結果

問題 No.1516 simple 門松列 problem Re:MASTER
ユーザー uwiuwi
提出日時 2021-05-21 22:00:35
言語 Java19
(openjdk 21)
結果
AC  
実行時間 158 ms / 6,000 ms
コード長 18,091 bytes
コンパイル時間 6,270 ms
コンパイル使用メモリ 92,988 KB
実行使用メモリ 57,572 KB
最終ジャッジ日時 2023-07-31 15:26:10
合計ジャッジ時間 10,041 ms
ジャッジサーバーID
(参考情報)
judge11 / judge13
このコードへのチャレンジ(β)

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 77 ms
51,304 KB
testcase_01 AC 148 ms
57,060 KB
testcase_02 AC 154 ms
57,120 KB
testcase_03 AC 77 ms
51,332 KB
testcase_04 AC 77 ms
51,108 KB
testcase_05 AC 80 ms
51,164 KB
testcase_06 AC 91 ms
51,588 KB
testcase_07 AC 120 ms
56,648 KB
testcase_08 AC 107 ms
53,996 KB
testcase_09 AC 76 ms
51,520 KB
testcase_10 AC 94 ms
53,740 KB
testcase_11 AC 87 ms
51,748 KB
testcase_12 AC 80 ms
51,236 KB
testcase_13 AC 76 ms
51,228 KB
testcase_14 AC 137 ms
57,364 KB
testcase_15 AC 127 ms
56,928 KB
testcase_16 AC 93 ms
53,752 KB
testcase_17 AC 89 ms
51,772 KB
testcase_18 AC 86 ms
51,676 KB
testcase_19 AC 78 ms
51,128 KB
testcase_20 AC 149 ms
55,700 KB
testcase_21 AC 158 ms
57,572 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

package contest210521;
import java.io.*;
import java.util.ArrayDeque;
import java.util.Arrays;
import java.util.InputMismatchException;
import java.util.Queue;
import java.util.function.IntUnaryOperator;
import java.util.function.LongUnaryOperator;

public class F {
	InputStream is;
	FastWriter out;

	String INPUT = "";

	public void solve()
	{
		int n = ni(), K = ni();
		final int mod = 998244353;
		long[][] dp = new long[K][K];
		long[][] ep = new long[K][K];
		for(int i = 0;i < K;i++){
			Arrays.fill(dp[i], 1L);
			for(int j = 0;j < K;j++){
				ep[i][j] = i + j;
			}
		}
		long[] dpss = new long[1000];
		long[] epss = new long[1000];
		for(int i = 2;i < 1002;i++){
			long[][] ndp = new long[K][K];
			long[][] nep = new long[K][K];
			for(int k = 0;k < K;k++){
				long dps = 0;
				long eps = 0;
				for(int l = 0;l < k;l++) {
					dps += dp[l][k];
					eps += ep[l][k] + l * dp[l][k];
					eps %= mod;
				}
				dps %= mod;
				for(int j = 0;j < k;j++){
					ndp[k][j] = dps - dp[j][k];
					if(ndp[k][j] < 0)ndp[k][j] += mod;
					nep[k][j] = eps - ep[j][k] - j * dp[j][k];
					nep[k][j] %= mod;
					if(nep[k][j] < 0)nep[k][j] += mod;
				}


				long dpu = 0;
				long epu = 0;
				for(int l = k+1;l < K;l++){
					dpu += dp[l][k];
					epu += ep[l][k] + l * dp[l][k];
					epu %= mod;
				}
				dpu %= mod;
				for(int j = k+1;j < K;j++){
					ndp[k][j] = dpu - dp[j][k];
					if(ndp[k][j] < 0)ndp[k][j] += mod;
					nep[k][j] = epu - ep[j][k] - j * dp[j][k];
					nep[k][j] %= mod;
					if(nep[k][j] < 0)nep[k][j] += mod;
				}
			}
			dp = ndp;
			ep = nep;
			long ans = 0;
			for(int k = 0;k <K;k++){
				for(int j = 0;j < K;j++){
					ans += dp[k][j];
				}
			}
			dpss[i-2] = ans % mod;
			long sum = 0;
			for(int k = 0;k < K;k++){
				for(int j = 0;j < K;j++){
					sum += ep[k][j];
				}
			}
			epss[i-2] = sum % mod;
		}

