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  1. /* paiza POH! vol.2
  2.  * result:
  3.  * http://p...content-available-to-author-only...a.jp/poh/paizen/result/5a63d7de4494aca92718607c33fa853d
  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. 	private int[] maxSpace2right = null;
  24. 	private int[] maxSpace2bottom = null;
  25.  
  26. 	@Override
  27. 	public void setHome(Paiza.Home home) {
  28. 		super.setHome(home);
  29.  
  30. 		space2right = new int[home.getH()][home.getW()];
  31. 		maxSpace2right = new int[home.getH()];
  32. 		int allSpaceCount = 0;
  33.  
  34. 		for (int y = 0; y < home.getH(); y++) {
  35. 			int count = 0, max = 0;
  36. 			for (int x = home.getW() - 1; x >= 0; x--) {
  37. 				if (home.isSpace(x, y)) {
  38. 					count++;
  39. 					allSpaceCount++;
  40. 					if (count > max) {
  41. 						max = count;
  42. 					}
  43. 				} else {
  44. 					count = 0;
  45. 				}
  46. 				space2right[y][x] = count;
  47. 			}
  48. 			maxSpace2right[y] = max;
  49. 		}
  50.  
  51. 		space2bottom = new int[home.getH()][home.getW()];
  52. 		maxSpace2bottom = new int[home.getW()];
  53.  
  54. 		for (int x = 0; x < home.getW(); x++) {
  55. 			int count = 0, max = 0;
  56. 			for (int y = home.getH() - 1; y >= 0; y--) {
  57. 				if (home.isSpace(x, y)) {
  58. 					count++;
  59. 					if (count > max) {
  60. 						max = count;
  61. 					}
  62. 				} else {
  63. 					count = 0;
  64. 				}
  65. 				space2bottom[y][x] = count;
  66. 			}
  67. 			maxSpace2bottom[x] = max;
  68. 		}
  69.  
  70. 		result = new int[301][301];
  71. 		result[1][1] = allSpaceCount + 1;
  72.  
  73. 	}
  74.  
  75. 	@Override
  76. 	public int resolve(Paiza.Widget widget) {
  77. 		if (result[widget.getS()][widget.getT()] > 0) {
  78. 			return result[widget.getS()][widget.getT()] - 1;
  79. 		}
  80. 		int count;
  81. 		if (widget.getS() > widget.getT()) {
  82. 			count = resolve2bottom(widget);
  83. 		} else {
  84. 			count = resolve2right(widget);
  85. 		}
  86. 		result[widget.getS()][widget.getT()] = count + 1;
  87. 		return count;
  88. 	}
  89.  
  90. 	private int resolve2right(Paiza.Widget widget) {
  91. 		int count = 0;
  92. 		for (int y = 0; y <= home.getH() - widget.getS(); y++) {
  93. 			for (int yy = y + widget.getS() - 1; yy > y; yy--) {
  94. 				if (maxSpace2right[yy] < widget.getT()) {
  95. 					y = yy;
  96. 					break;
  97. 				}
  98. 			}
  99. 			if (maxSpace2right[y] < widget.getT()) {
  100. 				continue;
  101. 			}
  102. 			for (int x = 0; x <= home.getW() - widget.getT(); x++) {
  103. 				if (space2bottom[y][x] >= widget.getS()) {
  104. 					boolean placeable = true;
  105. 					for (int dy = 0; placeable && dy < widget.getS(); dy++) {
  106. 						if (space2right[y + dy][x] < widget.getT()) {
  107. 							placeable = false;
  108. 							x += space2right[y + dy][x];
  109. 						}
  110. 					}
  111. 					if (placeable) {
  112. 						count++;
  113. 					}
  114. 				} else if (space2right[y][x] < widget.getT()) {
  115. 					x += space2right[y][x];
  116. 				}
  117. 			}
  118. 		}
  119. 		return count;
  120. 	}
  121.  
  122. 	private int resolve2bottom(Paiza.Widget widget) {
  123. 		int count = 0;
  124. 		for (int x = 0; x <= home.getW() - widget.getT(); x++) {
  125. 			for (int xx = x + widget.getT() - 1; xx > x; xx--) {
  126. 				if (maxSpace2bottom[x] < widget.getS()) {
  127. 					x = xx;
  128. 					break;
  129. 				}
  130. 			}
  131. 			if (maxSpace2bottom[x] < widget.getS()) {
  132. 				continue;
  133. 			}
  134. 			for (int y = 0; y <= home.getH() - widget.getS(); y++) {
  135. 				if (space2right[y][x] >= widget.getT()) {
  136. 					boolean placeable = true;
  137. 					for (int dx = 0; placeable && dx < widget.getT(); dx++) {
  138. 						if (space2bottom[y][x + dx] < widget.getS()) {
  139. 							placeable = false;
  140. 							y += space2bottom[y][x + dx];
  141. 						}
  142. 					}
  143. 					if (placeable) {
  144. 						count++;
  145. 					}
  146. 				} else if (space2bottom[y][x] < widget.getS()) {
  147. 					y += space2bottom[y][x];
  148. 				}
  149. 			}
  150. 		}
  151. 		return count;
  152. 	}
  153.  
