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  1. /* paiza POH! vol.2
  2.  * result:
  3.  * http://p...content-available-to-author-only...a.jp/poh/paizen/result/01c5aa602db291b371046ecb654e6cbb
  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. 	private int[][] space2right = null;
  21. 	private int[][] space2bottom = null;
  22.  
  23. 	@Override
  24. 	public void setHome(Paiza.Home home) {
  25. 		super.setHome(home);
  26.  
  27. 		space2right = new int[home.getH()][home.getW()];
  28.  
  29. 		for (int y = 0; y < home.getH(); y++) {
  30. 			int count = 0;
  31. 			for (int x = home.getW() - 1; x >= 0; x--) {
  32. 				if (home.isSpace(x, y)) {
  33. 					count++;
  34. 				} else {
  35. 					count = 0;
  36. 				}
  37. 				space2right[y][x] = count;
  38. 			}
  39. 		}
  40.  
  41. 		space2bottom = new int[home.getH()][home.getW()];
  42.  
  43. 		for (int x = 0; x < home.getW(); x++) {
  44. 			int count = 0;
  45. 			for (int y = home.getH() - 1; y >= 0; y--) {
  46. 				if (home.isSpace(x, y)) {
  47. 					count++;
  48. 				} else {
  49. 					count = 0;
  50. 				}
  51. 				space2bottom[y][x] = count;
  52. 			}
  53. 		}
  54. 	}
  55.  
  56. 	@Override
  57. 	public int resolve(Paiza.Widget widget) {
  58. 		if (widget.getS() > widget.getT()) {
  59. 			return resolve2bottom(widget);
  60. 		} else {
  61. 			return resolve2right(widget);
  62. 		}
  63. 	}
  64.  
  65. 	private int resolve2right(Paiza.Widget widget) {
  66. 		int count = 0;
  67. 		for (int y = 0; y <= home.getH() - widget.getS(); y++) {
  68. 			for (int x = 0; x <= home.getW() - widget.getT(); x++) {
  69. 				if (space2bottom[y][x] >= widget.getS()) {
  70. 					boolean placeable = true;
  71. 					for (int dy = 0; placeable && dy < widget.getS(); dy++) {
  72. 						if (space2right[y + dy][x] < widget.getT()) {
  73. 							placeable = false;
  74. 							x += space2right[y + dy][x];
  75. 						}
  76. 					}
  77. 					if (placeable) {
  78. 						count++;
  79. 					}
  80. 				} else if (space2right[y][x] < widget.getT()) {
  81. 					x += space2right[y][x];
  82. 				}
  83. 			}
  84. 		}
  85. 		return count;
  86. 	}
  87.  
  88. 	private int resolve2bottom(Paiza.Widget widget) {
  89. 		int count = 0;
  90. 		for (int x = 0; x <= home.getW() - widget.getT(); x++) {
  91. 			for (int y = 0; y <= home.getH() - widget.getS(); y++) {
  92. 				if (space2right[y][x] >= widget.getT()) {
  93. 					boolean placeable = true;
  94. 					for (int dx = 0; placeable && dx < widget.getT(); dx++) {
  95. 						if (space2bottom[y][x + dx] < widget.getS()) {
  96. 							placeable = false;
  97. 							y += space2bottom[y][x + dx];
  98. 						}
  99. 					}
  100. 					if (placeable) {
  101. 						count++;
  102. 					}
  103. 				} else if (space2bottom[y][x] < widget.getS()) {
  104. 					y += space2bottom[y][x];
  105. 				}
  106. 			}
  107. 		}
  108. 		return count;
  109. 	}
  110.  
  111. }
  112.  
  113.  
  114. abstract class Resolver
  115. {
  116. 	protected Paiza.Home home;
  117.  
  118. 	public void setHome(Paiza.Home home) {
  119. 		this.home = home;
  120. 	}
  121.  
  122. 	public abstract int resolve(Paiza.Widget widget);
  123. }
  124.  
  125. final class Paiza
  126. {
  127. 	public static abstract class Resolver
  128. 	{
  129. 		protected Paiza.Home home;
  130.  
  131. 		public void setHome(Paiza.Home home) {
  132. 			this.home = home;
  133. 		}
  134.  
