fork download 
  1. /* paiza POH! vol.2
  2.  * result:
  3.  * http://p...content-available-to-author-only...a.jp/poh/paizen/result/bbcc702ed86b06d66ed92887cd66c835
  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. 	int[] space2top = null;
  24.  
  25. 	private void calc(Paiza.Home home, int x, int y) {
  26. 		if (home.isSpace(x, y)) {
  27. 			space2top[x]++;
  28. 			int s = space2top[x];
  29. 			int t = 1;
  30. 			for (int i = x; i >= 0 && space2top[i] > 0; i--) {
  31. 				if (space2top[i] < s) {
  32. 					s = space2top[i];
  33. 				}
  34. 				table[s][t]++;
  35. 				t++;
  36. 			}
  37. 		} else {
  38. 			space2top[x] = 0;
  39. 		}
  40. 	}
  41.  
  42. 	@Override
  43. 	public void setHome(Paiza.Home home) {
  44. 		super.setHome(home);
  45.  
  46. 		table = new int[home.getH() + 1][home.getW() + 1];
  47. 		cache = new int[home.getH() + 1][home.getW() + 1];
  48.  
  49. 		space2top = new int[home.getW()];
  50.  
  51. 		for (int y = 0; y < home.getH(); y++) {
  52. 			for (int x = 0; x < home.getW(); x++) {
  53. 				calc(home, x, y);
  54. 			}
  55. 		}
  56.  
  57. 	} // setHome()
  58.  
  59. 	@Override
  60. 	public int resolve(Paiza.Widget widget) {
  61. 		int s = widget.getS();
  62. 		int t = widget.getT();
  63. 		if (s > home.getH() || t > home.getW()) {
  64. 			return 0;
  65. 		}
  66. 		if (cache[s][t] > 0) {
  67. 			return cache[s][t] - 1;
  68. 		}
  69. 		int count = 0;
  70. 		for (int i = s; i <= home.getH(); i++) {
  71. 			count += table[i][t];
  72. 		}
  73. 		cache[s][t] = count + 1;
  74. 		return count;
  75. 	} // resolve()
  76.  
  77. }
  78.  
  79. final class Paiza
  80. {
  81. 	public static abstract class Resolver
  82. 	{
  83. 		protected Paiza.Home home;
  84.  
  85. 		public void setHome(Paiza.Home home) {
  86. 			this.home = home;
  87. 		}
  88.  
  89. 		public abstract int resolve(Paiza.Widget widget);
  90. 	}
  91.  
  92. 	public static Paiza getInstance() throws java.lang.Exception {
  93. 		if (paiza == null) {
  94. 			paiza = new Paiza();
  95. 		}
  96. 		return paiza;
  97. 	}	
  98.  
  99. 	public void resolve(Resolver resolver) {
  100. 		init(resolver);
  101. 		for (Widget widget : widgets) {
  102. 			answer(resolver.resolve(widget));
  103. 		}
  104. 		flush();
  105. 	}
  106.  
  107.  
  108. 	public final class Home
  109. 	{
  110. 		private final int H;
  111. 		private final int W;
  112. 		private int[][] display;
  113. 		private Home(int H, int W) {
  114. 			this.H = H;
  115. 			this.W = W;
  116. 			display = new int[H][W];
  117. 		}
  118.  
  119. 		private void setDisplay(int x, int y, int e) throws java.lang.Exception {
  120. 			if (x < 0 || x >= W) {
  121. 				throw new ArrayIndexOutOfBoundsException("x : " + x);
  122. 			}
  123. 			if (y < 0 || y >= H) {
  124. 				throw new ArrayIndexOutOfBoundsException("y : " + y);
  125. 			}
  126. 			if (e != 0 && e != 1) {
  127. 				throw new IllegalArgumentException("e");
  128. 			}
  129. 			display[y][x] = e;
  130. 		}
  131.  
  132. 		public int getH() {
  133. 			return H;
  134. 		}
  135.  
  136. 		public int getW() {
  137. 			return W;
  138. 		}
  139.  
  140. 		public boolean isSpace(int x, int y) {
  141. 			if (x < 0 || y < 0 || x >= W || y >= H) {
  142. 				return false;
  143. 			}
  144. 			return display[y][x] == 0;
  145. 		}
  146. 	}
  147.  
  148. 	public final class Widget
  149. 	{
  150. 		private final int s;
  151. 		private final int t;
  152. 		private Widget(int s, int t) {
  153. 			this.s = s;
  154. 			this.t = t;
  155. 		}
  156.  
  157. 		public int getS() {
  158. 			return s;
  159. 		}
  160.  
  161. 		public int getT() {
  162. 			return t;
  163. 		}
  164. 	}
  165.  
  166. 	private static Paiza paiza = null;
  167.  
  168. 	private Home home;
  169. 	private ArrayList<Widget> widgets;
  170.  
  171. 	private Paiza() throws java.lang.Exception {
  172. 		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
  173. 		String[] hw = in.readLine().split(" ");
  174. 		home = new Home(Integer.parseInt(hw[0]), Integer.parseInt(hw[1]));
  175. 		for (int y = 0; y < home.getH(); y++) {
  176. 			String line = in.readLine();
  177. 			for (int x = 0; x < home.getW(); x++) {
  178. 				home.setDisplay(x, y, (int)(line.charAt(x) - '0'));
  179. 			}
  180. 		}
  181. 		int N = Integer.parseInt(in.readLine());
  182. 		widgets = new ArrayList<Widget>(N);
  183. 		for (int i = 0; i< N; i++) {
  184. 			String[] st = in.readLine().split(" ");
  185. 			widgets.add(new Widget(Integer.parseInt(st[0]), Integer.parseInt(st[1])));
  186. 		}
  187. 	}
  188.  
  189. 	private StringBuilder output = null;
  190. 	private static final String NEWLINE = System.getProperty("line.separator");
  191.  
  192. 	private void init(Resolver resolver) {
  193. 		resolver.setHome(home);
  194. 		output = new StringBuilder(widgets.size() * 6);
  195. 	}
  196.  
  197. 	private void answer(int count) {
  198. 		output.append(count);
  199. 		output.append(NEWLINE);
  200. 	}
  201.  
  202. 	private void flush() {
  203. 		System.out.print(output);
  204. 	}
  205. }
  206.  
Success #stdin #stdout 0.07s 380224KB
comments (?)
stdin 
5 5
00000
00100
00010
10001
10000
3
2 2
1 1
3 2
stdout 
6
20
2
https://ideone.com/7JU27W
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!