  154. }
  155.  
  156.  
  157. abstract class Resolver
  158. {
  159. 	protected Paiza.Home home;
  160.  
  161. 	public void setHome(Paiza.Home home) {
  162. 		this.home = home;
  163. 	}
  164.  
  165. 	public abstract int resolve(Paiza.Widget widget);
  166. }
  167.  
  168. final class Paiza
  169. {
  170. 	public static abstract class Resolver
  171. 	{
  172. 		protected Paiza.Home home;
  173.  
  174. 		public void setHome(Paiza.Home home) {
  175. 			this.home = home;
  176. 		}
  177.  
  178. 		public abstract int resolve(Paiza.Widget widget);
  179. 	}
  180.  
  181. 	public static Paiza getInstance() throws java.lang.Exception {
  182. 		if (paiza == null) {
  183. 			paiza = new Paiza();
  184. 		}
  185. 		return paiza;
  186. 	}	
  187.  
  188. 	public void resolve(Resolver resolver) {
  189. 		init(resolver);
  190. 		for (Widget widget : widgets) {
  191. 			answer(resolver.resolve(widget));
  192. 		}
  193. 		flush();
  194. 	}
  195.  
  196.  
  197. 	public final class Home
  198. 	{
  199. 		private final int H;
  200. 		private final int W;
  201. 		private int[][] display;
  202. 		private Home(int H, int W) {
  203. 			this.H = H;
  204. 			this.W = W;
  205. 			display = new int[H][W];
  206. 		}
  207.  
  208. 		private void setDisplay(int x, int y, int e) throws java.lang.Exception {
  209. 			if (x < 0 || x >= W) {
  210. 				throw new ArrayIndexOutOfBoundsException("x : " + x);
  211. 			}
  212. 			if (y < 0 || y >= H) {
  213. 				throw new ArrayIndexOutOfBoundsException("y : " + y);
  214. 			}
  215. 			if (e != 0 && e != 1) {
  216. 				throw new IllegalArgumentException("e");
  217. 			}
  218. 			display[y][x] = e;
  219. 		}
  220.  
  221. 		public int getH() {
  222. 			return H;
  223. 		}
  224.  
  225. 		public int getW() {
  226. 			return W;
  227. 		}
  228.  
  229. 		public boolean isSpace(int x, int y) {
  230. 			if (x < 0 || y < 0 || x >= W || y >= H) {
  231. 				return false;
  232. 			}
  233. 			return display[y][x] == 0;
  234. 		}
  235. 	}
  236.  
  237. 	public final class Widget
  238. 	{
  239. 		private final int s;
  240. 		private final int t;
  241. 		private Widget(int s, int t) {
  242. 			this.s = s;
  243. 			this.t = t;
  244. 		}
  245.  
  246. 		public int getS() {
  247. 			return s;
  248. 		}
  249.  
  250. 		public int getT() {
  251. 			return t;
  252. 		}
  253. 	}
  254.  
  255. 	private static Paiza paiza = null;
  256.  
  257. 	private Home home;
  258. 	private ArrayList<Widget> widgets;
  259.  
  260. 	private Paiza() throws java.lang.Exception {
  261. 		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
  262. 		String[] hw = in.readLine().split(" ");
  263. 		home = new Home(Integer.parseInt(hw[0]), Integer.parseInt(hw[1]));
  264. 		for (int y = 0; y < home.getH(); y++) {
  265. 			String line = in.readLine();
  266. 			for (int x = 0; x < home.getW(); x++) {
  267. 				home.setDisplay(x, y, (int)(line.charAt(x) - '0'));
  268. 			}
  269. 		}
  270. 		int N = Integer.parseInt(in.readLine());
  271. 		widgets = new ArrayList<Widget>(N);
  272. 		for (int i = 0; i< N; i++) {
  273. 			String[] st = in.readLine().split(" ");
  274. 			widgets.add(new Widget(Integer.parseInt(st[0]), Integer.parseInt(st[1])));
  275. 		}
  276. 	}
  277.  
  278. 	private StringBuilder output = null;
  279. 	private static final String NEWLINE = System.getProperty("line.separator");
  280.  
  281. 	private void init(Resolver resolver) {
  282. 		resolver.setHome(home);
  283. 		output = new StringBuilder(widgets.size() * 6);
  284. 	}
  285.  
  286. 	private void answer(int count) {
  287. 		output.append(count);
  288. 		output.append(NEWLINE);
  289. 	}
  290.  
  291. 	private void flush() {
  292. 		System.out.print(output);
  293. 	}
  294. }
  295.  
Success #stdin #stdout 0.07s 380224KB
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stdout 
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https://ideone.com/VH4UHb
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
secret

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