結果

問題 No.1434 Make Maze
ユーザー uwiuwi
提出日時 2021-03-19 22:29:07
言語 Java21
(openjdk 21)
結果
AC  
実行時間 145 ms / 2,000 ms
コード長 14,300 bytes
コンパイル時間 6,147 ms
コンパイル使用メモリ 97,988 KB
実行使用メモリ 54,872 KB
最終ジャッジ日時 2024-11-24 21:39:02
合計ジャッジ時間 13,308 ms
ジャッジサーバーID
（参考情報） 		judge3 / judge4
このコードへのチャレンジ
（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 77 ms
51,128 KB
testcase_01 AC 70 ms
51,076 KB
testcase_02 AC 145 ms
54,512 KB
testcase_03 AC 143 ms
54,872 KB
testcase_04 AC 81 ms
51,140 KB
testcase_05 AC 75 ms
51,160 KB
testcase_06 AC 75 ms
50,672 KB
testcase_07 AC 72 ms
50,680 KB
testcase_08 AC 83 ms
51,228 KB
testcase_09 AC 71 ms
50,828 KB
testcase_10 AC 92 ms
51,180 KB
testcase_11 AC 86 ms
51,288 KB
testcase_12 AC 88 ms
51,408 KB
testcase_13 AC 78 ms
50,888 KB
testcase_14 AC 91 ms
51,256 KB
testcase_15 AC 120 ms
52,472 KB
testcase_16 AC 90 ms
51,428 KB
testcase_17 AC 87 ms
51,288 KB
testcase_18 AC 110 ms
51,948 KB
testcase_19 AC 137 ms
54,436 KB
testcase_20 AC 75 ms
51,196 KB
testcase_21 AC 74 ms
50,684 KB
testcase_22 AC 73 ms
50,852 KB
testcase_23 AC 73 ms
51,028 KB
testcase_24 AC 132 ms
52,460 KB
testcase_25 AC 136 ms
54,680 KB
testcase_26 AC 91 ms
51,608 KB
testcase_27 AC 127 ms
52,436 KB
testcase_28 AC 94 ms
51,180 KB
testcase_29 AC 86 ms
51,260 KB
testcase_30 AC 112 ms
52,032 KB
testcase_31 AC 116 ms
52,196 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 contest210319;
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 C {
	InputStream is;
	FastWriter out;

	String INPUT = "";

	public void solve()
	{
		int H = ni(), W = ni(), X = ni();
		if(X % 2 != 0 || X < (H-1) + (W-1)){
			out.println(-1);
			return;
		}

		char[][] ret = solve(H, W, X);
		if(ret == null){
			ret = solve(W, H, X);
			if(ret != null)ret = trans(ret);
		}

		if(ret == null){
			out.println(-1);
		}else {
			for (char[] row : ret) {
				out.println(new String(row));
			}
		}
	}

	public static char[][] trans(char[][] a)
	{
		if(a.length == 0)return new char[0][0];
		int n = a.length, m = a[0].length;
		char[][] ret = new char[m][n];
		for(int i = 0;i < m;i++){
			for(int j = 0;j < n;j++){
				ret[i][j] = a[j][i];
			}
		}
		return ret;
	}


	char[][] solve(int H, int W, int X)
	{
		if(H % 4 == 3){
			int max = W*(H/4*2+1) + (H/2);
			if(W % 4 == 3) {
				int xx = (H / 2 - 1) * (W + 1) + 4 * (W / 2) + 1 - 1;
				if(X >= max && X <= xx && (xx-X) % 4 == 0){
					char[][] ret = new char[H][W];
					for(int i = 0;i < H;i++)Arrays.fill(ret[i], '.');
					for(int i = 1;i < H-2;i+=2){
						if(i % 4 == 1){
							for(int j = 0;j < W-1;j++){
								ret[i][j] = '#';
							}
						}else{
							for(int j = 1;j < W;j++){
								ret[i][j] = '#';
							}
						}
					}
					for(int i = 1;i < W;i+=2){
						if(i % 4 == 1){
							ret[H-2][i] = '#';
							ret[H-3][i] = '#';
						}else{
							ret[H-2][i] = '#';
							ret[H-1][i] = '#';
						}
					}
					int j = W-4;
					while(xx > X){
						xx -= 4;
						ret[H-1][j] = '.';
						ret[H-3][j] = '#';
						j -= 4;
					}
					assert xx == X;
					return ret;
				}
			}else{
				int xx = (H / 2 - 1) * (W + 1) + 4 * (W / 2) + 3 - 1;
//				tr(xx);
				if(X >= max && X <= xx && (xx-X) % 4 == 0){
					char[][] ret = new char[H][W];
					for(int i = 0;i < H;i++)Arrays.fill(ret[i], '.');
					for(int i = 1;i < H-2;i+=2){
						if(i % 4 == 1){
							for(int j = 0;j < W-1;j++){
								ret[i][j] = '#';
							}
						}else{
							for(int j = 1;j < W;j++){
								ret[i][j] = '#';
							}
						}
					}
					for(int i = 1;i < W;i+=2){
						if(i % 4 == 1){
							ret[H-2][i] = '#';
							ret[H-3][i] = '#';
						}else{
							ret[H-2][i] = '#';
							ret[H-1][i] = '#';
						}
					}
					int j = W-2;
					while(xx > X){
						xx -= 4;
						ret[H-1][j] = '.';
						ret[H-3][j] = '#';
						j -= 4;
					}
					assert xx == X;
					return ret;
				}
			}
		}

		int max = W*(H/4*2+1) + (H/2);
		if(H % 4 == 1)max--;
		if(!(X <= max && (max - X) % 4 == 0)){
			return null;
		}
		char[][] ret = new char[H][W];
		for(int i = 0;i < H;i++)Arrays.fill(ret[i], '.');
		for(int i = 1;i < H;i+=2){
			if(i % 4 == 1){
				for(int j = 0;j < W-1;j++){
					ret[i][j] = '#';
				}
			}else{
				for(int j = 1;j < W;j++){
					ret[i][j] = '#';
				}
			}
		}

		for(int i = 3;i < H;i+=4){
			if(max > X){
				int jump = Math.min(W/2, (max-X)/4);
				max -= 4*jump;
				ret[i][0] = '#';
				ret[i][2*jump] = '.';
			}
		}
		if(max == X)return ret;
		return null;
	}

	public static void main(String[] args) {
		new C().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