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  1. /* paiza POH! vol.2
  2.  * result:
  3.  * http://p...content-available-to-author-only...a.jp/poh/paizen/result/f6f0fe8ff017d992643851b61e32cb4c
  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.  
  21. 	int[][] table = null;
  22. 	int[][] cache = null;
  23.  
  24. 	@Override
  25. 	public void setHome(Paiza.Home home) {
  26. 		super.setHome(home);
  27.  
  28. 		table = new int[home.getH() + 1][home.getW() + 1];
  29. 		cache = new int[home.getH() + 1][home.getW() + 1];
  30.  
  31. 		int[] space2top = new int[home.getW()];
  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. 					space2top[x]++;
  37. 					int s = space2top[x];
  38. 					int t = 1;
  39. 					for (int i = x; i >= 0 && space2top[i] > 0; i--) {
  40. 						if (space2top[i] < s) {
  41. 							s = space2top[i];
  42. 						}
  43. 						table[s][t]++;
  44. 						t++;
  45. 					}
  46. 				} else {
  47. 					space2top[x] = 0;
  48. 				}
  49. 			}
  50. 		}
  51.  
  52. 	} // setHome()
  53.  
  54. 	@Override
  55. 	public int resolve(Paiza.Widget widget) {
  56. 		int s = widget.getS();
  57. 		int t = widget.getT();
  58. 		if (s > home.getH() || t > home.getW()) {
  59. 			return 0;
  60. 		}
  61. 		if (cache[s][t] > 0) {
  62. 			return cache[s][t] - 1;
  63. 		}
  64. 		int count = 0;
  65. 		for (int i = s; i <= home.getH(); i++) {
  66. 			count += table[i][t];
  67. 		}
  68. 		cache[s][t] = count + 1;
  69. 		return count;
  70. 	} // resolve()
  71.  
  72. }
  73.  
  74. final class Paiza
  75. {
  76. 	public static abstract class Resolver
  77. 	{
  78. 		protected Paiza.Home home;
  79.  
  80. 		public void setHome(Paiza.Home home) {
  81. 			this.home = home;
  82. 		}
  83.  
  84. 		public abstract int resolve(Paiza.Widget widget);
  85. 	}
  86.  
  87. 	public static Paiza getInstance() throws java.lang.Exception {
  88. 		if (paiza == null) {
  89. 			paiza = new Paiza();
  90. 		}
  91. 		return paiza;
  92. 	}	
  93.  
  94. 	public void resolve(Resolver resolver) {
  95. 		init(resolver);
  96. 		for (Widget widget : widgets) {
  97. 			answer(resolver.resolve(widget));
  98. 		}
  99. 		flush();
  100. 	}
  101.  
  102.  
  103. 	public final class Home
  104. 	{
  105. 		private final int H;
  106. 		private final int W;
  107. 		private int[][] display;
  108. 		private Home(int H, int W) {
  109. 			this.H = H;
  110. 			this.W = W;
  111. 			display = new int[H][W];
  112. 		}
  113.  
  114. 		private void setDisplay(int x, int y, int e) throws java.lang.Exception {
  115. 			if (x < 0 || x >= W) {
  116. 				throw new ArrayIndexOutOfBoundsException("x : " + x);
  117. 			}
  118. 			if (y < 0 || y >= H) {
  119. 				throw new ArrayIndexOutOfBoundsException("y : " + y);
  120. 			}
  121. 			if (e != 0 && e != 1) {
  122. 				throw new IllegalArgumentException("e");
  123. 			}
  124. 			display[y][x] = e;
  125. 		}
  126.  
  127. 		public int getH() {
  128. 			return H;
  129. 		}
  130.  
  131. 		public int getW() {
  132. 			return W;
  133. 		}
  134.  
  135. 		public boolean isSpace(int x, int y) {
  136. 			if (x < 0 || y < 0 || x >= W || y >= H) {
  137. 				return false;
  138. 			}
  139. 			return display[y][x] == 0;
  140. 		}
  141. 	}
  142.  
  143. 	public final class Widget
  144. 	{
  145. 		private final int s;
  146. 		private final int t;
  147. 		private Widget(int s, int t) {
  148. 			this.s = s;
  149. 			this.t = t;
  150. 		}
  151.  
  152. 		public int getS() {
  153. 			return s;
  154. 		}
  155.  
  156. 		public int getT() {
  157. 			return t;
  158. 		}
  159. 	}
  160.  
  161. 	private static Paiza paiza = null;
  162.  
  163. 	private Home home;
  164. 	private ArrayList<Widget> widgets;
  165.  
  166. 	private Paiza() throws java.lang.Exception {
  167. 		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
  168. 		String[] hw = in.readLine().split(" ");
  169. 		home = new Home(Integer.parseInt(hw[0]), Integer.parseInt(hw[1]));
  170. 		for (int y = 0; y < home.getH(); y++) {
  171. 			String line = in.readLine();
  172. 			for (int x = 0; x < home.getW(); x++) {
  173. 				home.setDisplay(x, y, (int)(line.charAt(x) - '0'));
  174. 			}
  175. 		}
  176. 		int N = Integer.parseInt(in.readLine());
  177. 		widgets = new ArrayList<Widget>(N);
  178. 		for (int i = 0; i< N; i++) {
  179. 			String[] st = in.readLine().split(" ");
  180. 			widgets.add(new Widget(Integer.parseInt(st[0]), Integer.parseInt(st[1])));
  181. 		}
  182. 	}
  183.  
  184. 	private StringBuilder output = null;
  185. 	private static final String NEWLINE = System.getProperty("line.separator");
  186.  
  187. 	private void init(Resolver resolver) {
  188. 		resolver.setHome(home);
  189. 		output = new StringBuilder(widgets.size() * 6);
  190. 	}
  191.  
  192. 	private void answer(int count) {
  193. 		output.append(count);
  194. 		output.append(NEWLINE);
  195. 	}
  196.  
  197. 	private void flush() {
  198. 		System.out.print(output);
  199. 	}
  200. }
  201.  
Success #stdin #stdout 0.07s 380160KB
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https://ideone.com/XjU1ci
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
secret

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