.directed = directed;
this.V = n;
this.E = directed ? m : m << 1;
this.latest = new int[V + 1];
this.prev = new int[E + 1];
this.edge = (T[]) new AbstractEdge[E + 1];
}
@SuppressWarnings("unchecked")
public void addEdge(T edge) {
addDirectedEdge(edge);
if (!directed) {
addDirectedEdge((T) edge.reverse());
}
}
private void addDirectedEdge(T e) {
edgeCount++;
prev[edgeCount] = latest[e.from];
latest[e.from] = edgeCount;
edge[edgeCount] = e;
}
public Iterator<T> getEdges(int u) {
return new EdgeIterator(u);
}
final class EdgeIterator implements Iterator<T> {
int edgeId;
EdgeIterator(int u) {
this.edgeId = latest[u];
}
@Override
public boolean hasNext() {
return edgeId > 0;
}
@Override
public T next() {
T ret = edge[edgeId];
edgeId = prev[edgeId];
return ret;
}
}
}
class DFS<T extends AbstractEdge> {
public final int V;
public final int root;
private final AdjacentList<T> adj;
public final int[] par;
public final int[] pre;
public final int[] pst;
public DFS(AdjacentList<T> treeAdj, int root, Consumer<T> dfs) {
this.V = treeAdj.V;
this.root = root;
this.adj = treeAdj;
this.par = new int[V];
this.pre = new int[V];
this.pst = new int[V];
build(dfs);
}
private static final class Stack {
private final int[] stack;
private int ptr;
Stack(int n) {this.stack = new int[n];}
void push(int v) {stack[ptr++] = v;}
int pop() {return stack[--ptr];}
int size() {return ptr;}
}
private void build(Consumer<T> dfs) {
Arrays.fill(par, -1);
Stack stack = new Stack(V << 1);
stack.push(~root);
stack.push( root);
int preOrd = 0, pstOrd = 0;
while (stack.size() > 0) {
int u = stack.pop();
if (u >= 0) {
pre[preOrd++] = u;
adj.getEdges(u).forEachRemaining(e -> {
int v = e.to;
if (v != par[u]) {
par[v] = u;
stack.push(~v);
stack.push( v);
dfs.accept(e);
}
});
} else {
pst[pstOrd++] = ~u;
}
}
}
public PrimitiveIterator.OfInt getVerteciesToRoot(int u) {
return new VertexIterator(u);
}
final class VertexIterator implements PrimitiveIterator.OfInt {
int u;
VertexIterator(int u) {
this.u = u;
}
@Override
public boolean hasNext() {
return u >= 0;
}
@Override
public int nextInt() {
int ret = u;
u = par[u];
return ret;
}
}
}
/**
* @author https://atcoder.jp/users/suisen
*/
final class LongArrays {
private LongArrays(){}
public static void swap(long[] a, int u, int v) {
long tmp = a[u]; a[u] = a[v]; a[v] = tmp;
}
public static void reverse(long[] a, int l, int r) {
while (r - l > 1) swap(a, l++, --r);
}
public static void reverse(long[] a) {
reverse(a, 0, a.length);
}
public static long sum(long[] a) {
long sum = 0;
for (long e : a) sum += e;
return sum;
}
public static long max(long[] a) {
long max = a[0];
for (long e : a) max = Math.max(max, e);
return max;
}
public static long min(long[] a) {
long min = a[0];
for (long e : a) min = Math.min(min, e);
return min;
}
public static int argmax(long[] a) {
long max = a[0];
int argmax = 0;
for (int i = 0; i < a.length; i++) if (max < a[i]) max = a[argmax = i];
return argmax;
}
public static int argmin(long[] a) {
long min = a[0];
int argmin = 0;
for (int i = 0; i < a.length; i++) if (min > a[i]) min = a[argmin = i];
return argmin;
}
public static int find(long[] a, long v) {
for (int i = 0; i < a.length; i++) if (a[i] == v) return i;
return -1;
}
public static void permute(int[] p, long[] a) {
int n = p.length;
boolean[] settled = new boolean[n];
for (int i = 0; i < n; i++) {
for (int j = i; !settled[j]; j = p[j]) {
if (p[j] == i) {settled[j] = true; break;}
swap(a, j, p[j]);
settled[j] = true;
}
}
}
public static void permute2(int[] p, long[] a, long[] b) {
int n = p.length;
boolean[] settled = new boolean[n];
for (int i = 0; i < n; i++) {
for (int j = i; !settled[j]; j = p[j]) {
if (p[j] == i) {settled[j] = true; break;}
