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  1.  
  2. #include <iostream>
  3. using namespace std;
  4.  
  5. bool FindPit(int* _Array, int _Size, int& inout_From, int& out_To, int& out_Max)
  6. {
  7. 	out_To = inout_From;
  8. 	out_Max = 0;
  9.  
  10. 	int lv_Max = _Array[inout_From];
  11. 	bool lv_LFind = true;
  12.  
  13. 	for(int i = inout_From; i < _Size; ++i)
  14. 	{
  15. 		if(lv_LFind)
  16. 		{
  17. 			if(_Array[i] >= lv_Max)
  18. 			{
  19. 				lv_Max = _Array[i];
  20. 				inout_From = i;
  21. 			}
  22. 			else
  23. 				lv_LFind = false;	
  24. 		}
  25.  
  26. 		if(!lv_LFind)
  27. 		{
  28. 			if(_Array[i] >= out_Max)
  29. 			{
  30. 				out_Max = _Array[i];
  31. 				out_To = i;
  32. 			}
  33. 			if(out_Max >= lv_Max)
  34. 			{
  35. 				out_Max = lv_Max;
  36. 				return true;
  37. 			}
  38. 		}
  39. 	}
  40.  
  41. 	return out_To > inout_From;
  42. }
  43.  
  44. int Volume(const int* _Array,const int _From,const int _To,const int Max)
  45. {
  46. 	int lv_Volume = 0;
  47.  
  48. 	for(int i = _From; i < _To; i++)
  49. 		lv_Volume += (Max - _Array[i]) > 0 ? (Max - _Array[i]) : 0;
  50.  
  51. 	return lv_Volume;
  52. }
  53.  
  54. int Volume(int* _Array, int _Size)
  55. {
  56. 	int lv_Volume = 0;
  57. 	int lv_From = 0;
  58. 	int lv_To;
  59. 	int lv_Max;
  60.  
  61. 	while(FindPit(_Array, _Size, lv_From, lv_To, lv_Max))
  62. 	{
  63. 		auto lv_Vol = Volume(_Array, lv_From, lv_To, lv_Max);
  64. 		lv_Volume += lv_Vol;
  65. 		lv_From = lv_To;
  66. 	}
  67.  
  68. 	return lv_Volume;
  69. }
  70.  
  71. int main() 
  72. {
  73. 	// 2,5,1,3,8,2,1,7,7,6 ans 17 
  74. 	// 2,5,1,2,3,4,7,7,6  ans 10
  75. 	// 2,5,1,3,1,2,1,7,7,6 ans 17
  76. 	int lv_Array[] = {1, 2, 3, 2, 5, 3, 4};
  77. 	auto lv_Volume = Volume(lv_Array, sizeof(lv_Array)/sizeof(*lv_Array));
  78.  
  79. 	if( lv_Volume == 2)
  80. 		cout << "PASS";
  81. 	else
  82. 		cout << "FAIL";
  83.  
  84. 	return 0;
  85. }
Success #stdin #stdout 0s 3296KB
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PASS
https://ideone.com/niitb7
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
secret

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