結果
| 問題 | No.2129 Perfect Binary Tree...? |
| ユーザー |
 遭難者
|
| 提出日時 | 2022-10-25 12:01:03 |
| 言語 | Java21 (openjdk 21) |
| 結果 |
MLE
(最新)
AC
(最初)
|
| 実行時間 | - |
| コード長 | 28,857 bytes |
| コンパイル時間 | 5,810 ms |
| コンパイル使用メモリ | 89,152 KB |
| 実行使用メモリ | 761,068 KB |
| 最終ジャッジ日時 | 2023-09-22 10:35:30 |
| 合計ジャッジ時間 | 11,071 ms |
|
ジャッジサーバーID （参考情報） |
judge15 / judge12 |
（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 | AC | 42 ms
51,096 KB |
| testcase_01 | AC | 42 ms
51,152 KB |
| testcase_02 | AC | 102 ms
57,352 KB |
| testcase_03 | MLE | - |
| testcase_04 | -- | - |
| testcase_05 | -- | - |
| testcase_06 | -- | - |
| testcase_07 | -- | - |
| testcase_08 | -- | - |
| testcase_09 | -- | - |
| testcase_10 | -- | - |
| testcase_11 | -- | - |
| testcase_12 | -- | - |
| testcase_13 | -- | - |
| testcase_14 | -- | - |
| testcase_15 | -- | - |
| testcase_16 | -- | - |
| testcase_17 | -- | - |
| testcase_18 | -- | - |
| testcase_19 | -- | - |
| testcase_20 | -- | - |
| testcase_21 | -- | - |
| testcase_22 | -- | - |
| testcase_23 | -- | - |
| testcase_24 | -- | - |
| testcase_25 | -- | - |
| testcase_26 | -- | - |
| testcase_27 | -- | - |
| testcase_28 | -- | - |
| testcase_29 | -- | - |
| testcase_30 | -- | - |
| testcase_31 | -- | - |
ソースコード
import java.util.*;
import java.io.*;
class Main {
private static final void solve() throws IOException {
int n = (1 << ni()) - 1;
var g = new ArrayList<ArrayList<Integer>>(n);
for (int i = 0; i < n; i++)
g.add(new ArrayList<>());
for (int i = 2; i <= n; i++) {
int u = i - 1, v = i / 2 - 1;
g.get(u).add(v);
g.get(v).add(u);
}
var uu = sc.nextCharArray();
var vv = sc.nextCharArray();
int u = 0, v = 0;
for (char c : uu)
u = (u << 1) | (c - '0');
for (char c : vv)
v = (v << 1) | (c - '0');
u--;
v--;
g.get(u).add(v);
g.get(v).add(u);
long ans = 0L;
final int mod = 998244353;
var d = new int[n];
final int inf = (int) 1e7;
var q = new ArrayDeque<Integer>();
for (int st = 0; st < n; st++) {
Arrays.fill(d, inf);
d[st] = 0;
q.add(st);
while (!q.isEmpty()) {
int x = q.remove();
for (int i : g.get(x)) {
if (d[i] != inf)
continue;
d[i] = d[x] + 1;
q.add(i);
}
}
for (int i : d)
ans += i;
ans %= mod;
}
if (ans % 2 != 0)
ans += mod;
ans /= 2;
if (ans < 0)
ans += mod;
ou.println(ans);
}
public static void main(String[] args) throws IOException {
solve();
ou.flush();
}
private static final int ni() throws IOException {
return sc.nextInt();
}
private static final int[] ni(int n) throws IOException {
return sc.nextIntArray(n);
}
private static final long nl() throws IOException {
return sc.nextLong();
}
private static final long[] nl(int n) throws IOException {
return sc.nextLongArray(n);
}
private static final String ns() throws IOException {
return sc.next();
}
private static final ContestInputStream sc = new ContestInputStream();
private static final ContestOutputStream ou = new ContestOutputStream();
}
class Convolution {
private static int primitiveRoot(int m) {
if (m == 2)
return 1;
if (m == 167772161)
return 3;
if (m == 469762049)
return 3;
if (m == 754974721)
return 11;
if (m == 998244353)
return 3;
int[] divs = new int[20];
divs[0] = 2;
int cnt = 1;
int x = (m - 1) >> 1;
while ((x & 1) == 0)
x >>= 1;
for (int i = 3; i * (long) i <= x; i += 2) {
if (x % i == 0) {
divs[cnt++] = i;
while (x % i == 0)
x /= i;
}
}
if (x > 1)
divs[cnt++] = x;
for (int g = 2;; g++) {
boolean ok = true;
for (int i = 0; i < cnt; i++) {
if (pow(g, (m - 1) / divs[i], m) == 1) {
ok = false;
break;
}
}
if (ok)
return g;
}
}
private static long pow(long x, long n, int m) {
if (m == 1)
return 0;
long r = 1;
long y = x % m;
while (n > 0) {
if ((n & 1) != 0)
r = (r * y) % m;
y = (y * y) % m;
n >>= 1;
}
return r;
}
private static int ceilPow2(int n) {
int x = 0;