swap(a, j, p[j]); swap(b, j, p[j]);
settled[j] = true;
}
}
}
public static void permute3(int[] p, long[] a, long[] b, long[] c) {
int n = p.length;
boolean[] settled = new boolean[n];
for (int i = 0; i < n; i++) {
for (int j = i; !settled[j]; j = p[j]) {
if (p[j] == i) {settled[j] = true; break;}
swap(a, j, p[j]); swap(b, j, p[j]); swap(c, j, p[j]);
settled[j] = true;
}
}
}
public static void permuteN(int[] p, long[]... as) {
int n = p.length;
boolean[] settled = new boolean[n];
for (int i = 0; i < n; i++) {
for (int j = i; !settled[j]; j = p[j]) {
if (p[j] == i) {settled[j] = true; break;}
for (long[] a : as) swap(a, j, p[j]);
settled[j] = true;
}
}
}
public static int lowerBound(long[] sorted, long key) {
int n = sorted.length;
int l = -1, r = n;
while (r - l > 1) {
int m = (l + r) >> 1;
if (sorted[m] < key) l = m;
else r = m;
}
return r;
}
public static int upperBound(long[] sorted, long key) {
int n = sorted.length;
int l = -1, r = n;
while (r - l > 1) {
int m = (l + r) >> 1;
if (sorted[m] <= key) l = m;
else r = m;
}
return r;
}
public static int countOfRange(long[] sorted, long from, long to) {
return lowerBound(sorted, to) - lowerBound(sorted, from);
}
public static String join(long[] a, String sep) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < a.length; i++) {
sb.append(a[i]);
if (i < a.length - 1) sb.append(sep);
}
return sb.toString();
}
public static String join(long[] a, char sep) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < a.length; i++) {
sb.append(a[i]);
if (i < a.length - 1) sb.append(sep);
}
return sb.toString();
}
}
/**
* @author https://atcoder.jp/users/suisen
*/
class FastScanner implements AutoCloseable {
private final ByteBuffer tokenBuf = new ByteBuffer();
private final java.io.InputStream in;
private final byte[] rawBuf = new byte[1 << 14];
private int ptr = 0;
private int buflen = 0;
public FastScanner(java.io.InputStream in) {
this.in = in;
}
public FastScanner() {
this(new java.io.FileInputStream(java.io.FileDescriptor.in));
}
private final int readByte() {
if (ptr < buflen) return rawBuf[ptr++];
ptr = 0;
try {
buflen = in.read(rawBuf);
if (buflen > 0) {
return rawBuf[ptr++];
} else {
throw new java.io.EOFException();
}
} catch (java.io.IOException e) {
throw new java.io.UncheckedIOException(e);
}
}
private final 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 (java.io.IOException e) {
throw new java.io.UncheckedIOException(e);
}
}
private final int skipUnprintableChars() {
int b = readByte();
while (b <= 32 || b >= 127) b = readByte();
return b;
}
private final 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');
b = readByteUnsafe();
if ('0' <= b && b <= '9') {
throw new ArithmeticException("long overflow");
} else if (b <= 32 || b >= 127) {
return n;
} else {
throw new NumberFormatException();
}
} 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 (java.io.IOException e) {
throw new java.io.UncheckedIOException(e);
}
}
private static final class ByteBuffer {
private static final int DEFAULT_BUF_SIZE = 1 << 12;
private byte[] buf;
private int ptr = 0;
private ByteBuffer(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;
}
}
}
/**
* @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 java.lang.reflect.Field strField;
private final java.nio.charset.CharsetEncoder encoder;
private final java.io.OutputStream out;
public FastPrintStream(java.io.OutputStream out) {
this.out = out;
java.lang.reflect.Field f;
try {
f = java.lang.String.class.getDeclaredField("value");
f.setAccessible(true);
} catch (NoSuchFieldException | SecurityException e) {
f = null;
}
this.strField = f;
this.encoder = java.nio.charset.StandardCharsets.US_ASCII.newEncoder();
