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  1. /* paiza POH! vol.2
  2.  * result:
  3.  * http://p...content-available-to-author-only...a.jp/poh/paizen/result/48a76a592c335af1994c0acb71cc1e17
  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. 	private int[][] result = null;
  23.  
  24. 	@Override
  25. 	public void setHome(Paiza.Home home) {
  26. 		super.setHome(home);
  27.  
  28. 		space2right = new int[home.getH()][home.getW()];
  29. 		int allSpaceCount = 0;
  30.  
  31. 		for (int y = 0; y < home.getH(); y++) {
  32. 			int count = 0;
  33. 			for (int x = home.getW() - 1; x >= 0; x--) {
  34. 				if (home.isSpace(x, y)) {
  35. 					count++;
  36. 					allSpaceCount++;
  37. 				} else {
  38. 					count = 0;
  39. 				}
  40. 				space2right[y][x] = count;
  41. 			}
  42. 		}
  43.  
  44. 		space2bottom = new int[home.getH()][home.getW()];
  45.  
  46. 		for (int x = 0; x < home.getW(); x++) {
  47. 			int count = 0;
  48. 			for (int y = home.getH() - 1; y >= 0; y--) {
  49. 				if (home.isSpace(x, y)) {
  50. 					count++;
  51. 				} else {
  52. 					count = 0;
  53. 				}
  54. 				space2bottom[y][x] = count;
  55. 			}
  56. 		}
  57.  
  58. 		result = new int[301][301];
  59. 		result[1][1] = allSpaceCount + 1;
  60.  
  61. 	}
  62.  
  63. 	@Override
  64. 	public int resolve(Paiza.Widget widget) {
  65. 		if (result[widget.getS()][widget.getT()] > 0) {
  66. 			return result[widget.getS()][widget.getT()] - 1;
  67. 		}
  68. 		int count = 0;
  69. 		if (widget.getS() <= home.getH() && widget.getT() <= home.getW()) {
  70. 			if (widget.getS() > widget.getT()) {
  71. 				count = resolve2bottom(widget);
  72. 			} else {
  73. 				count = resolve2right(widget);
  74. 			}
  75. 		}
  76. 		result[widget.getS()][widget.getT()] = count + 1;
  77. 		return count;
  78. 	}
  79.  
  80. 	private int resolve2right(Paiza.Widget widget) {
  81. 		int count = 0;
  82. 		for (int y = 0; y <= home.getH() - widget.getS(); y++) {
  83. 			for (int x = 0; x <= home.getW() - widget.getT(); x++) {
  84. 				if (space2bottom[y][x] >= widget.getS()) {
  85. 					boolean placeable = true;
  86. 					for (int dy = 0; placeable && dy < widget.getS(); dy++) {
  87. 						if (space2right[y + dy][x] < widget.getT()) {
  88. 							placeable = false;
  89. 							x += space2right[y + dy][x];
  90. 						}
  91. 					}
  92. 					if (placeable) {
  93. 						count++;
  94. 					}
  95. 				} else if (space2right[y][x] < widget.getT()) {
  96. 					x += space2right[y][x];
  97. 				}
  98. 			}
  99. 		}
  100. 		return count;
  101. 	}
  102.  
  103. 	private int resolve2bottom(Paiza.Widget widget) {
  104. 		int count = 0;
  105. 		for (int x = 0; x <= home.getW() - widget.getT(); x++) {
  106. 			for (int y = 0; y <= home.getH() - widget.getS(); y++) {
  107. 				if (space2right[y][x] >= widget.getT()) {
  108. 					boolean placeable = true;
  109. 					for (int dx = 0; placeable && dx < widget.getT(); dx++) {
  110. 						if (space2bottom[y][x + dx] < widget.getS()) {
  111. 							placeable = false;
  112. 							y += space2bottom[y][x + dx];
  113. 						}
  114. 					}
  115. 					if (placeable) {
  116. 						count++;
  117. 					}
  118. 				} else if (space2bottom[y][x] < widget.getS()) {
  119. 					y += space2bottom[y][x];
  120. 				}
  121. 			}
  122. 		}
  123. 		return count;
  124. 	}
  125.  
  126. }
  127.  
  128.  
  129. abstract class Resolver
  130. {
  131. 	protected Paiza.Home home;
  132.  
  133. 	public void setHome(Paiza.Home home) {
  134. 		this.home = home;
  135. 	}
  136.  