while ((1L << x) < n)
x++;
return x;
}
private static long garner(long[] c, int[] mods) {
int n = c.length + 1;
long[] cnst = new long[n];
long[] coef = new long[n];
Arrays.fill(coef, 1);
for (int i = 0; i < n - 1; i++) {
int m1 = mods[i];
long v = (c[i] - cnst[i] + m1) % m1;
v = v * pow(coef[i], m1 - 2, m1) % m1;
for (int j = i + 1; j < n; j++) {
long m2 = mods[j];
cnst[j] = (cnst[j] + coef[j] * v) % m2;
coef[j] = coef[j] * m1 % m2;
}
}
return cnst[n - 1];
}
private static long[] sumE(int mod, int g) {
long[] sum_e = new long[30];
long[] es = new long[30];
long[] ies = new long[30];
int cnt2 = Integer.numberOfTrailingZeros(mod - 1);
long e = pow(g, (mod - 1) >> cnt2, mod);
long ie = pow(e, mod - 2, mod);
for (int i = cnt2; i >= 2; i--) {
es[i - 2] = e;
ies[i - 2] = ie;
e = e * e % mod;
ie = ie * ie % mod;
}
long now = 1;
for (int i = 0; i < cnt2 - 2; i++) {
sum_e[i] = es[i] * now % mod;
now = now * ies[i] % mod;
}
return sum_e;
}
private static long[] sumIE(int mod, int g) {
long[] sum_ie = new long[30];
long[] es = new long[30];
long[] ies = new long[30];
int cnt2 = Integer.numberOfTrailingZeros(mod - 1);
long e = pow(g, (mod - 1) >> cnt2, mod);
long ie = pow(e, mod - 2, mod);
for (int i = cnt2; i >= 2; i--) {
es[i - 2] = e;
ies[i - 2] = ie;
e = e * e % mod;
ie = ie * ie % mod;
}
long now = 1L;
for (int i = 0; i < cnt2 - 2; i++) {
sum_ie[i] = ies[i] * now % mod;
now = now * es[i] % mod;
}
return sum_ie;
}
private static void butterflyInv(long[] a, long[] sumIE, int mod) {
int n = a.length;
int h = ceilPow2(n);
for (int ph = h; ph >= 1; ph--) {
int w = 1 << (ph - 1), p = 1 << (h - ph);
long inow = 1;
for (int s = 0; s < w; s++) {
int offset = s << (h - ph + 1);
for (int i = 0; i < p; i++) {
long l = a[i + offset];
long r = a[i + offset + p];
a[i + offset] = (l + r) % mod;
a[i + offset + p] = (mod + l - r) * inow % mod;
}
int x = Integer.numberOfTrailingZeros(~s);
inow = inow * sumIE[x] % mod;
}
}
}
private static void butterfly(long[] a, long[] sumE, int mod) {
int n = a.length;
int h = ceilPow2(n);
for (int ph = 1; ph <= h; ph++) {
int w = 1 << (ph - 1), p = 1 << (h - ph);
long now = 1;
for (int s = 0; s < w; s++) {
int offset = s << (h - ph + 1);
for (int i = 0; i < p; i++) {
long l = a[i + offset];
long r = a[i + offset + p] * now % mod;
a[i + offset] = (l + r) % mod;
a[i + offset + p] = (l - r + mod) % mod;
}
int x = Integer.numberOfTrailingZeros(~s);
now = now * sumE[x] % mod;
}
}
}
public static long[] convolution(long[] a, long[] b, int mod) {
int n = a.length;
int m = b.length;
if (n == 0 || m == 0)
return new long[0];
int z = 1 << ceilPow2(n + m - 1);
{
long[] na = new long[z];
long[] nb = new long[z];
System.arraycopy(a, 0, na, 0, n);
System.arraycopy(b, 0, nb, 0, m);
a = na;
b = nb;
}
int g = primitiveRoot(mod);
long[] sume = sumE(mod, g);
long[] sumie = sumIE(mod, g);
butterfly(a, sume, mod);
butterfly(b, sume, mod);
for (int i = 0; i < z; i++)
a[i] = a[i] * b[i] % mod;
butterflyInv(a, sumie, mod);
a = Arrays.copyOf(a, n + m - 1);
long iz = pow(z, mod - 2, mod);
for (int i = 0; i < n + m - 1; i++)
a[i] = a[i] * iz % mod;
return a;
}
public static long[] convolutionLL(long[] a, long[] b, int mod) {
int n = a.length;
int m = b.length;
if (n == 0 || m == 0)
return new long[0];
int mod1 = 754974721;
int mod2 = 167772161;
int mod3 = 469762049;
long[] c1 = convolution(a, b, mod1);
long[] c2 = convolution(a, b, mod2);
long[] c3 = convolution(a, b, mod3);
int retSize = c1.length;
long[] ret = new long[retSize];
int[] mods = { mod1, mod2, mod3, mod };
for (int i = 0; i < retSize; ++i)
ret[i] = garner(new long[] { c1[i], c2[i], c3[i] }, mods);
return ret;
}
public static long[] inv(long[] f) {
final int mod = 998244353;
int n = f.length;