}
public FastPrintStream(java.io.File file) throws java.io.IOException {
this(new java.io.FileOutputStream(file));
}
public FastPrintStream(java.lang.String filename) throws java.io.IOException {
this(new java.io.File(filename));
}
public FastPrintStream() {
this(new java.io.FileOutputStream(java.io.FileDescriptor.out));
}
public FastPrintStream println() {
if (ptr == BUF_SIZE) internalFlush();
buf[ptr++] = (byte) '\n';
return this;
}
public FastPrintStream println(java.lang.Object o) {
return print(o).println();
}
public FastPrintStream println(java.lang.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 (java.io.IOException e) {
throw new java.io.UncheckedIOException(e);
}
} else {
System.arraycopy(bytes, 0, buf, ptr, n);
ptr += n;
}
return this;
}
public FastPrintStream print(java.lang.Object o) {
return print(o.toString());
}
public FastPrintStream print(java.lang.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(java.nio.CharBuffer.wrap(s)).array());
} catch (java.nio.charset.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 (java.io.IOException e) {
throw new java.io.UncheckedIOException(e);
}
}
public void flush() {
try {
out.write(buf, 0, ptr);
out.flush();
ptr = 0;
} catch (java.io.IOException e) {
throw new java.io.UncheckedIOException(e);
}
}
public void close() {
try {
out.close();
} catch (java.io.IOException e) {
throw new java.io.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;
}
}
final class SimpleEdge extends AbstractEdge {
public SimpleEdge(int from, int to, long cost) {
super(from, to, cost);
}
public SimpleEdge(int from, int to) {
super(from, to);
}
@Override
public SimpleEdge reverse() {
return new SimpleEdge(to, from, cost);
}
}
class Const {
public static final long LINF = 1l << 59;
public static final int IINF = (1 << 30) - 1;
public static final double DINF = 1e150;
public static final double SMALL = 1e-12;
public static final double MEDIUM = 1e-9;
public static final double LARGE = 1e-6;
public static final long MOD1000000007 = 1000000007;
public static final long MOD998244353 = 998244353 ;
public static final long MOD754974721 = 754974721 ;
public static final long MOD167772161 = 167772161 ;
public static final long MOD469762049 = 469762049 ;
public static final int[] dx8 = {1, 0, -1, 0, 1, -1, -1, 1};
public static final int[] dy8 = {0, 1, 0, -1, 1, 1, -1, -1};
public static final int[] dx4 = {1, 0, -1, 0};
public static final int[] dy4 = {0, 1, 0, -1};
}
abstract class AbstractEdge implements Comparable<AbstractEdge> {
public final int from, to;
public final long cost;
public AbstractEdge(int from, int to, long cost) {
this.from = from;
this.to = to;
this.cost = cost;
}
public AbstractEdge(int from, int to) {
this(from, to, 1l);
}
public abstract AbstractEdge reverse();
public int compareTo(AbstractEdge o) {
return Long.compare(cost, o.cost);
}
}
/**
* @author https://atcoder.jp/users/suisen
*/
final class Longs {
private Longs(){}
public static long max(long a, long b) {
return Math.max(a, b);
}
public static long max(long a, long b, long c) {
return Math.max(Math.max(a, b), c);
}
public static long max(long a, long b, long c, long d) {
return Math.max(Math.max(Math.max(a, b), c), d);
}
public static long max(long a, long b, long c, long d, long e) {
return Math.max(Math.max(Math.max(Math.max(a, b), c), d), e);
}
public static long max(long a, long b, long c, long d, long e, long f) {
return Math.max(Math.max(Math.max(Math.max(Math.max(a, b), c), d), e), f);
}
public static long max(long a, long b, long c, long d, long e, long f, long g) {
return Math.max(Math.max(Math.max(Math.max(Math.max(Math.max(a, b), c), d), e), f), g);
}
