結果

問題 No.440 2次元チワワ問題
ユーザー tanzakutanzaku
提出日時 2016-10-28 23:28:32
言語 Java21
(openjdk 21)
結果
TLE  
(最新)
AC  
(最初)
実行時間 -
コード長 8,334 bytes
コンパイル時間 2,913 ms
コンパイル使用メモリ 82,152 KB
実行使用メモリ 112,600 KB
最終ジャッジ日時 2023-08-15 21:37:46
合計ジャッジ時間 31,592 ms
ジャッジサーバーID
（参考情報） 		judge14 / judge13
このコードへのチャレンジ
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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 48 ms
51,060 KB
testcase_01 AC 49 ms
50,880 KB
testcase_02 AC 51 ms
51,112 KB
testcase_03 AC 50 ms
51,144 KB
testcase_04 AC 65 ms
55,316 KB
testcase_05 AC 54 ms
52,328 KB
testcase_06 AC 51 ms
51,128 KB
testcase_07 AC 316 ms
63,540 KB
testcase_08 AC 661 ms
65,836 KB
testcase_09 AC 1,496 ms
84,536 KB
testcase_10 AC 286 ms
64,248 KB
testcase_11 AC 356 ms
62,280 KB
testcase_12 AC 437 ms
83,376 KB
testcase_13 AC 1,462 ms
94,796 KB
testcase_14 AC 118 ms
56,740 KB
testcase_15 AC 1,485 ms
96,380 KB
testcase_16 AC 161 ms
57,336 KB
testcase_17 AC 2,422 ms
112,132 KB
testcase_18 AC 2,327 ms
110,228 KB
testcase_19 AC 2,299 ms
110,240 KB
testcase_20 AC 2,267 ms
112,052 KB
testcase_21 TLE -
testcase_22 TLE -
testcase_23 TLE -
testcase_24 TLE -
testcase_25 AC 2,831 ms
112,248 KB
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ソースコード

diff # 

import java.io.*;
import java.math.*;
import java.util.*;
import java.util.Map.Entry;

import static java.util.Arrays.*;

public class Main implements Runnable {
	private static final int mod = (int)1e9+7;

	final Random random = new Random(0);
	final IOFast io = new IOFast();

	/// MAIN CODE
	@Override
	public void run() {
		try {
			runMain();
		}
		catch(Exception e) {
			
		}
	}
	
	public void runMain() throws IOException {
//		int TEST_CASE = Integer.parseInt(new String(io.nextLine()).trim());
		int TEST_CASE = 1;
		while(TEST_CASE-- != 0) {
			int h = io.nextInt();
			int w = io.nextInt();

			char[][] cs = new char[h][];
			for (int i = 0; i < h; i++) {
				cs[i] = io.next();
			}

			int Q = io.nextInt();
			int[][] qs = io.nextIntArray2D(Q, 4);
			long[] ans = new long[Q];
			
			Seg2[] seg = new Seg2[h];
			for (int i = 0; i < h; i++) {
				seg[i] = new Seg2(w);
				for (int j = 0; j < w; j++) {
					seg[i].update(j, cs[i][j]);
				}
			}
			
			for (int i = 0; i < Q; i++) {
				int y1 = qs[i][0] - 1;
				int x1 = qs[i][1] - 1;
				int y2 = qs[i][2] - 1;
				int x2 = qs[i][3] - 1;
				for (int y = y1; y <= y2; y++) {
					S s = seg[y].get(x1, x2 + 1);
//					dump(s);
					ans[i] += s.cww;
				}
			}

			seg = new Seg2[w];
			System.gc();
			for (int i = 0; i < w; i++) {
				seg[i] = new Seg2(h);
				for (int j = 0; j < h; j++) {
					seg[i].update(j, cs[j][i]);
				}
			}
			
