fork(1) download 
  1. /* paiza POH! vol.2
  2.  * result:
  3.  * http://p...content-available-to-author-only...a.jp/poh/paizen/result/8eb31c6ace2a72a6ee8b279bb49c470f
  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. 		BufferedReader in = new BufferedReader(
  15. 			new InputStreamReader(System.in));
  16.  
  17. 		String[] hw = in.readLine().split(" ");
  18. 		final int H = Integer.parseInt(hw[0]); // ホーム画面縦の区画数
  19. 		final int W = Integer.parseInt(hw[1]); // ホーム画面横の区画数
  20.  
  21. 		int[][] home = new int[H][W];
  22. 		int[][] hoge = new int[H][W];
  23. 		int spacecount = 0;
  24.  
  25. 		for (int y = 0; y < H; y++)
  26. 		{
  27. 			String line = in.readLine();
  28. 			int count = 0;
  29. 			for (int x = 0; x < W; x++)
  30. 			{
  31. 				int tx = W - x - 1;
  32. 				char ch = line.charAt(tx);
  33. 				if (ch == '0')
  34. 				{
  35. 					spacecount++;
  36. 					count++;
  37. 					if (y > 0)
  38. 					{
  39. 						hoge[y][tx] = hoge[y - 1][tx] + 1;
  40. 					}
  41. 					else
  42. 					{
  43. 						hoge[y][tx] = hoge[y][tx] = 1;
  44. 					}
  45. 				}
  46. 				else
  47. 				{
  48. 					count = 0;
  49. 					hoge[y][tx] = 0;
  50. 				}
  51. 				home[y][tx] = count;
  52. 			}
  53. 		}
  54.  
  55. 		final int N = Integer.parseInt(in.readLine()); // ウィジェット数
  56.  
  57. 		int[][] result = new int[H][W];
  58.  
  59. 		for (int i = 0; i < N; i++)
  60. 		{
  61. 			String[] st = in.readLine().split(" ");
  62. 			int s = Integer.parseInt(st[0]); // ウィジェットの縦サイズ
  63. 			int t = Integer.parseInt(st[1]); // ウィジェットの横サイズ
  64.  
  65. 			if (result[s][t] > 0)
  66. 			{
  67. 				System.out.println(result[s][t] - 1);
  68. 				continue;
  69. 			}
  70.  
  71. 			if (s == 1 && t == 1)
  72. 			{
  73. 				System.out.println(spacecount);
  74. 				continue;
  75. 			}
  76.  
  77. 			int count = 0;
  78. 			if (W > H)
  79. 			{
  80. 				for (int hy = H - 1; hy >= s - 1; hy--)
  81. 				{
  82. 					for (int hx = 0; hx < W - t + 1; hx++)
  83. 					{
  84. 						if (home[hy][hx] < t)
  85. 						{
  86. 							hx += home[hy][hx];
  87. 							continue;
  88. 						}
  89. 						if (hoge[hy][hx] < s)
  90. 						{
  91. 							continue;
  92. 						}
  93. 						int dy;
  94. 						for (dy = 1; dy < s; dy++)
  95. 						{
  96. 							int y = hy - dy;
  97. 							if (y >= H)
  98. 							{
  99. 								break;
  100. 							}
  101. 							if (home[y][hx] < t)
  102. 							{
  103. 								break;
  104. 							}
  105. 						}
  106. 						if (dy == s)
  107. 						{
  108. 							count++;
  109. 						}
  110. 					}
  111. 				}
  112. 			}
  113. 			else
  114. 			{
  115. 				for (int hx = 0; hx < W - t + 1; hx++)
  116. 				{
  117. 					for (int hy = H - 1; hy >= s - 1; hy--)
  118. 					{
  119. 						if (home[hy][hx] < t)
  120. 						{
  121. 							continue;
  122. 						}
  123. 						if (hoge[hy][hx] < s)
  124. 						{
  125. 							hy -= hoge[hy][hx];
  126. 							continue;
  127. 						}
  128. 						int dy;
  129. 						for (dy = 1; dy < s; dy++)
  130. 						{
  131. 							int y = hy - dy;
  132. 							if (y >= H)
  133. 							{
  134. 								break;
  135. 							}
  136. 							if (home[y][hx] < t)
  137. 							{
  138. 								break;
  139. 							}
  140. 						}
  141. 						if (dy == s)
  142. 						{
  143. 							count++;
  144. 						}
  145. 					}
  146. 				}
  147. 			}
  148. 			System.out.println(count);
  149. 			result[s][t] = count + 1;
  150. 		}
  151.  
  152. 	} // end of main(String[])
  153.  
  154. }
  155.  
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/OIA0Qa
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!