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  1. #include <iostream>
  2. #include <unordered_map>
  3. #include <vector>
  4. #include <string>
  5. #include <sstream>
  6. #include <algorithm>
  7. using namespace std;
  8.  
  9. class Klasemen {
  10. 	private:
  11. 		unordered_map<string, int> clubScoreMap;
  12. 		bool changed;
  13. 		vector<string> cachedKlasemen;
  14.  
  15. 		void sortKlasemen() {
  16. 			sort(cachedKlasemen.begin(), cachedKlasemen.end(),
  17. 				[&](const string& a, const string& b) {
  18. 					if (clubScoreMap[a] != clubScoreMap[b]) {
  19. 						return clubScoreMap[a] > clubScoreMap[b];
  20. 					}
  21. 					return a < b;
  22. 				}
  23. 			);
  24. 		}
  25.  
  26. 	public:
  27. 			Klasemen(vector<string> clubs) {
  28. 			for (string s : clubs) {
  29. 				clubScoreMap[s] = 0;
  30. 				cachedKlasemen.push_back(s);
  31. 			}
  32.  
  33. 			changed = true;
  34. 		}
  35.  
  36. 		void catatPermainan(string klubKandang, string klubTandang, string skor) {
  37. 			vector<int> points;
  38.  
  39. 			stringstream ss(skor);
  40. 			string poin;
  41.  
  42. 			while (getline(ss, poin, ':')) {
  43. 				points.push_back(stoi(poin));
  44. 			}
  45.  
  46. 			if (points[0] > points[1]) {
  47. 				clubScoreMap[klubKandang] += 3;
  48. 			} else if (points[0] < points[1]) {
  49. 				clubScoreMap[klubTandang] += 3;
  50. 			} else {
  51. 				clubScoreMap[klubKandang] += 1;
  52. 	            clubScoreMap[klubTandang] += 1;
  53. 			}
  54. 	        changed = true;
  55. 	    }
  56.  
  57. 		vector<string> cetakKlasemen() {
  58. 	    	if (changed) {
  59. 				sortKlasemen();
  60. 				changed = false;
  61. 	    	}
  62. 			return cachedKlasemen;
  63. 	    }
  64.  
  65. 		string ambilPeringkat(int nomorPeringkat) {
  66. 	    	if (changed) {
  67. 				sortKlasemen();
  68. 				changed = false;
  69. 	    	}
  70. 	    	if(nomorPeringkat <= 0 || nomorPeringkat > cachedKlasemen.size()){
  71. 	    		return "Peringkat tidak sesuai";
  72. 	    	}
  73. 			return cachedKlasemen[nomorPeringkat - 1];
  74. 		}
  75. };
  76.  
  77. int main() {
  78. 	Klasemen klasemen({"Liverpool", "Chelsea", "Arsenal"});
  79.  
  80. 	klasemen.catatPermainan("Arsenal", "Liverpool", "2:1");
  81. 	klasemen.catatPermainan("Arsenal", "Chelsea", "1:1");
  82. 	klasemen.catatPermainan("Chelsea", "Arsenal", "0:3");
  83. 	klasemen.catatPermainan("Chelsea", "Liverpool", "3:2");
  84. 	klasemen.catatPermainan("Liverpool", "Arsenal", "2:2");
  85. 	klasemen.catatPermainan("Liverpool", "Chelsea", "0:0");
  86.  
  87. 	vector<string> hasil = klasemen.cetakKlasemen();
  88.  
  89. 	cout << "Klasemen:" << endl;
  90.     for (const string& club : hasil) {
  91. 		cout << club << endl;
  92. 	}
  93.  
  94. 	cout << endl;
  95. 	cout << klasemen.ambilPeringkat(2) << endl;
  96.  
  97. 	return 0;
  98. }
Success #stdin #stdout 0.01s 5288KB
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Standard input is empty
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Klasemen:
Arsenal
Chelsea
Liverpool

Chelsea
https://ideone.com/evWx8S
language:
C++ 4.3.2 (gcc-4.3.2)
created:
21 hours ago
visibility:
public

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