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  1. class Klasemen {
  2.   constructor(klubList) {
  3.     this.klubData = {};
  4.     klubList.forEach((klub) => {
  5.       this.klubData[klub] = 0;
  6.     });
  7.   }
  8.  
  9.   catatPermainan(klubKandang, klubTandang, skor) {
  10.     const [skorKandang, skorTandang] = skor.split(":").map(Number);
  11.  
  12.     if (skorKandang > skorTandang) {
  13.       this.klubData[klubKandang] += 3;
  14.     } else if (skorKandang < skorTandang) {
  15.       this.klubData[klubTandang] += 3;
  16.     } else {
  17.       this.klubData[klubKandang] += 1;
  18.       this.klubData[klubTandang] += 1;
  19.     }
  20.   }
  21.  
  22.   ambilSemuaPeringkat() {
  23.     const sorted = Object.entries(this.klubData).sort((a, b) => b[1] - a[1]);
  24.     return sorted.map(([klub, point]) => [`${klub}=>${point}`]);
  25.   }
  26.  
  27.   cetakKlasemen() {
  28.     console.log(this.ambilSemuaPeringkat());
  29.   }
  30.  
  31.   ambilPeringkat(n) {
  32.     const sorted = Object.entries(this.klubData).sort((a, b) => b[1] - a[1]);
  33.     return sorted[n - 1][0];
  34.   }
  35. }
  36.  
  37. const klasemen = new Klasemen(["Liverpool", "Chelsea", "Arsenal"]);
  38.  
  39. klasemen.catatPermainan("Arsenal", "Liverpool", "2:1");
  40. klasemen.catatPermainan("Arsenal", "Chelsea", "1:1");
  41. klasemen.catatPermainan("Chelsea", "Arsenal", "0:3");
  42. klasemen.catatPermainan("Chelsea", "Liverpool", "3:2");
  43. klasemen.catatPermainan("Liverpool", "Arsenal", "2:2");
  44. klasemen.catatPermainan("Liverpool", "Chelsea", "0:0");
  45.  
  46. klasemen.cetakKlasemen();
  47.  
  48. console.log(klasemen.ambilPeringkat(2));
  49.  
Success #stdin #stdout 0.05s 17468KB
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Arsenal=>8,Chelsea=>5,Liverpool=>2
Chelsea
https://ideone.com/rikRX9
language:
JavaScript (SMonkey 60.2.3)
created:
5 hours ago
visibility:
public

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