public static long max(long a, long b, long c, long d, long e, long f, long g, long h) {
return Math.max(Math.max(Math.max(Math.max(Math.max(Math.max(Math.max(a, b), c), d), e), f), g), h);
}
public static long max(long a, long... vals) {
long ret = a; for (long e : vals) ret = Math.max(ret, e);
return ret;
}
public static long min(long a, long b) {
return Math.min(a, b);
}
public static long min(long a, long b, long c) {
return Math.min(Math.min(a, b), c);
}
public static long min(long a, long b, long c, long d) {
return Math.min(Math.min(Math.min(a, b), c), d);
}
public static long min(long a, long b, long c, long d, long e) {
return Math.min(Math.min(Math.min(Math.min(a, b), c), d), e);
}
public static long min(long a, long b, long c, long d, long e, long f) {
return Math.min(Math.min(Math.min(Math.min(Math.min(a, b), c), d), e), f);
}
public static long min(long a, long b, long c, long d, long e, long f, long g) {
return Math.min(Math.min(Math.min(Math.min(Math.min(Math.min(a, b), c), d), e), f), g);
}
public static long min(long a, long b, long c, long d, long e, long f, long g, long h) {
return Math.min(Math.min(Math.min(Math.min(Math.min(Math.min(Math.min(a, b), c), d), e), f), g), h);
}
public static long min(long a, long... vals) {
long ret = a; for (long e : vals) ret = Math.min(ret, e);
return ret;
}
public static long fold(final LongBinaryOperator func, final long... a) {
long ret = a[0]; for (int i = 1; i < a.length; i++) ret = func.applyAsLong(ret, a[i]);
return ret;
}
public static boolean isPowerOfTwo(final long n) {return n != 0 && (-n & n) == n;}
public static int ceilExponent(final long n) {return 63 - Long.numberOfLeadingZeros(n) + (isPowerOfTwo(n) ? 0 : 1);}
public static int floorExponent(final long n) {return 63 - Long.numberOfLeadingZeros(n) + (n == 0 ? 1 : 0);}
public static int ceilExponent(final long n, final int base) {
if (base == 2) return ceilExponent(n);
int i = 0;
long m = 1;
while (m < n) {
i++;
final long r = m * base;
if ((m | base) >> 31 != 0 && r / base != m) break;
m = r;
}
return i;
}
/**
* @return ceil(a / b)
*/
public static long cld(long a, long b) {
if (a > 0 && b > 0) return (a - 1) / b + 1;
if (a < 0 && b < 0) return (a + 1) / b + 1;
return a / b;
}
/**
* @return floor(a / b)
*/
public static long fld(long a, long b) {
if (a < 0 && b > 0) return (a + 1) / b - 1;
if (a > 0 && b < 0) return (a - 1) / b - 1;
return a / b;
}
/**
* @return a * b <= c
*/
public static boolean mulLeq(long a, long b, long c) {
if (a > 0) return b <= fld(c, a);
if (a < 0) return b >= cld(c, a);
return c >= 0;
}
/**
* @return a * b < c
*/
public static boolean mulLt(long a, long b, long c) {
if (a > 0) return b < cld(c, a);
if (a < 0) return b > fld(c, a);
return c > 0;
}
/**
* @return a * b >= c
*/
public static boolean mulGeq(long a, long b, long c) {
if (a > 0) return b >= cld(c, a);
if (a < 0) return b <= fld(c, a);
return c <= 0;
}
/**
* @return a * b > c
*/
public static boolean mulGt(long a, long b, long c) {
if (a > 0) return b > fld(c, a);
if (a < 0) return b < cld(c, a);
return c < 0;
}
/**
* @return max{v | v <= a / b}
*/
public static long leqDiv(long a, long b) {
return fld(a, b);
}
/**
* @return max{v | v < a / b}
*/
public static long ltDiv(long a, long b) {
return cld(a, b) - 1;
}
/**
* @return min{v | v >= a / b}
*/
public static long geqDiv(long a, long b) {
return cld(a, b);
}
/**
* @return min{v | v > a / b}
*/
public static long gtDiv(long a, long b) {
return fld(a, b) + 1;
}
public static String join(final String sep, final long... a) {
final StringBuilder sb = new StringBuilder();
for (int i = 0; i < a.length; i++) {
sb.append(a[i]);
if (i < a.length - 1) sb.append(sep);
}
return sb.toString();
}
}