  135. 		public abstract int resolve(Paiza.Widget widget);
  136. 	}
  137.  
  138. 	public static Paiza getInstance() throws java.lang.Exception {
  139. 		if (paiza == null) {
  140. 			paiza = new Paiza();
  141. 		}
  142. 		return paiza;
  143. 	}	
  144.  
  145. 	public void resolve(Resolver resolver) {
  146. 		init(resolver);
  147. 		for (Widget widget : widgets) {
  148. 			answer(resolver.resolve(widget));
  149. 		}
  150. 		flush();
  151. 	}
  152.  
  153.  
  154. 	public final class Home
  155. 	{
  156. 		private final int H;
  157. 		private final int W;
  158. 		private int[][] display;
  159. 		private Home(int H, int W) {
  160. 			this.H = H;
  161. 			this.W = W;
  162. 			display = new int[H][W];
  163. 		}
  164.  
  165. 		private void setDisplay(int x, int y, int e) throws java.lang.Exception {
  166. 			if (x < 0 || x >= W) {
  167. 				throw new ArrayIndexOutOfBoundsException("x : " + x);
  168. 			}
  169. 			if (y < 0 || y >= H) {
  170. 				throw new ArrayIndexOutOfBoundsException("y : " + y);
  171. 			}
  172. 			if (e != 0 && e != 1) {
  173. 				throw new IllegalArgumentException("e");
  174. 			}
  175. 			display[y][x] = e;
  176. 		}
  177.  
  178. 		public int getH() {
  179. 			return H;
  180. 		}
  181.  
  182. 		public int getW() {
  183. 			return W;
  184. 		}
  185.  
  186. 		public boolean isSpace(int x, int y) {
  187. 			if (x < 0 || y < 0 || x >= W || y >= H) {
  188. 				return false;
  189. 			}
  190. 			return display[y][x] == 0;
  191. 		}
  192. 	}
  193.  
  194. 	public final class Widget
  195. 	{
  196. 		private final int s;
  197. 		private final int t;
  198. 		private Widget(int s, int t) {
  199. 			this.s = s;
  200. 			this.t = t;
  201. 		}
  202.  
  203. 		public int getS() {
  204. 			return s;
  205. 		}
  206.  
  207. 		public int getT() {
  208. 			return t;
  209. 		}
  210. 	}
  211.  
  212. 	private static Paiza paiza = null;
  213.  
  214. 	private Home home;
  215. 	private ArrayList<Widget> widgets;
  216.  
  217. 	private Paiza() throws java.lang.Exception {
  218. 		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
  219. 		String[] hw = in.readLine().split(" ");
  220. 		home = new Home(Integer.parseInt(hw[0]), Integer.parseInt(hw[1]));
  221. 		for (int y = 0; y < home.getH(); y++) {
  222. 			String line = in.readLine();
  223. 			for (int x = 0; x < home.getW(); x++) {
  224. 				home.setDisplay(x, y, (int)(line.charAt(x) - '0'));
  225. 			}
  226. 		}
  227. 		int N = Integer.parseInt(in.readLine());
  228. 		widgets = new ArrayList<Widget>(N);
  229. 		for (int i = 0; i< N; i++) {
  230. 			String[] st = in.readLine().split(" ");
  231. 			widgets.add(new Widget(Integer.parseInt(st[0]), Integer.parseInt(st[1])));
  232. 		}
  233. 	}
  234.  
  235. 	private StringBuilder output = null;
  236. 	private static final String NEWLINE = System.getProperty("line.separator");
  237.  
  238. 	private void init(Resolver resolver) {
  239. 		resolver.setHome(home);
  240. 		output = new StringBuilder(widgets.size() * 6);
  241. 	}
  242.  
  243. 	private void answer(int count) {
  244. 		output.append(count);
  245. 		output.append(NEWLINE);
  246. 	}
  247.  
  248. 	private void flush() {
  249. 		System.out.print(output);
  250. 	}
  251. }
  252.  
Success #stdin #stdout 0.07s 380224KB
comments (?)
stdin 
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stdout 
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https://ideone.com/Nj1FtG
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
secret

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