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  1. /* paiza POH! vol.2
  2.  * result:
  3.  * http://p...content-available-to-author-only...a.jp/poh/paizen/result/baed3ab1579f6293b7f9a8785d43401f
  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;
  69. 		if (widget.getS() > widget.getT()) {
  70. 			count = resolve2bottom(widget);
  71. 		} else {
  72. 			count = resolve2right(widget);
  73. 		}
  74. 		result[widget.getS()][widget.getT()] = count + 1;
  75. 		return count;
  76. 	}
  77.  
  78. 	private int resolve2right(Paiza.Widget widget) {
  79. 		int count = 0;
  80. 		for (int y = 0; y <= home.getH() - widget.getS(); y++) {
  81. 			for (int x = 0; x <= home.getW() - widget.getT(); x++) {
  82. 				if (space2bottom[y][x] >= widget.getS()) {
  83. 					boolean placeable = true;
  84. 					for (int dy = 0; placeable && dy < widget.getS(); dy++) {
  85. 						if (space2right[y + dy][x] < widget.getT()) {
  86. 							placeable = false;
  87. 							x += space2right[y + dy][x];
  88. 						}
  89. 					}
  90. 					if (placeable) {
  91. 						count++;
  92. 					}
  93. 				} else if (space2right[y][x] < widget.getT()) {
  94. 					x += space2right[y][x];
  95. 				}
  96. 			}
  97. 		}
  98. 		return count;
  99. 	}
  100.  
  101. 	private int resolve2bottom(Paiza.Widget widget) {
  102. 		int count = 0;
  103. 		for (int x = 0; x <= home.getW() - widget.getT(); x++) {
  104. 			for (int y = 0; y <= home.getH() - widget.getS(); y++) {
  105. 				if (space2right[y][x] >= widget.getT()) {
  106. 					boolean placeable = true;
  107. 					for (int dx = 0; placeable && dx < widget.getT(); dx++) {
  108. 						if (space2bottom[y][x + dx] < widget.getS()) {
  109. 							placeable = false;
  110. 							y += space2bottom[y][x + dx];
  111. 						}
  112. 					}
  113. 					if (placeable) {
  114. 						count++;
  115. 					}
  116. 				} else if (space2bottom[y][x] < widget.getS()) {
  117. 					y += space2bottom[y][x];
  118. 				}
  119. 			}
  120. 		}
  121. 		return count;
  122. 	}
  123.  
  124. }
  125.  
  126.  
  127. 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. final class Paiza
  139. {
  140. 	public static abstract class Resolver
  141. 	{
  142. 		protected Paiza.Home home;
  143.  
  144. 		public void setHome(Paiza.Home home) {
  145. 			this.home = home;
  146. 		}
  147.  
  148. 		public abstract int resolve(Paiza.Widget widget);
  149. 	}
  150.  
  151. 	public static Paiza getInstance() throws java.lang.Exception {
  152. 		if (paiza == null) {
  153. 			paiza = new Paiza();
  154. 		}
  155. 		return paiza;
  156. 	}	
  157.  
  158. 	public void resolve(Resolver resolver) {
  159. 		init(resolver);
  160. 		for (Widget widget : widgets) {
  161. 			answer(resolver.resolve(widget));
  162. 		}
  163. 		flush();
  164. 	}
  165.  
  166.  
  167. 	public final class Home
  168. 	{
  169. 		private final int H;
  170. 		private final int W;
  171. 		private int[][] display;
  172. 		private Home(int H, int W) {
  173. 			this.H = H;
  174. 			this.W = W;
  175. 			display = new int[H][W];
  176. 		}
  177.  
  178. 		private void setDisplay(int x, int y, int e) throws java.lang.Exception {
  179. 			if (x < 0 || x >= W) {
  180. 				throw new ArrayIndexOutOfBoundsException("x : " + x);
  181. 			}
  182. 			if (y < 0 || y >= H) {
  183. 				throw new ArrayIndexOutOfBoundsException("y : " + y);
  184. 			}
  185. 			if (e != 0 && e != 1) {
  186. 				throw new IllegalArgumentException("e");
  187. 			}
  188. 			display[y][x] = e;
  189. 		}
  190.  
  191. 		public int getH() {
  192. 			return H;
  193. 		}
  194.  
  195. 		public int getW() {
  196. 			return W;
  197. 		}
  198.  
  199. 		public boolean isSpace(int x, int y) {
  200. 			if (x < 0 || y < 0 || x >= W || y >= H) {
  201. 				return false;
  202. 			}
  203. 			return display[y][x] == 0;
  204. 		}
  205. 	}
  206.  
  207. 	public final class Widget
  208. 	{
  209. 		private final int s;
  210. 		private final int t;
  211. 		private Widget(int s, int t) {
  212. 			this.s = s;
  213. 			this.t = t;
  214. 		}
  215.  
  216. 		public int getS() {
  217. 			return s;
  218. 		}
  219.  
  220. 		public int getT() {
  221. 			return t;
  222. 		}
  223. 	}
  224.  
  225. 	private static Paiza paiza = null;
  226.  
  227. 	private Home home;
  228. 	private ArrayList<Widget> widgets;
  229.  
  230. 	private Paiza() throws java.lang.Exception {
  231. 		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
  232. 		String[] hw = in.readLine().split(" ");
  233. 		home = new Home(Integer.parseInt(hw[0]), Integer.parseInt(hw[1]));
  234. 		for (int y = 0; y < home.getH(); y++) {
  235. 			String line = in.readLine();
  236. 			for (int x = 0; x < home.getW(); x++) {
  237. 				home.setDisplay(x, y, (int)(line.charAt(x) - '0'));
  238. 			}
  239. 		}
  240. 		int N = Integer.parseInt(in.readLine());
  241. 		widgets = new ArrayList<Widget>(N);
  242. 		for (int i = 0; i< N; i++) {
  243. 			String[] st = in.readLine().split(" ");
  244. 			widgets.add(new Widget(Integer.parseInt(st[0]), Integer.parseInt(st[1])));
  245. 		}
  246. 	}
  247.  
  248. 	private StringBuilder output = null;
  249. 	private static final String NEWLINE = System.getProperty("line.separator");
  250.  
  251. 	private void init(Resolver resolver) {
  252. 		resolver.setHome(home);
  253. 		output = new StringBuilder(widgets.size() * 6);
  254. 	}
  255.  
  256. 	private void answer(int count) {
  257. 		output.append(count);
  258. 		output.append(NEWLINE);
  259. 	}
  260.  
  261. 	private void flush() {
  262. 		System.out.print(output);
  263. 	}
  264. }
  265.  
Success #stdin #stdout 0.08s 380224KB
comments (?)
stdin 
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stdout 
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https://ideone.com/WZAt9V
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
secret

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