		out.print(guess(dpss, mod, n-3) + " ");
		out.println(guess(epss, mod, n-3));
	}

	public static long guess(long[] a, int mod, long n)
	{
		if(a.length % 2 == 1)a = Arrays.copyOf(a, a.length/2*2); // strip to even length
		long[] q = modifiedBerlekampMassey(a, mod);
		long[] r = new long[q.length-1];
		for(int i = 0;i < q.length-1;i++)r[i] = (mod-q[i]) % mod;
		//		return dot(LinearRecurrence2.powCompanionMatrixes(r, n, mod)[0], all, mod);
		return lr(Arrays.copyOf(a, r.length), r, n, mod);
	}

	public static long lr(long[] a, long[] co, long n, long mod)
	{
		int m = a.length;
		if(m == 1){
			long ret = a[0];
			long mul = co[0];
			for(;n > 0;n >>>= 1){
				if((n&1)==1){
					ret = (ret * mul) % mod;
				}
				mul = (mul * mul) % mod;
			}
			return ret;
		}

		long[][] m2 = new long[m-1][m];
		for(int j = 0;j < m;j++){
			m2[0][j] = co[j];
		}
		for(int i = 1;i < m-1;i++){
			for(int j = 0;j < m;j++){
				long x = m2[i-1][m-1] * co[j];
				if(j-1 >= 0)x += m2[i-1][j-1];
				m2[i][j] = x % mod;
			}
		}

		long[] ret = new long[m];
		ret[0] = 1;
		long[] temp = new long[2*m];
		for(int l = 62;l >= 0;l--){
			if(n<<~l<0){
				for(int i = 0;i < m;i++)temp[i] = ret[m-1] * co[i];
				for(int i = 1;i < m;i++)temp[i] += ret[i-1];
				for(int i = 0;i < m;i++)ret[i] = temp[i] % mod;
			}
			if(l > 0){
				Arrays.fill(temp, 0L);
				for(int i = 0;i < m;i++){
					for(int j = 0;j < m;j++){
						temp[i+j] += ret[i] * ret[j] % mod;
					}
				}
				for(int i = 0;i < 2*m-1;i++){
					temp[i] %= mod;
				}
				for(int i = 0;i < m;i++){
					long s = temp[i];
					for(int j = m;j < 2*m-1;j++){
						s += temp[j] * m2[j-m][i] % mod;
					}
					ret[i] = s % mod;
				}
			}
		}

		long s = 0;
		for(int i = 0;i < m;i++){
			s += ret[i] * a[i] % mod;
		}
		return s % mod;
	}


	public static long dot(long[] a, long[] b, int mod)
	{
		long s = 0;
		for(int i = 0;i < a.length;i++){
			s += a[i] * b[i];
			s %= mod;
		}
		return s;
	}

	//////////

	public static long[] modifiedBerlekampMassey(long[] a, int mod)
	{
		assert a.length % 2 == 0;
		int n = a.length/2;
		int m = 2*n-1;
		long[] R0 = new long[2*n+1]; R0[2*n] = 1;
		long[] R1 = new long[2*n];
		for(int i = 0;i < 2*n;i++)R1[i] = a[m-i];
		R1 = strip(R1);
		long[] v0 = {0L};
		long[] v1 = {1L};
		while(n <= R1.length-1){
			long[][] QR = divmod(R0, R1, mod);
			long[] v = sub(v0, mul(QR[0], v1, mod), mod);
			v0 = v1; v1 = v; R0 = R1; R1 = QR[1];
		}
		// normalize
		long z = invl(v1[v1.length-1], mod);
		for(int i = 0;i < v1.length;i++){
			v1[i] = v1[i] * z % mod;
		}
		return strip(v1);
	}

