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  1. #include <assert.h>
  2. #include <stdio.h>
  3.  
  4. #define START		(0)
  5. #define RED_END		(START      + 19)
  6. #define GREEN_END	(RED_END    + 22)
  7. #define BLACK_END	(GREEN_END  + 28)
  8. #define WHITE_END	(BLACK_END  + 19)
  9. #define YELLOW_END	(WHITE_END  + 14)
  10. #define ORANGE_END	(YELLOW_END + 8)
  11. #define END			(ORANGE_END)
  12.  
  13. #define RED_BIT			(1 << 0)
  14. #define GREEN_BIT		(1 << 1)
  15. #define BLACK_BIT		(1 << 2)
  16. #define WHITE_BIT		(1 << 3)
  17. #define YELLOW_BIT		(1 << 4)
  18. #define ORANGE_BIT		(1 << 5)
  19.  
  20. #define PICK_NUM	(4)
  21.  
  22. int allDiffColor(int ball[])
  23. {
  24. 	char hitCheck = 0;
  25. 	int  i;
  26.  
  27. 	for (i = 0; i < PICK_NUM; ++i)
  28. 	{
  29. 		if (ball[i] < RED_END)
  30. 		{
  31. 			if (hitCheck & RED_BIT)
  32. 			{
  33. 				return 0;
  34. 			}
  35. 			else
  36. 			{
  37. 				hitCheck |= RED_BIT;
  38. 			}
  39. 		}
  40. 		else if (ball[i] < GREEN_END)
  41. 		{
  42. 			if (hitCheck & GREEN_BIT)
  43. 			{
  44. 				return 0;
  45. 			}
  46. 			else
  47. 			{
  48. 				hitCheck |= GREEN_BIT;
  49. 			}
  50. 		}
  51. 		else if (ball[i] < BLACK_END)
  52. 		{
  53. 			if (hitCheck & BLACK_BIT)
  54. 			{
  55. 				return 0;
  56. 			}
  57. 			else
  58. 			{
  59. 				hitCheck |= BLACK_BIT;
  60. 			}
  61. 		}
  62. 		else if (ball[i] < WHITE_END)
  63. 		{
  64. 			if (hitCheck & WHITE_BIT)
  65. 			{
  66. 				return 0;
  67. 			}
  68. 			else
  69. 			{
  70. 				hitCheck |= WHITE_BIT;
  71. 			}
  72. 		}
  73. 		else if (ball[i] < YELLOW_END)
  74. 		{
  75. 			if (hitCheck & YELLOW_BIT)
  76. 			{
  77. 				return 0;
  78. 			}
  79. 			else
  80. 			{
  81. 				hitCheck |= YELLOW_BIT;
  82. 			}
  83. 		}
  84. 		else if (ball[i] < ORANGE_END)
  85. 		{
  86. 			if (hitCheck & ORANGE_BIT)
  87. 			{
  88. 				return 0;
  89. 			}
  90. 			else
  91. 			{
  92. 				hitCheck |= ORANGE_BIT;
  93. 			}
  94. 		}
  95. 		else
  96. 		{
  97. 			assert(0);
  98. 		}
  99. 	}
  100.  
  101. 	return 1;
  102. }
  103.  
  104. int main()
  105. {
  106. 	int ball[PICK_NUM] = {0};
  107. 	int allCount = 0;
  108. 	int hitCount = 0;
  109.  
  110. 	for (ball[0] = 0; ball[0] < END; ball[0]++)
  111. 	{
  112. 		for (ball[1] = 0; ball[1] < END; ball[1]++)
  113. 		{
  114. 			if (ball[0] == ball[1])
  115. 				continue;
  116. 			for (ball[2] = 0; ball[2] < END; ball[2]++)
  117. 			{
  118. 				if ((ball[0] == ball[2]) || (ball[1] == ball[2]))
  119. 					continue;
  120. 				for (ball[3] = 0; ball[3] < END; ball[3]++)
  121. 				{
  122. 					if ((ball[0] == ball[3]) || (ball[1] == ball[3]) || (ball[2] == ball[3]))
  123. 						continue;
  124. 					++allCount;
  125.  
  126. 					if (1 == allDiffColor(ball))
  127. 					{
  128. 						++hitCount;
  129. 					}
  130. 				}
  131. 			}
  132. 		}
  133. 	}
  134.  
  135. 	printf("all: %d, hit: %d\n", allCount, hitCount);
  136. }
Success #stdin #stdout 1.26s 9424KB
comments (?)
stdin 
Standard input is empty
stdout 
all: 138556440, hit: 34960224
https://ideone.com/RypZUx
language:
C (gcc 8.3)
created:
6 years ago
visibility:
public

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