int c = 1;
var g = new long[c];
g[0] = pow(f[0], mod - 2, mod);
while (c < n) {
c <<= 1;
var t = Arrays.copyOf(Convolution.convolution(g, Arrays.copyOf(f, c), mod), c);
t[0] = mod + 2 - t[0];
for (int i = 1; i < c; i++)
t[i] = mod - t[i];
g = Arrays.copyOf(Convolution.convolution(g, t, mod), c);
}
return Arrays.copyOf(g, n);
}
public static long[] convolutionNaive(long[] a, long[] b, int mod) {
int n = a.length;
int m = b.length;
int k = n + m - 1;
long[] ret = new long[k];
for (int i = 0; i < n; i++) {
for (int j = 0; j < m; j++) {
ret[i + j] += a[i] * b[j] % mod;
ret[i + j] %= mod;
}
}
return ret;
}
}
final class ContestInputStream extends FilterInputStream {
protected final byte[] buf;
protected int pos = 0;
protected int lim = 0;
private final char[] cbuf;
public ContestInputStream() {
super(System.in);
this.buf = new byte[1 << 13];
this.cbuf = new char[1 << 20];
}
boolean hasRemaining() throws IOException {
if (pos < lim)
return true;
lim = in.read(buf);
pos = 0;
return lim > 0;
}
final int remaining() throws IOException {
if (pos >= lim) {
lim = in.read(buf);
pos = 0;
}
return lim - pos;
}
@Override
public final int available() throws IOException {
if (pos < lim)
return lim - pos + in.available();
return in.available();
}
@Override
public final long skip(long n) throws IOException {
if (pos < lim) {
int rem = lim - pos;
if (n < rem) {
pos += n;
return n;
}
pos = lim;
return rem;
}
return in.skip(n);
}
@Override
public final int read() throws IOException {
if (hasRemaining())
return buf[pos++];
return -1;
}
@Override
public final int read(byte[] b, int off, int len) throws IOException {
if (pos < lim) {
int rem = Math.min(lim - pos, len);
for (int i = 0; i < rem; i++)
b[off + i] = buf[pos + i];
pos += rem;
return rem;
}
return in.read(b, off, len);
}
public final char[] readToken() throws IOException {
int cpos = 0;
int rem;
byte b;
l: while ((rem = remaining()) > 0) {
for (int i = 0; i < rem; i++) {
b = buf[pos + i];
if (b <= 0x20) {
pos += i + 1;
cpos += i;
if (b == 0x0d && hasRemaining() && buf[pos] == 0x0a)
pos++;
break l;
}
cbuf[cpos + i] = (char) b;
}
pos += rem;
cpos += rem;
}
char[] arr = new char[cpos];
for (int i = 0; i < cpos; i++)
arr[i] = cbuf[i];
return arr;
}
public final int readToken(char[] cbuf, int off) throws IOException {
int cpos = off;
int rem;
byte b;
l: while ((rem = remaining()) > 0) {
for (int i = 0; i < rem; i++) {
b = buf[pos + i];
if (b <= 0x20) {
pos += i + 1;
cpos += i;
if (b == 0x0d && hasRemaining() && buf[pos] == 0x0a)
pos++;
break l;
}
cbuf[cpos + i] = (char) b;
}
pos += rem;
cpos += rem;
}
return cpos - off;
}
public final int readToken(char[] cbuf) throws IOException {
return readToken(cbuf, 0);
}
public final String next() throws IOException {
int cpos = 0;
int rem;
byte b;
l: while ((rem = remaining()) > 0) {
for (int i = 0; i < rem; i++) {
b = buf[pos + i];
if (b <= 0x20) {
pos += i + 1;
cpos += i;
if (b == 0x0d && hasRemaining() && buf[pos] == 0x0a)
pos++;
break l;
}
cbuf[cpos + i] = (char) b;
}
pos += rem;
cpos += rem;
}
return String.valueOf(cbuf, 0, cpos);
}
public final char[] nextCharArray() throws IOException {
return readToken();
}
public final int nextInt() throws IOException {
if (!hasRemaining())
return 0;
int value = 0;
byte b = buf[pos++];
if (b == 0x2d) {
while (hasRemaining() && (b = buf[pos++]) > 0x20)
value = value * 10 - b + 0x30;
} else {
do {
value = value * 10 + b - 0x30;
} while (hasRemaining() && (b = buf[pos++]) > 0x20);
}
if (b == 0x0d && hasRemaining() && buf[pos] == 0x0a)
pos++;
return value;
}
public final long nextLong() throws IOException {
if (!hasRemaining())
return 0L;
long value = 0L;
byte b = buf[pos++];
if (b == 0x2d) {
while (hasRemaining() && (b = buf[pos++]) > 0x20)