			for (int i = 0; i < Q; i++) {
				int x1 = qs[i][0] - 1;
				int y1 = qs[i][1] - 1;
				int x2 = qs[i][2] - 1;
				int y2 = qs[i][3] - 1;
				for (int y = y1; y <= y2; y++) {
					S s = seg[y].get(x1, x2 + 1);
//					dump(s);
					ans[i] += s.cww;
				}
			}
			
			for (long a : ans)
				io.out.println(a);
		}
	}
	
	static
	class S {
		long leftW, rightW, c, w, cww;
		@Override
		public String toString() {
			// TODO Auto-generated method stub
			return leftW + " " + rightW + " " + c + " " + w + " " + cww;
		}
	}
	
	static
	class Seg2 {
		final int n;
		final S[] seg;
		
		public Seg2(final int n) {
			this.n = Integer.highestOneBit(n) << 1;
			seg = new S[this.n << 1];
			for (int i = 0; i < seg.length; i++) {
				seg[i] = new S();
			}
		}

		S get(int l, int r) { return get(l, r, 0, 0, n); }
		S get(int l, int r, int k, int curL, int curR) {
			if(curR <= l || curL >= r) return new S();
			if(l <= curL && curR <= r) { return seg[k]; }
			final int curM = (curL + curR) / 2;
			return merge(
					get(l, r, 2 * k + 1, curL, curM),
					get(l, r, 2 * k + 2, curM, curR));
		}
		
		S merge(S l, S r) {
			S s = new S();
			s.c = l.c + r.c;
			s.w = l.w + r.w;
			s.leftW = l.leftW + r.leftW + l.w * r.c;
			s.rightW = l.rightW + r.rightW + r.w * l.c;
			s.cww = l.cww + r.cww + l.w * r.leftW + r.w * l.rightW + l.c * r.w * (r.w - 1) / 2 + r.c * l.w * (l.w - 1) / 2;
			return s;
		}
		
		void update(int i, char c) {
			i += n - 1;
			seg[i].c = seg[i].w = seg[i].leftW = seg[i].rightW = seg[i].cww = 0;
			if (c == 'c') seg[i].c++;
			else seg[i].w++;
			while(i != 0) {
				i = (i - 1) / 2;
				seg[i] = merge(seg[2*i+1], seg[2*i+2]);
			}
		}
	}
	
	/// TEMPLATE
	static int gcd(int n, int r) { return r == 0 ? n : gcd(r, n%r); }
	static long gcd(long n, long r) { return r == 0 ? n : gcd(r, n%r); }
	
	static <T> void swap(T[] x, int i, int j) { T t = x[i]; x[i] = x[j]; x[j] = t; }
	static void swap(int[] x, int i, int j) { int t = x[i]; x[i] = x[j]; x[j] = t; }

	void printArrayLn(int[] xs) { for(int i = 0; i < xs.length; i++) io.out.print(xs[i] + (i==xs.length-1?"\n":" ")); }
	void printArrayLn(long[] xs) { for(int i = 0; i < xs.length; i++) io.out.print(xs[i] + (i==xs.length-1?"\n":" ")); }
	
	static void dump(Object... o) { System.err.println(Arrays.deepToString(o)); } 
	
	void main() throws IOException {
		//		IOFast.setFileIO("rle-size.in", "rle-size.out");
      Thread thread = new Thread(null, this, "0", 1<<25);
      thread.start();
      try {
		thread.join();
	} catch (InterruptedException e1) {
		// TODO Auto-generated catch block
		e1.printStackTrace();
	}
//		try { run(); }
//		catch (EndOfFileRuntimeException e) { }
		io.out.flush();
	}
	public static void main(String[] args) throws IOException { new Main().main(); }
	
	static class EndOfFileRuntimeException extends RuntimeException {
		private static final long serialVersionUID = -8565341110209207657L; }

	static
	public class IOFast {
		private BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
		private PrintWriter out = new PrintWriter(System.out);

		void setFileIn(String ins) throws IOException { in.close(); in = new BufferedReader(new FileReader(ins)); }
		void setFileOut(String outs) throws IOException { out.flush(); out.close(); out = new PrintWriter(new FileWriter(outs)); }
		void setFileIO(String ins, String outs) throws IOException { setFileIn(ins); setFileOut(outs); }