	public static long[] mul(long[] a, long[] b, int mod)
	{
		long[] c = new long[a.length+b.length-1];
		for(int i = 0;i < a.length;i++){
			for(int j = 0;j < b.length;j++){
				c[i+j] += a[i] * b[j];
				c[i+j] %= mod;
			}
		}
		return strip(c);
	}

	public static long[] sub(long[] a, long[] b, int mod)
	{
		long[] c = Arrays.copyOf(a, Math.max(a.length, b.length));
		for(int i = 0;i < c.length;i++){
			c[i] -= b[i];
			if(c[i] < 0)c[i] += mod;
		}
		return strip(c);
	}

	public static long[] strip(long[] a)
	{
		int i;
		for(i = a.length-1;i > 0 && a[i] == 0;i--);
		if(i + 1 == a.length)return a;
		return Arrays.copyOf(a, i+1);
	}

	public static long[][] divmod(long[] A, long[] B, int mod)
	{
		assert B[B.length-1] != 0;
		long[] R = Arrays.copyOf(A, A.length);
		long[] Q = new long[Math.max(1, A.length-B.length+1)];
		long ib = invl(B[B.length-1], mod);
		for(int i = A.length-1, t = Q.length-1;i >= B.length-1;i--,t--){
			long m = R[i] * ib % mod;
			Q[t] = m;
			for(int j = 0, k = i-B.length+1+j;j < B.length;j++,k++){
				R[k] -= B[j] * m;
				R[k] %= mod;
				if(R[k] < 0)R[k] += mod;
			}
			assert R[i] == 0;
		}
		return new long[][]{Q, strip(R)};
	}

	public static long invl(long a, long mod) {
		long b = mod;
		long p = 1, q = 0;
		while (b > 0) {
			long c = a / b;
			long d;
			d = a;
			a = b;
			b = d % b;
			d = p;
			p = q;
			q = d - c * q;
		}
		return p < 0 ? p + mod : p;
	}


	public static int[][] enumFIF(int n, int mod) {
		int[] f = new int[n + 1];
		int[] invf = new int[n + 1];
		f[0] = 1;
		for (int i = 1; i <= n; i++) {
			f[i] = (int) ((long) f[i - 1] * i % mod);
		}
		long a = f[n];
		long b = mod;
		long p = 1, q = 0;
		while (b > 0) {
			long c = a / b;
			long d;
			d = a;
			a = b;
			b = d % b;
			d = p;
			p = q;
			q = d - c * q;
		}
		invf[n] = (int) (p < 0 ? p + mod : p);
		for (int i = n - 1; i >= 0; i--) {
			invf[i] = (int) ((long) invf[i + 1] * (i + 1) % mod);
		}
		return new int[][]{f, invf};
	}


	public static long guessDirectly2(long mod, long x, int[][] fif, long... y)
	{
		int n = y.length;
		if(0 <= x && x < n){
			return y[(int)x];
		}else{
			x %= mod;
			long s = 0;
			long big = (Long.MAX_VALUE/mod/mod-1)*mod*mod;
			long[] left = new long[n+1];
			left[0] = 1;
			for(int i = 0;i < n;i++){
				left[i+1] = left[i] * (x-i) % mod;
			}

			long right = 1;
			for(int i = n-1;i >= 0;i--){
				s += left[i] * right % mod * fif[1][i] % mod * fif[1][n-1-i] % mod * y[i];
				if(s >= big)s -= big;
				if(s <= -big)s += big;
				right = right * -(x-i) % mod;
			}
			s %= mod;
			if(s < 0)s += mod;
			return s;
		}
	}


	public static void main(String[] args) {
		new F().run();
	}

	public void run()
	{
		long S = System.currentTimeMillis();
		is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes());
		out = new FastWriter(System.out);

		solve();
		out.flush();
		long G = System.currentTimeMillis();
		tr(G-S+"ms");
		//		Thread t = new Thread(null, null, "~", Runtime.getRuntime().maxMemory()){
		//			@Override
		//			public void run() {
		//				long s = System.currentTimeMillis();
		//				solve();
		//				out.flush();
		//				if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms");
		//			}
		//		};
		//		t.start();
		//		t.join();
	}