value = value * 10 - b + 0x30;
} else {
do {
value = value * 10 + b - 0x30;
} while (hasRemaining() && (b = buf[pos++]) > 0x20);
}
if (b == 0x0d && hasRemaining() && buf[pos] == 0x0a)
pos++;
return value;
}
public final char nextChar() throws IOException {
if (!hasRemaining())
throw new EOFException();
final char c = (char) buf[pos++];
if (hasRemaining() && buf[pos++] == 0x0d && hasRemaining() && buf[pos] == 0x0a)
pos++;
return c;
}
public final float nextFloat() throws IOException {
return Float.parseFloat(next());
}
public final double nextDouble() throws IOException {
return Double.parseDouble(next());
}
public final boolean[] nextBooleanArray(char ok) throws IOException {
char[] s = readToken();
int n = s.length;
boolean[] t = new boolean[n];
for (int i = 0; i < n; i++)
t[i] = s[i] == ok;
return t;
}
public final boolean[][] nextBooleanMatrix(int h, int w, char ok) throws IOException {
boolean[][] s = new boolean[h][];
for (int i = 0; i < h; i++) {
char[] t = readToken();
int n = t.length;
s[i] = new boolean[n];
for (int j = 0; j < n; j++)
s[i][j] = t[j] == ok;
}
return s;
}
public final String[] nextStringArray(int len) throws IOException {
String[] arr = new String[len];
for (int i = 0; i < len; i++)
arr[i] = next();
return arr;
}
public final int[] nextIntArray(int len) throws IOException {
int[] arr = new int[len];
for (int i = 0; i < len; i++)
arr[i] = nextInt();
return arr;
}
public final int[] nextIntArray(int len, java.util.function.IntUnaryOperator map) throws IOException {
int[] arr = new int[len];
for (int i = 0; i < len; i++)
arr[i] = map.applyAsInt(nextInt());
return arr;
}
public final long[] nextLongArray(int len, java.util.function.LongUnaryOperator map) throws IOException {
long[] arr = new long[len];
for (int i = 0; i < len; i++)
arr[i] = map.applyAsLong(nextLong());
return arr;
}
public final int[][] nextIntMatrix(int h, int w) throws IOException {
int[][] arr = new int[h][w];
for (int i = 0; i < h; i++)
for (int j = 0; j < w; j++)
arr[i][j] = nextInt();
return arr;
}
public final int[][] nextIntMatrix(int h, int w, java.util.function.IntUnaryOperator map) throws IOException {
int[][] arr = new int[h][w];
for (int i = 0; i < h; i++)
for (int j = 0; j < w; j++)
arr[i][j] = map.applyAsInt(nextInt());
return arr;
}
public final long[] nextLongArray(int len) throws IOException {
long[] arr = new long[len];
for (int i = 0; i < len; i++)
arr[i] = nextLong();
return arr;
}
public final long[][] nextLongMatrix(int h, int w) throws IOException {
long[][] arr = new long[h][w];
for (int i = 0; i < h; i++)
for (int j = 0; j < w; j++)
arr[i][j] = nextLong();
return arr;
}
public final float[] nextFloatArray(int len) throws IOException {
float[] arr = new float[len];
for (int i = 0; i < len; i++)
arr[i] = nextFloat();
return arr;
}
public final double[] nextDoubleArray(int len) throws IOException {
double[] arr = new double[len];
for (int i = 0; i < len; i++)
arr[i] = nextDouble();
return arr;
}
public final char[][] nextCharMatrix(int h, int w) throws IOException {
char[][] arr = new char[h][];
for (int i = 0; i < h; i++)
arr[i] = readToken();
return arr;
}
public final void nextThrow() throws IOException {
next();
return;
}
public final void nextThrow(int n) throws IOException {
for (int i = 0; i < n; i++)
nextThrow();
return;
}
}
final class ContestOutputStream extends FilterOutputStream implements Appendable {
protected final byte[] buf;
protected int pos = 0;
public ContestOutputStream() {
super(System.out);
this.buf = new byte[1 << 13];
}
@Override
public void flush() throws IOException {
out.write(buf, 0, pos);
pos = 0;
out.flush();
}
void put(byte b) throws IOException {
if (pos >= buf.length)
flush();
buf[pos++] = b;
}
