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  1. /* paiza POH! vol.2
  2.  * result:
  3.  * http://p...content-available-to-author-only...a.jp/poh/paizen/result/b58342777dadca0419d0d9af4c7bef64
  4.  * author: Leonardone @ NEETSDKASU
  5.  */
  6. import java.util.*;
  7. import java.lang.*;
  8. import java.io.*;
  9.  
  10. class Main
  11. {
  12. 	public static void main (String[] args) throws java.lang.Exception
  13. 	{
  14. 		Paiza.getInstance().resolve(new MyResolver());
  15. 	}
  16. }
  17.  
  18. class MyResolver extends Paiza.Resolver
  19. {
  20.  
  21. 	int[][] table = null;
  22. 	int[][] cache = null;
  23.  
  24. 	@Override
  25. 	public void setHome(Paiza.Home home) {
  26. 		super.setHome(home);
  27.  
  28. 		table = new int[home.getH() + 1][home.getW() + 1];
  29. 		cache = new int[home.getH() + 1][home.getW() + 1];
  30.  
  31. 		int[][] space2right = new int[home.getH()][home.getW()];
  32. 		int all = 0;
  33.  
  34. 		for (int y = 0; y < home.getH(); y++) {
  35. 			int count = 0;
  36. 			for (int x = home.getW() - 1; x >= 0; x--) {
  37. 				if (home.isSpace(x, y)) {
  38. 					all++;
  39. 					count++;
  40. 					space2right[y][x] = count;
  41. 					int s = 1;
  42. 					int t = count;
  43. 					for (int i = y; i >= 0 && space2right[i][x] > 0; i--) {
  44. 						if (space2right[i][x] < t) {
  45. 							t = space2right[i][x];
  46. 						}
  47. 						table[s][t]++;
  48. 						s++;
  49. 					}
  50. 				} else {
  51. 					count = 0;
  52. 				}
  53. 			}
  54. 		}
  55.  
  56. 		cache[1][1] = all + 1;
  57. 	} // setHome()
  58.  
  59. 	@Override
  60. 	public int resolve(Paiza.Widget widget) {
  61. 		int s = widget.getS();
  62. 		int t = widget.getT();
  63. 		if (s > home.getH() || t > home.getW()) {
  64. 			return 0;
  65. 		}
  66. 		if (cache[s][t] > 0) {
  67. 			return cache[s][t] - 1;
  68. 		}
  69. 		int count = 0;
  70. 		for (int i = t; i <= home.getW(); i++) {
  71. 			count += table[s][i];
  72. 		}
  73. 		cache[s][t] = count + 1;
  74. 		return count;
  75. 	} // resolve()
  76.  
  77. }
  78.  
  79. final class Paiza
  80. {
  81. 	public static abstract class Resolver
  82. 	{
  83. 		protected Paiza.Home home;
  84.  
  85. 		public void setHome(Paiza.Home home) {
  86. 			this.home = home;
  87. 		}
  88.  
  89. 		public abstract int resolve(Paiza.Widget widget);
  90. 	}
  91.  
  92. 	public static Paiza getInstance() throws java.lang.Exception {
  93. 		if (paiza == null) {
  94. 			paiza = new Paiza();
  95. 		}
  96. 		return paiza;
  97. 	}	
  98.  
  99. 	public void resolve(Resolver resolver) {
  100. 		init(resolver);
  101. 		for (Widget widget : widgets) {
  102. 			answer(resolver.resolve(widget));
  103. 		}
  104. 		flush();
  105. 	}
  106.  
  107.  
  108. 	public final class Home
  109. 	{
  110. 		private final int H;
  111. 		private final int W;
  112. 		private int[][] display;
  113. 		private Home(int H, int W) {
  114. 			this.H = H;
  115. 			this.W = W;
  116. 			display = new int[H][W];
  117. 		}
  118.  
  119. 		private void setDisplay(int x, int y, int e) {
  120. 			display[y][x] = e;
  121. 		}
  122.  
  123. 		public int getH() {
  124. 			return H;
  125. 		}
  126.  
  127. 		public int getW() {
  128. 			return W;
  129. 		}
  130.  
  131. 		public boolean isSpace(int x, int y) {
  132. 			return display[y][x] == 0;
  133. 		}
  134. 	}
  135.  
  136. 	public final class Widget
  137. 	{
  138. 		private final int s;
  139. 		private final int t;
  140. 		private Widget(int s, int t) {
  141. 			this.s = s;
  142. 			this.t = t;
  143. 		}
  144.  
  145. 		public int getS() {
  146. 			return s;
  147. 		}
  148.  
  149. 		public int getT() {
  150. 			return t;
  151. 		}
  152. 	}
  153.  
  154. 	private static Paiza paiza = null;
  155.  
  156. 	private Home home;
  157. 	private ArrayList<Widget> widgets;
  158.  
  159. 	private Paiza() throws java.lang.Exception {
  160. 		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
  161. 		String[] hw = in.readLine().split(" ");
  162. 		home = new Home(Integer.parseInt(hw[0]), Integer.parseInt(hw[1]));
  163. 		for (int y = 0; y < home.getH(); y++) {
  164. 			String line = in.readLine();
  165. 			for (int x = 0; x < home.getW(); x++) {
  166. 				home.setDisplay(x, y, (int)(line.charAt(x) - '0'));
  167. 			}
  168. 		}
  169. 		int N = Integer.parseInt(in.readLine());
  170. 		widgets = new ArrayList<Widget>(N);
  171. 		for (int i = 0; i< N; i++) {
  172. 			String[] st = in.readLine().split(" ");
  173. 			widgets.add(new Widget(Integer.parseInt(st[0]), Integer.parseInt(st[1])));
  174. 		}
  175. 	}
  176.  
  177. 	private StringBuilder output = null;
  178. 	private static final String NEWLINE = System.getProperty("line.separator");
  179.  
  180. 	private void init(Resolver resolver) {
  181. 		resolver.setHome(home);
  182. 		output = new StringBuilder(widgets.size() * 6);
  183. 	}
  184.  
  185. 	private void answer(int count) {
  186. 		output.append(count);
  187. 		output.append(NEWLINE);
  188. 	}
  189.  
  190. 	private void flush() {
  191. 		System.out.print(output);
  192. 	}
  193. }
  194.  
Success #stdin #stdout 0.07s 380224KB
comments (?)
stdin 
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stdout 
6
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https://ideone.com/tZ7bjl
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
secret

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