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  1. /* paiza POH! vol.2
  2.  * result:
  3.  * http://p...content-available-to-author-only...a.jp/poh/paizen/result/0d23f2de709d29bc9c227e7fef8756c2
  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. 	int[][][][] table = null;
  21. 	int[][] cache = null;
  22.  
  23. 	@Override
  24. 	public void setHome(Paiza.Home home) {
  25. 		super.setHome(home);
  26.  
  27. 		table = new int[301][301][][];
  28. 		cache = new int[301][301];
  29.  
  30. 		int[][] temp = table[1][1] = new int[home.getH()][home.getW()];
  31. 		int count = 0;
  32.  
  33. 		for (int y = 0; y < home.getH(); y++) {
  34. 			for (int x = 0; x < home.getW(); x++) {
  35. 				if (home.isSpace(x, y)) {
  36. 					count++;
  37. 				} else {
  38. 					temp[y][x] = 1;
  39. 				}
  40. 			}
  41. 		}
  42.  
  43. 		cache[1][1] = count + 1;
  44. 	}
  45.  
  46. 	@Override
  47. 	public int resolve(Paiza.Widget widget) {
  48. 		if (widget.getS() > home.getH() || widget.getT() > home.getW()) {
  49. 			return 0;
  50. 		}
  51. 		if (cache[widget.getS()][widget.getT()] > 0) {
  52. 			return cache[widget.getS()][widget.getT()] - 1;
  53. 		}
  54. 		return tatami(widget);
  55. 	}
  56.  
  57. 	private int tatami(Paiza.Widget widget) {
  58. 		int e = Math.max(widget.getS(), widget.getT());
  59. 		int tx = 1, ty = 1, x, y;
  60. 		int[][] temp1, temp2;
  61.  
  62. 		for (int i = 1; i <= e; i++) {
  63. 			tx = 0;
  64. 			ty = 0;
  65.  
  66. 			x = widget.getT() - e + 1;
  67. 			if (x > 0) {
  68. 				for (y = widget.getS(); y > widget.getS() - e && y > 0; y--) {
  69. 					if (table[y][x] != null) {
  70. 						tx = x;
  71. 						ty = y;
  72. 						break;
  73. 					}
  74. 				}
  75. 			}
  76.  
  77. 			y = widget.getS() - e + 1;
  78. 			if (y > 0) {
  79. 				for (x = widget.getT(); x > widget.getT() - e && x > 0; x--) {
  80. 					if (table[y][x] != null) {
  81. 						if (x + y > tx + ty) {
  82. 							tx = x;
  83. 							ty = y;
  84. 						}
  85. 						break;
  86. 					}
  87. 				}
  88. 			}
  89.  
  90. 			if (tx != 0) {
  91. 				break;
  92. 			}
  93. 		}
  94.  
  95. 		if (ty != widget.getS() || tx != widget.getT()) {
  96. 			temp1 = table[ty][tx];
  97. 			for (y = ty + 1; y <= widget.getS(); y++) {
  98. 				if (table[y][tx] == null) {
  99. 					table[y][tx] = new int[temp1.length - 1][temp1[0].length];
  100. 				}
  101. 				temp2 = table[y][tx];
  102. 				for (int i = 0; i < temp2.length; i++) {
  103. 					for (int j = 0; j < temp2[0].length; j++) {
  104. 						temp2[i][j] = temp1[i][j] + temp1[i + 1][j];
  105. 					}
  106. 				}
  107. 				temp1 = temp2;
  108. 			}
  109. 			ty = widget.getS();
  110.  
  111. 			temp1 = table[ty][tx];
  112. 			for (x = tx + 1; x <= widget.getT(); x++) {
  113. 				if (table[ty][x] == null) {
  114. 					table[ty][x] = new int[temp1.length][temp1[0].length - 1];
  115. 				}
  116. 				temp2 = table[ty][x];
  117. 				for (int i = 0; i < temp2.length; i++) {
  118. 					for (int j = 0; j < temp2[0].length; j++) {
  119. 						temp2[i][j] = temp1[i][j] + temp1[i][j + 1];
  120. 					}
  121. 				}
  122. 				temp1 = temp2;
  123. 			}
  124.  
  125. 			tx = widget.getT();
  126. 		}
  127.  
