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  1. /* paiza POH! vol.2
  2.  * result:
  3.  * http://p...content-available-to-author-only...a.jp/poh/paizen/result/9bd5f988002fa12bfa96f6ae3c6ded83
  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. 	private int[] space2rightLen = null;
  26. 	private int[] space2bottomLen = null;
  27. 	private int maxSpace2rightLen = 0;
  28. 	private int maxSpace2bottomLen = 0;
  29.  
  30. 	@Override
  31. 	public void setHome(Paiza.Home home) {
  32. 		super.setHome(home);
  33.  
  34. 		int allSpaceCount = 0;
  35.  
  36. 		space2right = new int[home.getH()][home.getW()];
  37. 		maxSpace2right = new int[home.getH()];
  38. 		space2rightLen = new int[301];
  39. 		maxSpace2rightLen = 0;
  40.  
  41. 		for (int y = 0; y < home.getH(); y++) {
  42. 			int count = 0, max = 0;
  43. 			for (int x = home.getW() - 1; x >= 0; x--) {
  44. 				if (home.isSpace(x, y)) {
  45. 					count++;
  46. 					allSpaceCount++;
  47. 				} else {
  48. 					if (count > 1) {
  49. 						space2rightLen[count]++;
  50. 						if (count > max) {
  51. 							max = count;
  52. 						}
  53. 					}
  54. 					count = 0;
  55. 				}
  56. 				space2right[y][x] = count;
  57. 			}
  58. 			if (count > 1) {
  59. 				space2rightLen[count]++;
  60. 				if (count > max) {
  61. 					max = count;
  62. 				}
  63. 			}
  64. 			maxSpace2right[y] = max;
  65. 			if (max > maxSpace2rightLen) {
  66. 				maxSpace2rightLen = max;
  67. 			}
  68. 		}
  69.  
  70. 		space2bottom = new int[home.getH()][home.getW()];
  71. 		maxSpace2bottom = new int[home.getW()];
  72. 		space2bottomLen = new int[301];
  73. 		maxSpace2bottomLen = 0;
  74.  
  75. 		for (int x = 0; x < home.getW(); x++) {
  76. 			int count = 0, max = 0;
  77. 			for (int y = home.getH() - 1; y >= 0; y--) {
  78. 				if (home.isSpace(x, y)) {
  79. 					count++;
  80. 				} else {
  81. 					if (count > 1) {
  82. 						space2bottomLen[count]++;
  83. 						if (count > max) {
  84. 							max = count;
  85. 						}
  86. 					}
  87. 					count = 0;
  88. 				}
  89. 				space2bottom[y][x] = count;
  90. 			}
  91. 			if (count > 1) {
  92. 				space2bottomLen[count]++;
  93. 				if (count > max) {
  94. 					max = count;
  95. 				}
  96. 			}
  97. 			maxSpace2bottom[x] = max;
  98. 			if (max > maxSpace2bottomLen) {
  99. 				maxSpace2bottomLen = max;
  100. 			}
  101. 		}
  102.  
  103. 		result = new int[301][301];
  104. 		result[1][1] = allSpaceCount + 1;
  105.  
  106. 	}
  107.  
  108. 	@Override
  109. 	public int resolve(Paiza.Widget widget) {
  110. 		if (result[widget.getS()][widget.getT()] > 0) {
  111. 			return result[widget.getS()][widget.getT()] - 1;
  112. 		}
  113. 		int count;
  114. 		if (widget.getS() > widget.getT()) {
  115. 			if (widget.getT() > 1) {
  116. 				count = resolve2bottom(widget);
  117. 			} else {
  118. 				count = resolveVBar(widget);
  119. 			}
  120. 		} else {
  121. 			if (widget.getS() > 1) {
  122. 				count = resolve2right(widget);
  123. 			} else {
  124. 				count = resolveHBar(widget);
  125. 			}
  126. 		}
  127. 		result[widget.getS()][widget.getT()] = count + 1;
  128. 		return count;
  129. 	}
  130.  
  131. 	private int resolveHBar(Paiza.Widget widget) {
  132. 		int count = 0;
  133. 		for (int i = widget.getT(); i <= maxSpace2rightLen; i++) {
  134. 			count += space2rightLen[i] * (i - widget.getT() + 1);
  135. 		}
  136. 		return count;
  137. 	}
  138.  
  139. 	private int resolveVBar(Paiza.Widget widget) {
  140. 		int count = 0;
  141. 		for (int i = widget.getS(); i <= maxSpace2bottomLen; i++) {
  142. 			count += space2bottomLen[i] * (i - widget.getS() + 1);
  143. 		}
  144. 		return count;
  145. 	}
  146.  
  147. 	private int resolve2right(Paiza.Widget widget) {
  148. 		int count = 0;
  149. 		for (int y = 0, ey = 0; y <= home.getH() - widget.getS(); y++) {
  150. 			for (int yy = y + widget.getS() - 1; yy > ey; yy--) {
  151. 				if (maxSpace2right[yy] < widget.getT()) {
  152. 					y = yy;
  153. 					ey = yy + 1;
  154. 					break;
  155. 				}
  156. 			}
  157. 			if (maxSpace2right[y] < widget.getT()) {
  158. 				continue;
  159. 			}
  160. 			ey = y + widget.getS() - 1;
  161. 			for (int x = 0; x <= home.getW() - widget.getT(); x++) {
  162. 				if (space2bottom[y][x] >= widget.getS()) {
  163. 					boolean placeable = true;
  164. 					for (int dy = 0; placeable && dy < widget.getS(); dy++) {
  165. 						if (space2right[y + dy][x] < widget.getT()) {
  166. 							placeable = false;
  167. 							x += space2right[y + dy][x];
  168. 						}
  169. 					}
  170. 					if (placeable) {
  171. 						count++;
  172. 					}
  173. 				} else if (space2right[y][x] < widget.getT()) {
  174. 					x += space2right[y][x];
  175. 				}
  176. 			}
  177. 		}
  178. 		return count;
  179. 	}
  180.  
