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  1. #include <iostream>
  2. #include <iomanip>
  3. #include <vector>
  4. #include <algorithm>
  5.  
  6. using namespace std;
  7.  
  8. namespace
  9. {
  10.     struct seiseki
  11. 	{
  12. 		std::string namae;
  13.  
  14. 		int kokugo;
  15. 		int sugaku;
  16. 	};
  17.  
  18. 	struct kamoku
  19. 	{
  20. 		std::string kamoku_mei;
  21. 		int seiseki::*score_ptr;
  22. 	};
  23.  
  24. 	std::vector<seiseki> seiseki_data
  25. 	{
  26. 		{"太郎", 74, 93},
  27. 		{"次郎", 78, 82},
  28. 		{"三郎", 94, 68}
  29. 	};
  30.  
  31. 	std::vector<kamoku> kamoku_list
  32. 	{
  33. 		{"KOKUGO", &seiseki::kokugo},
  34. 		{"SUGAKU", &seiseki::sugaku}
  35. 	};
  36.  
  37. 	int keisan_kojin_gokei(seiseki score)
  38. 	{
  39. 		return score.kokugo + score.sugaku;
  40. 	}
  41. } // namespace
  42.  
  43. int main()
  44. {
  45. 	cout << "namae   ";
  46. 	for ( auto kamoku : kamoku_list )
  47. 		cout << setw(8) << kamoku.kamoku_mei;
  48. 	cout << " gokei" << endl;
  49.  
  50. 	cout << fixed << setprecision(1);
  51. 	for ( auto score : seiseki_data )
  52. 	{
  53. 		cout << setw(8) << score.namae
  54. 			<< setw(8) << score.kokugo
  55. 			<< setw(8) << score.sugaku
  56. 			<< " "
  57. 			<< setw(8) << keisan_kojin_gokei(score)
  58. 			 << endl;
  59. 	}
  60.  
  61. 	cout << "        ";
  62. 	for ( auto kamoku_idx = 0; kamoku_idx < kamoku_list.size(); kamoku_idx++ )
  63. 	{
  64. 		double total = 0.0;
  65. 		for ( auto score : seiseki_data )
  66. 		{
  67. 			total += score.*(kamoku_list[kamoku_idx].score_ptr);
  68. 		}
  69. 		cout << setw(8) << total / seiseki_data.size();
  70. 	}
  71. 	double total = 0.0;
  72. 	for ( auto score : seiseki_data )
  73. 		total += keisan_kojin_gokei(score);
  74. 	cout << setw(8) << total / seiseki_data.size();
  75. 	cout << endl;
  76.  
  77.  
  78.  
  79. 	cout << endl;
  80.  
  81. 	for ( auto kamoku : kamoku_list )
  82. 	{
  83. 		cout << "<" << kamoku.kamoku_mei << ">" << endl;
  84.  
  85. 		std::sort(seiseki_data.begin(), seiseki_data.end(),
  86. 			[kamoku](seiseki lhs, seiseki rhs)
  87. 			{
  88. 				return lhs.*(kamoku.score_ptr) > rhs.*(kamoku.score_ptr);
  89. 			}
  90. 		);
  91.  
  92. 		auto rank = 0;
  93. 		for ( auto score : seiseki_data )
  94. 		{
  95. //			std::printf(" %d %s %d\n", ++rank, score.namae.c_str(), score.*(kamoku.score_ptr));
  96. 			cout << ++rank << " " << score.namae << " " << score.*(kamoku.score_ptr) << endl;
  97. 		}
  98.  
  99. 		cout << endl;
  100. 	}
  101. }
  102.  
  103.  
Success #stdin #stdout 0s 3044KB
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stdin
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Standard input is empty
stdout
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namae     KOKUGO  SUGAKU gokei
  太郎      74      93      167
  次郎      78      82      160
  三郎      94      68      162
            82.0    81.0   163.0

<KOKUGO>
1 三郎 94
2 次郎 78
3 太郎 74

<SUGAKU>
1 太郎 93
2 次郎 82
3 三郎 68
https://ideone.com/AjCNng
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
secret

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