	private boolean eof()
	{
		if(lenbuf == -1)return true;
		int lptr = ptrbuf;
		while(lptr < lenbuf)if(!isSpaceChar(inbuf[lptr++]))return false;

		try {
			is.mark(1000);
			while(true){
				int b = is.read();
				if(b == -1){
					is.reset();
					return true;
				}else if(!isSpaceChar(b)){
					is.reset();
					return false;
				}
			}
		} catch (IOException e) {
			return true;
		}
	}

	private final byte[] inbuf = new byte[1024];
	public int lenbuf = 0, ptrbuf = 0;

	private int readByte()
	{
		if(lenbuf == -1)throw new InputMismatchException();
		if(ptrbuf >= lenbuf){
			ptrbuf = 0;
			try { lenbuf = is.read(inbuf); } catch (IOException e) { throw new InputMismatchException(); }
			if(lenbuf <= 0)return -1;
		}
		return inbuf[ptrbuf++];
	}

	private boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); }
	//	private boolean isSpaceChar(int c) { return !(c >= 32 && c <= 126); }
	private int skip() { int b; while((b = readByte()) != -1 && isSpaceChar(b)); return b; }

	private double nd() { return Double.parseDouble(ns()); }
	private char nc() { return (char)skip(); }

	private String ns()
	{
		int b = skip();
		StringBuilder sb = new StringBuilder();
		while(!(isSpaceChar(b))){
			sb.appendCodePoint(b);
			b = readByte();
		}
		return sb.toString();
	}

	private char[] ns(int n)
	{
		char[] buf = new char[n];
		int b = skip(), p = 0;
		while(p < n && !(isSpaceChar(b))){
			buf[p++] = (char)b;
			b = readByte();
		}
		return n == p ? buf : Arrays.copyOf(buf, p);
	}

	private char[][] nm(int n, int m)
	{
		char[][] map = new char[n][];
		for(int i = 0;i < n;i++)map[i] = ns(m);
		return map;
	}

	private int[] na(int n)
	{
		int[] a = new int[n];
		for(int i = 0;i < n;i++)a[i] = ni();
		return a;
	}

	private long[] nal(int n)
	{
		long[] a = new long[n];
		for(int i = 0;i < n;i++)a[i] = nl();
		return a;
	}

	private int ni()
	{
		int num = 0, b;
		boolean minus = false;
		while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
		if(b == '-'){
			minus = true;
			b = readByte();
		}

		while(true){
			if(b >= '0' && b <= '9'){
				num = num * 10 + (b - '0');
			}else{
				return minus ? -num : num;
			}
			b = readByte();
		}
	}

	private long nl()
	{
		long num = 0;
		int b;
		boolean minus = false;
		while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
		if(b == '-'){
			minus = true;
			b = readByte();
		}

		while(true){
			if(b >= '0' && b <= '9'){
				num = num * 10 + (b - '0');
			}else{
				return minus ? -num : num;
			}
			b = readByte();
		}
	}

	public static class FastWriter
	{
		private static final int BUF_SIZE = 1<<13;
		private final byte[] buf = new byte[BUF_SIZE];
		private final OutputStream out;
		private int ptr = 0;

		private FastWriter(){out = null;}

		public FastWriter(OutputStream os)
		{
			this.out = os;
		}

		public FastWriter(String path)
		{
			try {
				this.out = new FileOutputStream(path);
			} catch (FileNotFoundException e) {
				throw new RuntimeException("FastWriter");
			}
		}

		public FastWriter write(byte b)
		{
			buf[ptr++] = b;
			if(ptr == BUF_SIZE)innerflush();
			return this;
		}

		public FastWriter write(char c)
		{
			return write((byte)c);
		}

		public FastWriter write(char[] s)
		{
			for(char c : s){
				buf[ptr++] = (byte)c;
				if(ptr == BUF_SIZE)innerflush();
			}
			return this;
		}