  181. 	private int resolve2bottom(Paiza.Widget widget) {
  182. 		int count = 0;
  183. 		for (int x = 0, ex = 0; x <= home.getW() - widget.getT(); x++) {
  184. 			for (int xx = x + widget.getT() - 1; xx > ex; xx--) {
  185. 				if (maxSpace2bottom[xx] < widget.getS()) {
  186. 					x = xx;
  187. 					ex = xx + 1;
  188. 					break;
  189. 				}
  190. 			}
  191. 			if (maxSpace2bottom[x] < widget.getS()) {
  192. 				continue;
  193. 			}
  194. 			ex = x + widget.getT() - 1;
  195. 			for (int y = 0; y <= home.getH() - widget.getS(); y++) {
  196. 				if (space2right[y][x] >= widget.getT()) {
  197. 					boolean placeable = true;
  198. 					for (int dx = 0; placeable && dx < widget.getT(); dx++) {
  199. 						if (space2bottom[y][x + dx] < widget.getS()) {
  200. 							placeable = false;
  201. 							y += space2bottom[y][x + dx];
  202. 						}
  203. 					}
  204. 					if (placeable) {
  205. 						count++;
  206. 					}
  207. 				} else if (space2bottom[y][x] < widget.getS()) {
  208. 					y += space2bottom[y][x];
  209. 				}
  210. 			}
  211. 		}
  212. 		return count;
  213. 	}
  214.  
  215. }
  216.  
  217. final class Paiza
  218. {
  219. 	public static abstract class Resolver
  220. 	{
  221. 		protected Paiza.Home home;
  222.  
  223. 		public void setHome(Paiza.Home home) {
  224. 			this.home = home;
  225. 		}
  226.  
  227. 		public abstract int resolve(Paiza.Widget widget);
  228. 	}
  229.  
  230. 	public static Paiza getInstance() throws java.lang.Exception {
  231. 		if (paiza == null) {
  232. 			paiza = new Paiza();
  233. 		}
  234. 		return paiza;
  235. 	}	
  236.  
  237. 	public void resolve(Resolver resolver) {
  238. 		init(resolver);
  239. 		for (Widget widget : widgets) {
  240. 			answer(resolver.resolve(widget));
  241. 		}
  242. 		flush();
  243. 	}
  244.  
  245.  
  246. 	public final class Home
  247. 	{
  248. 		private final int H;
  249. 		private final int W;
  250. 		private int[][] display;
  251. 		private Home(int H, int W) {
  252. 			this.H = H;
  253. 			this.W = W;
  254. 			display = new int[H][W];
  255. 		}
  256.  
  257. 		private void setDisplay(int x, int y, int e) {
  258. 			display[y][x] = e;
  259. 		}
  260.  
  261. 		public int getH() {
  262. 			return H;
  263. 		}
  264.  
  265. 		public int getW() {
  266. 			return W;
  267. 		}
  268.  
  269. 		public boolean isSpace(int x, int y) {
  270. 			return display[y][x] == 0;
  271. 		}
  272. 	}
  273.  
  274. 	public final class Widget
  275. 	{
  276. 		private final int s;
  277. 		private final int t;
  278. 		private Widget(int s, int t) {
  279. 			this.s = s;
  280. 			this.t = t;
  281. 		}
  282.  
  283. 		public int getS() {
  284. 			return s;
  285. 		}
  286.  
  287. 		public int getT() {
  288. 			return t;
  289. 		}
  290. 	}
  291.  
  292. 	private static Paiza paiza = null;
  293.  
  294. 	private Home home;
  295. 	private ArrayList<Widget> widgets;
  296.  
  297. 	private Paiza() throws java.lang.Exception {
  298. 		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
  299. 		String[] hw = in.readLine().split(" ");
  300. 		home = new Home(Integer.parseInt(hw[0]), Integer.parseInt(hw[1]));
  301. 		for (int y = 0; y < home.getH(); y++) {
  302. 			String line = in.readLine();
  303. 			for (int x = 0; x < home.getW(); x++) {
  304. 				home.setDisplay(x, y, (int)(line.charAt(x) - '0'));
  305. 			}
  306. 		}
  307. 		int N = Integer.parseInt(in.readLine());
  308. 		widgets = new ArrayList<Widget>(N);
  309. 		for (int i = 0; i< N; i++) {
  310. 			String[] st = in.readLine().split(" ");
  311. 			widgets.add(new Widget(Integer.parseInt(st[0]), Integer.parseInt(st[1])));
  312. 		}
  313. 	}
  314.  
  315. 	private StringBuilder output = null;
  316. 	private static final String NEWLINE = System.getProperty("line.separator");
  317.  
  318. 	private void init(Resolver resolver) {
  319. 		resolver.setHome(home);
  320. 		output = new StringBuilder(widgets.size() * 6);
  321. 	}
  322.  
  323. 	private void answer(int count) {
  324. 		output.append(count);
  325. 		output.append(NEWLINE);
  326. 	}
  327.  
  328. 	private void flush() {
  329. 		System.out.print(output);
  330. 	}
  331. }
  332.  
Success #stdin #stdout 0.08s 380160KB
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stdout 
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https://ideone.com/3rinLn
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
secret

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