  137. 	public abstract int resolve(Paiza.Widget widget);
  138. }
  139.  
  140. final class Paiza
  141. {
  142. 	public static abstract class Resolver
  143. 	{
  144. 		protected Paiza.Home home;
  145.  
  146. 		public void setHome(Paiza.Home home) {
  147. 			this.home = home;
  148. 		}
  149.  
  150. 		public abstract int resolve(Paiza.Widget widget);
  151. 	}
  152.  
  153. 	public static Paiza getInstance() throws java.lang.Exception {
  154. 		if (paiza == null) {
  155. 			paiza = new Paiza();
  156. 		}
  157. 		return paiza;
  158. 	}	
  159.  
  160. 	public void resolve(Resolver resolver) {
  161. 		init(resolver);
  162. 		for (Widget widget : widgets) {
  163. 			answer(resolver.resolve(widget));
  164. 		}
  165. 		flush();
  166. 	}
  167.  
  168.  
  169. 	public final class Home
  170. 	{
  171. 		private final int H;
  172. 		private final int W;
  173. 		private int[][] display;
  174. 		private Home(int H, int W) {
  175. 			this.H = H;
  176. 			this.W = W;
  177. 			display = new int[H][W];
  178. 		}
  179.  
  180. 		private void setDisplay(int x, int y, int e) throws java.lang.Exception {
  181. 			if (x < 0 || x >= W) {
  182. 				throw new ArrayIndexOutOfBoundsException("x : " + x);
  183. 			}
  184. 			if (y < 0 || y >= H) {
  185. 				throw new ArrayIndexOutOfBoundsException("y : " + y);
  186. 			}
  187. 			if (e != 0 && e != 1) {
  188. 				throw new IllegalArgumentException("e");
  189. 			}
  190. 			display[y][x] = e;
  191. 		}
  192.  
  193. 		public int getH() {
  194. 			return H;
  195. 		}
  196.  
  197. 		public int getW() {
  198. 			return W;
  199. 		}
  200.  
  201. 		public boolean isSpace(int x, int y) {
  202. 			if (x < 0 || y < 0 || x >= W || y >= H) {
  203. 				return false;
  204. 			}
  205. 			return display[y][x] == 0;
  206. 		}
  207. 	}
  208.  
  209. 	public final class Widget
  210. 	{
  211. 		private final int s;
  212. 		private final int t;
  213. 		private Widget(int s, int t) {
  214. 			this.s = s;
  215. 			this.t = t;
  216. 		}
  217.  
  218. 		public int getS() {
  219. 			return s;
  220. 		}
  221.  
  222. 		public int getT() {
  223. 			return t;
  224. 		}
  225. 	}
  226.  
  227. 	private static Paiza paiza = null;
  228.  
  229. 	private Home home;
  230. 	private ArrayList<Widget> widgets;
  231.  
  232. 	private Paiza() throws java.lang.Exception {
  233. 		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
  234. 		String[] hw = in.readLine().split(" ");
  235. 		home = new Home(Integer.parseInt(hw[0]), Integer.parseInt(hw[1]));
  236. 		for (int y = 0; y < home.getH(); y++) {
  237. 			String line = in.readLine();
  238. 			for (int x = 0; x < home.getW(); x++) {
  239. 				home.setDisplay(x, y, (int)(line.charAt(x) - '0'));
  240. 			}
  241. 		}
  242. 		int N = Integer.parseInt(in.readLine());
  243. 		widgets = new ArrayList<Widget>(N);
  244. 		for (int i = 0; i< N; i++) {
  245. 			String[] st = in.readLine().split(" ");
  246. 			widgets.add(new Widget(Integer.parseInt(st[0]), Integer.parseInt(st[1])));
  247. 		}
  248. 	}
  249.  
  250. 	private StringBuilder output = null;
  251. 	private static final String NEWLINE = System.getProperty("line.separator");
  252.  
  253. 	private void init(Resolver resolver) {
  254. 		resolver.setHome(home);
  255. 		output = new StringBuilder(widgets.size() * 6);
  256. 	}
  257.  
  258. 	private void answer(int count) {
  259. 		output.append(count);
  260. 		output.append(NEWLINE);
  261. 	}
  262.  
  263. 	private void flush() {
  264. 		System.out.print(output);
  265. 	}
  266. }
  267.  
Success #stdin #stdout 0.08s 380160KB
comments (?)
stdin 
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stdout 
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https://ideone.com/BxOMMA
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
secret

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