		public FastWriter write(String s)
		{
			s.chars().forEach(c -> {
				buf[ptr++] = (byte)c;
				if(ptr == BUF_SIZE)innerflush();
			});
			return this;
		}

		private static int countDigits(int l) {
			if (l >= 1000000000) return 10;
			if (l >= 100000000) return 9;
			if (l >= 10000000) return 8;
			if (l >= 1000000) return 7;
			if (l >= 100000) return 6;
			if (l >= 10000) return 5;
			if (l >= 1000) return 4;
			if (l >= 100) return 3;
			if (l >= 10) return 2;
			return 1;
		}

		public FastWriter write(int x)
		{
			if(x == Integer.MIN_VALUE){
				return write((long)x);
			}
			if(ptr + 12 >= BUF_SIZE)innerflush();
			if(x < 0){
				write((byte)'-');
				x = -x;
			}
			int d = countDigits(x);
			for(int i = ptr + d - 1;i >= ptr;i--){
				buf[i] = (byte)('0'+x%10);
				x /= 10;
			}
			ptr += d;
			return this;
		}

		private static int countDigits(long l) {
			if (l >= 1000000000000000000L) return 19;
			if (l >= 100000000000000000L) return 18;
			if (l >= 10000000000000000L) return 17;
			if (l >= 1000000000000000L) return 16;
			if (l >= 100000000000000L) return 15;
			if (l >= 10000000000000L) return 14;
			if (l >= 1000000000000L) return 13;
			if (l >= 100000000000L) return 12;
			if (l >= 10000000000L) return 11;
			if (l >= 1000000000L) return 10;
			if (l >= 100000000L) return 9;
			if (l >= 10000000L) return 8;
			if (l >= 1000000L) return 7;
			if (l >= 100000L) return 6;
			if (l >= 10000L) return 5;
			if (l >= 1000L) return 4;
			if (l >= 100L) return 3;
			if (l >= 10L) return 2;
			return 1;
		}

		public FastWriter write(long x)
		{
			if(x == Long.MIN_VALUE){
				return write("" + x);
			}
			if(ptr + 21 >= BUF_SIZE)innerflush();
			if(x < 0){
				write((byte)'-');
				x = -x;
			}
			int d = countDigits(x);
			for(int i = ptr + d - 1;i >= ptr;i--){
				buf[i] = (byte)('0'+x%10);
				x /= 10;
			}
			ptr += d;
			return this;
		}

		public FastWriter write(double x, int precision)
		{
			if(x < 0){
				write('-');
				x = -x;
			}
			x += Math.pow(10, -precision)/2;
			//		if(x < 0){ x = 0; }
			write((long)x).write(".");
			x -= (long)x;
			for(int i = 0;i < precision;i++){
				x *= 10;
				write((char)('0'+(int)x));
				x -= (int)x;
			}
			return this;
		}

		public FastWriter writeln(char c){ return write(c).writeln(); }
		public FastWriter writeln(int x){ return write(x).writeln(); }
		public FastWriter writeln(long x){ return write(x).writeln(); }
		public FastWriter writeln(double x, int precision){ return write(x, precision).writeln(); }

		public FastWriter write(int... xs)
		{
			boolean first = true;
			for(int x : xs) {
				if (!first) write(' ');
				first = false;
				write(x);
			}
			return this;
		}

		public FastWriter write(long... xs)
		{
			boolean first = true;
			for(long x : xs) {
				if (!first) write(' ');
				first = false;
				write(x);
			}
			return this;
		}

		public FastWriter write(IntUnaryOperator f, int... xs)
		{
			boolean first = true;
			for(int x : xs) {
				if (!first) write(' ');
				first = false;
				write(f.applyAsInt(x));
			}
			return this;
		}

		public FastWriter write(LongUnaryOperator f, long... xs)
		{
			boolean first = true;
			for(long x : xs) {
				if (!first) write(' ');
				first = false;
				write(f.applyAsLong(x));
			}
			return this;
		}