int remaining() throws IOException {
if (pos >= buf.length)
flush();
return buf.length - pos;
}
@Override
public void write(int b) throws IOException {
put((byte) b);
}
@Override
public void write(byte[] b, int off, int len) throws IOException {
int o = off;
int l = len;
while (l > 0) {
int rem = Math.min(remaining(), l);
for (int i = 0; i < rem; i++)
buf[pos + i] = b[o + i];
pos += rem;
o += rem;
l -= rem;
}
}
@Override
public ContestOutputStream append(char c) throws IOException {
put((byte) c);
return this;
}
@Override
public ContestOutputStream append(CharSequence csq, int start, int end) throws IOException {
int off = start;
int len = end - start;
while (len > 0) {
int rem = Math.min(remaining(), len);
for (int i = 0; i < rem; i++)
buf[pos + i] = (byte) csq.charAt(off + i);
pos += rem;
off += rem;
len -= rem;
}
return this;
}
@Override
public ContestOutputStream append(CharSequence csq) throws IOException {
return append(csq, 0, csq.length());
}
public ContestOutputStream append(char[] arr, int off, int len) throws IOException {
int o = off;
int l = len;
while (l > 0) {
int rem = Math.min(remaining(), l);
for (int i = 0; i < rem; i++)
buf[pos + i] = (byte) arr[o + i];
pos += rem;
o += rem;
l -= rem;
}
return this;
}
public ContestOutputStream print(char[] arr) throws IOException {
return append(arr, 0, arr.length).newLine();
}
public ContestOutputStream print(boolean value) throws IOException {
if (value)
return append("o");
return append("x");
}
public ContestOutputStream println(boolean value) throws IOException {
if (value)
return append("o\n");
return append("x\n");
}
public ContestOutputStream print(boolean[][] value) throws IOException {
final int n = value.length, m = value[0].length;
for (int i = 0; i < n; i++) {
for (int j = 0; j < m; j++)
print(value[i][j]);
newLine();
}
return this;
}
public ContestOutputStream print(int value) throws IOException {
return append(String.valueOf(value));
}
public ContestOutputStream println(int value) throws IOException {
return append(String.valueOf(value)).newLine();
}
public ContestOutputStream print(long value) throws IOException {
return append(String.valueOf(value));
}
public ContestOutputStream println(long value) throws IOException {
return append(String.valueOf(value)).newLine();
}
public ContestOutputStream print(float value) throws IOException {
return append(String.valueOf(value));
}
public ContestOutputStream println(float value) throws IOException {
return append(String.valueOf(value)).newLine();
}
public ContestOutputStream print(double value) throws IOException {
return append(String.valueOf(value));
}
public ContestOutputStream println(double value) throws IOException {
return append(String.valueOf(value)).newLine();
}
public ContestOutputStream print(char value) throws IOException {
return append(value);
}
public ContestOutputStream println(char value) throws IOException {
return append(value).newLine();
}
public ContestOutputStream print(String value) throws IOException {
return append(value);
}
public ContestOutputStream println(String value) throws IOException {
return append(String.valueOf(value)).newLine();
}
public ContestOutputStream print(Object value) throws IOException {
return append(String.valueOf(value));
}
public ContestOutputStream println(Object value) throws IOException {
return append(String.valueOf(value)).newLine();
}
public ContestOutputStream printYN(boolean yes) throws IOException {
if (yes)
return println("Yes");
return println("No");
}
public ContestOutputStream printAB(boolean yes) throws IOException {
if (yes)
return println("Alice");
return println("Bob");
}
public ContestOutputStream print(CharSequence[] arr) throws IOException {
if (arr.length > 0) {
