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  1. /* paiza POH! vol.2
  2.  * result:
  3.  * http://p...content-available-to-author-only...a.jp/poh/paizen/result/63bec40534fd2f6669fc2882a551b9d1
  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.  
  23. 	@Override
  24. 	public void setHome(Paiza.Home home) {
  25. 		super.setHome(home);
  26.  
  27. 		space2right = new int[home.getH()][home.getW()];
  28.  
  29. 		for (int y = 0; y < home.getH(); y++) {
  30. 			int count = 0;
  31. 			for (int x = home.getW() - 1; x >= 0; x--) {
  32. 				if (home.isSpace(x, y)) {
  33. 					count++;
  34. 				} else {
  35. 					count = 0;
  36. 				}
  37. 				space2right[y][x] = count;
  38. 			}
  39. 		}
  40.  
  41. 		space2bottom = new int[home.getH()][home.getW()];
  42.  
  43. 		for (int x = 0; x < home.getW(); x++) {
  44. 			int count = 0;
  45. 			for (int y = home.getH() - 1; y >= 0; y--) {
  46. 				if (home.isSpace(x, y)) {
  47. 					count++;
  48. 				} else {
  49. 					count = 0;
  50. 				}
  51. 				space2bottom[y][x] = count;
  52. 			}
  53. 		}
  54. 	}
  55.  
  56. 	@Override
  57. 	public int resolve(Paiza.Widget widget) {
  58. 		int count = 0;
  59. 		for (int y = 0; y <= home.getH() - widget.getS(); y++) {
  60. 			for (int x = 0; x <= home.getW() - widget.getT(); x++) {
  61. 				if (space2bottom[y][x] >= widget.getS()) {
  62. 					boolean placeable = true;
  63. 					for (int dy = 0; placeable && dy < widget.getS(); dy++) {
  64. 						if (space2right[y + dy][x] < widget.getT()) {
  65. 							placeable = false;
  66. 							x += space2right[y + dy][x];
  67. 						}
  68. 					}
  69. 					if (placeable) {
  70. 						count++;
  71. 					}
  72. 				} else if (space2right[y][x] < widget.getT()) {
  73. 					x += space2right[y][x];
  74. 				}
  75. 			}
  76. 		}
  77. 		return count;
  78. 	}
  79. }
  80.  
  81.  
  82. abstract class Resolver
  83. {
  84. 	protected Paiza.Home home;
  85.  
  86. 	public void setHome(Paiza.Home home) {
  87. 		this.home = home;
  88. 	}
  89.  
  90. 	public abstract int resolve(Paiza.Widget widget);
  91. }
  92.  
  93. final class Paiza
  94. {
  95. 	public static abstract class Resolver
  96. 	{
  97. 		protected Paiza.Home home;
  98.  
  99. 		public void setHome(Paiza.Home home) {
  100. 			this.home = home;
  101. 		}
  102.  
  103. 		public abstract int resolve(Paiza.Widget widget);
  104. 	}
  105.  
  106. 	public static Paiza getInstance() throws java.lang.Exception {
  107. 		if (paiza == null) {
  108. 			paiza = new Paiza();
  109. 		}
  110. 		return paiza;
  111. 	}	
  112.  
  113. 	public void resolve(Resolver resolver) {
  114. 		init(resolver);
  115. 		for (Widget widget : widgets) {
  116. 			answer(resolver.resolve(widget));
  117. 		}
  118. 		flush();
  119. 	}
  120.  
  121.  
  122. 	public final class Home
  123. 	{
  124. 		private final int H;
  125. 		private final int W;
  126. 		private int[][] display;
  127. 		private Home(int H, int W) {
  128. 			this.H = H;
  129. 			this.W = W;
  130. 			display = new int[H][W];
  131. 		}
  132.  
  133. 		private void setDisplay(int x, int y, int e) throws java.lang.Exception {
  134. 			if (x < 0 || x >= W) {
  135. 				throw new ArrayIndexOutOfBoundsException("x : " + x);
  136. 			}
  137. 			if (y < 0 || y >= H) {
  138. 				throw new ArrayIndexOutOfBoundsException("y : " + y);
  139. 			}
  140. 			if (e != 0 && e != 1) {
  141. 				throw new IllegalArgumentException("e");
  142. 			}
  143. 			display[y][x] = e;
  144. 		}
  145.  
  146. 		public int getH() {
  147. 			return H;
  148. 		}
  149.  
  150. 		public int getW() {
  151. 			return W;
  152. 		}
  153.  
  154. 		public boolean isSpace(int x, int y) {
  155. 			if (x < 0 || y < 0 || x >= W || y >= H) {
  156. 				return false;
  157. 			}
  158. 			return display[y][x] == 0;
  159. 		}
  160. 	}
  161.  
  162. 	public final class Widget
  163. 	{
  164. 		private final int s;
  165. 		private final int t;
  166. 		private Widget(int s, int t) {
  167. 			this.s = s;
  168. 			this.t = t;
  169. 		}
  170.  
  171. 		public int getS() {
  172. 			return s;
  173. 		}
  174.  
  175. 		public int getT() {
  176. 			return t;
  177. 		}
  178. 	}
  179.  
  180. 	private static Paiza paiza = null;
  181.  
  182. 	private Home home;
  183. 	private ArrayList<Widget> widgets;
  184.  
  185. 	private Paiza() throws java.lang.Exception {
  186. 		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
  187. 		String[] hw = in.readLine().split(" ");
  188. 		home = new Home(Integer.parseInt(hw[0]), Integer.parseInt(hw[1]));
  189. 		for (int y = 0; y < home.getH(); y++) {
  190. 			String line = in.readLine();
  191. 			for (int x = 0; x < home.getW(); x++) {
  192. 				home.setDisplay(x, y, (int)(line.charAt(x) - '0'));
  193. 			}
  194. 		}
  195. 		int N = Integer.parseInt(in.readLine());
  196. 		widgets = new ArrayList<Widget>(N);
  197. 		for (int i = 0; i< N; i++) {
  198. 			String[] st = in.readLine().split(" ");
  199. 			widgets.add(new Widget(Integer.parseInt(st[0]), Integer.parseInt(st[1])));
  200. 		}
  201. 	}
  202.  
  203. 	private StringBuilder output = null;
  204. 	private static final String NEWLINE = System.getProperty("line.separator");
  205.  
  206. 	private void init(Resolver resolver) {
  207. 		resolver.setHome(home);
  208. 		output = new StringBuilder(widgets.size() * 6);
  209. 	}
  210.  
  211. 	private void answer(int count) {
  212. 		output.append(count);
  213. 		output.append(NEWLINE);
  214. 	}
  215.  
  216. 	private void flush() {
  217. 		System.out.print(output);
  218. 	}
  219. }
  220.  
Success #stdin #stdout 0.08s 380224KB
comments (?)
stdin 
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stdout 
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https://ideone.com/pa4CXd
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
secret

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