		private static int pos, readLen;
		private static final char[] buffer = new char[1024 * 8];
		private static char[] str = new char[500*8*2];
		private static boolean[] isDigit = new boolean[256];
		private static boolean[] isSpace = new boolean[256];
		private static boolean[] isLineSep = new boolean[256];

		static { for(int i = 0; i < 10; i++) { isDigit['0' + i] = true; } isDigit['-'] = true; isSpace[' '] = isSpace['\r'] = isSpace['\n'] = isSpace['\t'] = true; isLineSep['\r'] = isLineSep['\n'] = true; }
		public int read() throws IOException { if(pos >= readLen) { pos = 0; readLen = in.read(buffer); if(readLen <= 0) { throw new EndOfFileRuntimeException(); } } return buffer[pos++]; }
		public int nextInt() throws IOException { int len = 0; str[len++] = nextChar(); len = reads(len, isSpace); int i = 0; int ret = 0; if(str[0] == '-') { i = 1; } for(; i < len; i++) ret = ret * 10 + str[i] - '0'; if(str[0] == '-') { ret = -ret; } return ret; }
		public long nextLong() throws IOException { int len = 0; str[len++] = nextChar(); len = reads(len, isSpace); int i = 0; long ret = 0; if(str[0] == '-') { i = 1; } for(; i < len; i++) ret = ret * 10 + str[i] - '0'; if(str[0] == '-') { ret = -ret; } return ret; }
		public char nextChar() throws IOException { while(true) { final int c = read(); if(!isSpace[c]) { return (char)c; } } }
		int reads(int len, boolean[] accept) throws IOException { try { while(true) { final int c = read(); if(accept[c]) { break; } if(str.length == len) { char[] rep = new char[str.length * 3 / 2]; System.arraycopy(str, 0, rep, 0, str.length); str = rep; } str[len++] = (char)c; } } catch(EndOfFileRuntimeException e) { ; } return len; }
		int reads(char[] cs, int len, boolean[] accept) throws IOException { try { while(true) { final int c = read(); if(accept[c]) { break; } cs[len++] = (char)c; } } catch(EndOfFileRuntimeException e) { ; } return len; }
		public char[] nextLine() throws IOException { int len = 0; str[len++] = nextChar(); len = reads(len, isLineSep); try { if(str[len-1] == '\r') { len--; read(); } } catch(EndOfFileRuntimeException e) { ; } return Arrays.copyOf(str, len); }
		public String nextString() throws IOException { return new String(next()); }
		public char[] next() throws IOException { int len = 0; str[len++] = nextChar(); len = reads(len, isSpace); return Arrays.copyOf(str, len); }
//		public int next(char[] cs) throws IOException { int len = 0; cs[len++] = nextChar(); len = reads(cs, len, isSpace); return len; }
		public double nextDouble() throws IOException { return Double.parseDouble(nextString()); }
		public long[] nextLongArray(final int n) throws IOException { final long[] res = new long[n]; for(int i = 0; i < n; i++) { res[i] = nextLong(); } return res; }
		public int[] nextIntArray(final int n) throws IOException { final int[] res = new int[n]; for(int i = 0; i < n; i++) { res[i] = nextInt(); } return res; }
		public int[][] nextIntArray2D(final int n, final int k) throws IOException { final int[][] res = new int[n][]; for(int i = 0; i < n; i++) { res[i] = nextIntArray(k); } return res; }
		public int[][] nextIntArray2DWithIndex(final int n, final int k) throws IOException { final int[][] res = new int[n][k+1]; for(int i = 0; i < n; i++) { for(int j = 0; j < k; j++) { res[i][j] = nextInt(); } res[i][k] = i; } return res; }
		public double[] nextDoubleArray(final int n) throws IOException { final double[] res = new double[n]; for(int i = 0; i < n; i++) { res[i] = nextDouble(); } return res; }
	}
}
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