		public FastWriter writeln()
		{
			return write((byte)'\n');
		}

		public FastWriter writeln(int... xs) { return write(xs).writeln(); }
		public FastWriter writeln(long... xs) { return write(xs).writeln(); }
		public FastWriter writeln(IntUnaryOperator f, int... xs) { return write(f, xs).writeln(); }
		public FastWriter writeln(LongUnaryOperator f, long... xs) { return write(f, xs).writeln(); }
		public FastWriter writeln(char[] line) { return write(line).writeln(); }
		public FastWriter writeln(char[]... map) { for(char[] line : map)write(line).writeln();return this; }
		public FastWriter writeln(String s) { return write(s).writeln(); }

		private void innerflush()
		{
			try {
				out.write(buf, 0, ptr);
				ptr = 0;
			} catch (IOException e) {
				throw new RuntimeException("innerflush");
			}
		}

		public void flush()
		{
			innerflush();
			try {
				out.flush();
			} catch (IOException e) {
				throw new RuntimeException("flush");
			}
		}

		public FastWriter print(byte b) { return write(b); }
		public FastWriter print(char c) { return write(c); }
		public FastWriter print(char[] s) { return write(s); }
		public FastWriter print(String s) { return write(s); }
		public FastWriter print(int x) { return write(x); }
		public FastWriter print(long x) { return write(x); }
		public FastWriter print(double x, int precision) { return write(x, precision); }
		public FastWriter println(char c){ return writeln(c); }
		public FastWriter println(int x){ return writeln(x); }
		public FastWriter println(long x){ return writeln(x); }
		public FastWriter println(double x, int precision){ return writeln(x, precision); }
		public FastWriter print(int... xs) { return write(xs); }
		public FastWriter print(long... xs) { return write(xs); }
		public FastWriter print(IntUnaryOperator f, int... xs) { return write(f, xs); }
		public FastWriter print(LongUnaryOperator f, long... xs) { return write(f, xs); }
		public FastWriter println(int... xs) { return writeln(xs); }
		public FastWriter println(long... xs) { return writeln(xs); }
		public FastWriter println(IntUnaryOperator f, int... xs) { return writeln(f, xs); }
		public FastWriter println(LongUnaryOperator f, long... xs) { return writeln(f, xs); }
		public FastWriter println(char[] line) { return writeln(line); }
		public FastWriter println(char[]... map) { return writeln(map); }
		public FastWriter println(String s) { return writeln(s); }
		public FastWriter println() { return writeln(); }
	}

	public static void trnz(int... o)
	{
		for(int i = 0;i < o.length;i++)if(o[i] != 0)System.out.print(i+":"+o[i]+" ");
		System.out.println();
	}

	// print ids which are 1
	public static void trt(long... o)
	{
		Queue<Integer> stands = new ArrayDeque<>();
		for(int i = 0;i < o.length;i++){
			for(long x = o[i];x != 0;x &= x-1)stands.add(i<<6|Long.numberOfTrailingZeros(x));
		}
		System.out.println(stands);
	}

	public static void tf(boolean... r)
	{
		for(boolean x : r)System.out.print(x?'#':'.');
		System.out.println();
	}

	public static void tf(boolean[]... b)
	{
		for(boolean[] r : b) {
			for(boolean x : r)System.out.print(x?'#':'.');
			System.out.println();
		}
		System.out.println();
	}

	public void tf(long[]... b)
	{
		if(INPUT.length() != 0) {
			for (long[] r : b) {
				for (long x : r) {
					for (int i = 0; i < 64; i++) {
						System.out.print(x << ~i < 0 ? '#' : '.');
					}
				}
				System.out.println();
			}
			System.out.println();
		}
	}

	public void tf(long... b)
	{
		if(INPUT.length() != 0) {
			for (long x : b) {
				for (int i = 0; i < 64; i++) {
					System.out.print(x << ~i < 0 ? '#' : '.');
				}
			}
			System.out.println();
		}
	}

	private void tr(Object... o) { if(INPUT.length() != 0)System.out.println(Arrays.deepToString(o)); }
}
0