  128. 		temp1 = table[ty][tx];
  129. 		int count = 0;
  130. 		for (int i = 0; i < temp1.length; i++) {
  131. 			for (int j = 0; j < temp1[0].length; j++) {
  132. 				if (temp1[i][j] == 0) {
  133. 					count++;
  134. 				}
  135. 			}
  136. 		}
  137. 		cache[ty][tx] = count + 1;
  138. 		return count;
  139. 	}
  140.  
  141. }
  142.  
  143. final class Paiza
  144. {
  145. 	public static abstract class Resolver
  146. 	{
  147. 		protected Paiza.Home home;
  148.  
  149. 		public void setHome(Paiza.Home home) {
  150. 			this.home = home;
  151. 		}
  152.  
  153. 		public abstract int resolve(Paiza.Widget widget);
  154. 	}
  155.  
  156. 	public static Paiza getInstance() throws java.lang.Exception {
  157. 		if (paiza == null) {
  158. 			paiza = new Paiza();
  159. 		}
  160. 		return paiza;
  161. 	}	
  162.  
  163. 	public void resolve(Resolver resolver) {
  164. 		init(resolver);
  165. 		for (Widget widget : widgets) {
  166. 			answer(resolver.resolve(widget));
  167. 		}
  168. 		flush();
  169. 	}
  170.  
  171.  
  172. 	public final class Home
  173. 	{
  174. 		private final int H;
  175. 		private final int W;
  176. 		private int[][] display;
  177. 		private Home(int H, int W) {
  178. 			this.H = H;
  179. 			this.W = W;
  180. 			display = new int[H][W];
  181. 		}
  182.  
  183. 		private void setDisplay(int x, int y, int e) {
  184. 			display[y][x] = e;
  185. 		}
  186.  
  187. 		public int getH() {
  188. 			return H;
  189. 		}
  190.  
  191. 		public int getW() {
  192. 			return W;
  193. 		}
  194.  
  195. 		public boolean isSpace(int x, int y) {
  196. 			return display[y][x] == 0;
  197. 		}
  198. 	}
  199.  
  200. 	public final class Widget
  201. 	{
  202. 		private final int s;
  203. 		private final int t;
  204. 		private Widget(int s, int t) {
  205. 			this.s = s;
  206. 			this.t = t;
  207. 		}
  208.  
  209. 		public int getS() {
  210. 			return s;
  211. 		}
  212.  
  213. 		public int getT() {
  214. 			return t;
  215. 		}
  216. 	}
  217.  
  218. 	private static Paiza paiza = null;
  219.  
  220. 	private Home home;
  221. 	private ArrayList<Widget> widgets;
  222.  
  223. 	private Paiza() throws java.lang.Exception {
  224. 		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
  225. 		String[] hw = in.readLine().split(" ");
  226. 		home = new Home(Integer.parseInt(hw[0]), Integer.parseInt(hw[1]));
  227. 		for (int y = 0; y < home.getH(); y++) {
  228. 			String line = in.readLine();
  229. 			for (int x = 0; x < home.getW(); x++) {
  230. 				home.setDisplay(x, y, (int)(line.charAt(x) - '0'));
  231. 			}
  232. 		}
  233. 		int N = Integer.parseInt(in.readLine());
  234. 		widgets = new ArrayList<Widget>(N);
  235. 		for (int i = 0; i< N; i++) {
  236. 			String[] st = in.readLine().split(" ");
  237. 			widgets.add(new Widget(Integer.parseInt(st[0]), Integer.parseInt(st[1])));
  238. 		}
  239. 	}
  240.  
  241. 	private StringBuilder output = null;
  242. 	private static final String NEWLINE = System.getProperty("line.separator");
  243.  
  244. 	private void init(Resolver resolver) {
  245. 		resolver.setHome(home);
  246. 		output = new StringBuilder(widgets.size() * 6);
  247. 	}
  248.  
  249. 	private void answer(int count) {
  250. 		output.append(count);
  251. 		output.append(NEWLINE);
  252. 	}
  253.  
  254. 	private void flush() {
  255. 		System.out.print(output);
  256. 	}
  257. }
  258.  
Success #stdin #stdout 0.08s 380224KB
comments (?)
stdin 
5 5
00000
00100
00010
10001
10000
5
2 2
1 1
3 2
3 1
1 3
stdout 
6
20
2
6
7
https://ideone.com/McsKCd
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
secret

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