append(arr[0]);
for (int i = 1; i < arr.length; i++)
append('\u0020').append(arr[i]);
}
return this;
}
public ContestOutputStream print(int[] arr) throws IOException {
if (arr.length > 0) {
print(arr[0]);
for (int i = 1; i < arr.length; i++)
append('\u0020').print(arr[i]);
}
newLine();
return this;
}
public ContestOutputStream print(int[] arr, int length) throws IOException {
if (length > 0)
print(arr[0]);
for (int i = 1; i < length; i++)
append('\u0020').print(arr[i]);
newLine();
return this;
}
public ContestOutputStream println(int[] arr) throws IOException {
for (int i : arr)
print(i).newLine();
return this;
}
public ContestOutputStream println(int[] arr, int length) throws IOException {
for (int i = 0; i < length; i++)
println(arr[i]);
return this;
}
public ContestOutputStream print(boolean[] arr) throws IOException {
if (arr.length > 0) {
print(arr[0]);
for (int i = 1; i < arr.length; i++)
append('\u0020').print(arr[i]);
}
newLine();
return this;
}
public ContestOutputStream print(long[] arr) throws IOException {
if (arr.length > 0) {
print(arr[0]);
for (int i = 1; i < arr.length; i++)
append('\u0020').print(arr[i]);
}
newLine();
return this;
}
public ContestOutputStream print(long[] arr, int length) throws IOException {
if (length > 0)
print(arr[0]);
for (int i = 1; i < length; i++)
append('\u0020').print(arr[i]);
newLine();
return this;
}
public ContestOutputStream println(long[] arr, int length) throws IOException {
for (int i = 0; i < length; i++)
println(arr[i]);
return this;
}
public ContestOutputStream println(long[] arr) throws IOException {
for (long i : arr)
print(i).newLine();
return this;
}
public ContestOutputStream print(float[] arr) throws IOException {
if (arr.length > 0) {
print(arr[0]);
for (int i = 1; i < arr.length; i++)
append('\u0020').print(arr[i]);
}
return this;
}
public ContestOutputStream println(float[] arr) throws IOException {
for (float i : arr)
print(i).newLine();
return this;
}
public ContestOutputStream print(double[] arr) throws IOException {
if (arr.length > 0) {
print(arr[0]);
for (int i = 1; i < arr.length; i++)
append('\u0020').print(arr[i]);
}
return newLine();
}
public ContestOutputStream println(double[] arr) throws IOException {
for (double i : arr)
print(i).newLine();
return this;
}
public ContestOutputStream print(Object[] arr) throws IOException {
if (arr.length > 0) {
print(arr[0]);
for (int i = 1; i < arr.length; i++)
append('\u0020').print(arr[i]);
}
return newLine();
}
public ContestOutputStream print(java.util.ArrayList<?> arr) throws IOException {
if (!arr.isEmpty()) {
final int n = arr.size();
print(arr.get(0));
for (int i = 1; i < n; i++)
print(" ").print(arr.get(i));
}
return newLine();
}
public ContestOutputStream println(java.util.ArrayList<?> arr) throws IOException {
final int n = arr.size();
for (int i = 0; i < n; i++)
println(arr.get(i));
return this;
}
public ContestOutputStream println(Object[] arr) throws IOException {
for (Object i : arr)
print(i).newLine();
return this;
}
public ContestOutputStream newLine() throws IOException {
return append(System.lineSeparator());
}
public ContestOutputStream endl() throws IOException {
newLine().flush();
return this;
}
public ContestOutputStream print(int[][] arr) throws IOException {
for (int[] i : arr)
print(i);
return this;
}
public ContestOutputStream print(long[][] arr) throws IOException {
for (long[] i : arr)
print(i);
return this;
}
public ContestOutputStream print(char[][] arr) throws IOException {
for (char[] i : arr)
print(i);
return this;
}
public ContestOutputStream print(Object[][] arr) throws IOException {
for (Object[] i : arr)
print(i);
return this;
}
public ContestOutputStream println() throws IOException {
return newLine();
}
}