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  1. /* paiza POH! vol.2
  2.  * result:
  3.  * http://p...content-available-to-author-only...a.jp/poh/paizen/result/79416a22f9f6ab7b5ed2248a4d7b54e0
  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.  
  24. 		int spacecount = 0;
  25.  
  26. 		for (int y = 0; y < H; y++)
  27. 		{
  28. 			String line = in.readLine();
  29. 			int count = 0;
  30. 			for (int x = 0; x < W; x++)
  31. 			{
  32. 				int tx = W - x - 1;
  33. 				char ch = line.charAt(tx);
  34. 				if (ch == '0')
  35. 				{
  36. 					spacecount++;
  37. 					count++;
  38. 					if (y > 0)
  39. 					{
  40. 						hoge[y][tx] = hoge[y - 1][tx] + 1;
  41. 					}
  42. 					else
  43. 					{
  44. 						hoge[y][tx] = hoge[y][tx] = 1;
  45. 					}
  46. 				}
  47. 				else
  48. 				{
  49. 					count = 0;
  50. 					hoge[y][tx] = 0;
  51. 				}
  52. 				home[y][tx] = count;
  53. 			}
  54. 		}
  55.  
  56. 		final int N = Integer.parseInt(in.readLine()); // ウィジェット数
  57.  
  58. 		for (int i = 0; i < N; i++)
  59. 		{
  60. 			String[] st = in.readLine().split(" ");
  61. 			int s = Integer.parseInt(st[0]); // ウィジェットの縦サイズ
  62. 			int t = Integer.parseInt(st[1]); // ウィジェットの横サイズ
  63.  
  64. 			if (s == 1 && t == 1)
  65. 			{
  66. 				System.out.println(spacecount);
  67. 				continue;
  68. 			}
  69.  
  70. 			int count = 0;
  71. 			for (int hy = H - 1; hy >= s - 1; hy--)
  72. 			{
  73. 				for (int hx = 0; hx < W - t + 1; hx++)
  74. 				{
  75. 					if (home[hy][hx] < t)
  76. 					{
  77. 						hx += home[hy][hx];
  78. 						continue;
  79. 					}
  80. 					if (hoge[hy][hx] < s)
  81. 					{
  82. 						continue;
  83. 					}
  84. 					int dy;
  85. 					for (dy = 1; dy < s; dy++)
  86. 					{
  87. 						int y = hy - dy;
  88. 						if (y >= H)
  89. 						{
  90. 							break;
  91. 						}
  92. 						if (home[y][hx] < t)
  93. 						{
  94. 							break;
  95. 						}
  96. 					}
  97. 					if (dy == s)
  98. 					{
  99. 						count++;
  100. 					}
  101. 				}
  102. 			}
  103. 			System.out.println(count);
  104. 		}
  105.  
  106. 	} // end of main(String[])
  107.  
  108. }
  109.  
Success #stdin #stdout 0.08s 380160KB
comments (?)
stdin
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5 5
00000
00100
00010
10001
10000
3
2 2
1 1
3 2
stdout
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6
20
2
https://ideone.com/FeADDw
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
secret

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