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  1. class Klasemen {
  2.     constructor(clubs) {
  3.         this.points = {};
  4.         for (let club of clubs) {
  5.             this.points[club] = 0;
  6.         }
  7.     }
  8.  
  9.     catatPermainan(klubKandang, klubTandang, skor) {
  10.         let [goalsHome, goalsAway] = skor.split(':').map(Number);
  11.         if (goalsHome > goalsAway) {
  12.             this.points[klubKandang] += 3;
  13.         } else if (goalsHome < goalsAway) {
  14.             this.points[klubTandang] += 3;
  15.         } else {
  16.             this.points[klubKandang] += 1;
  17.                 this.points[klubTandang] += 1;
  18.         }
  19.     }
  20.  
  21.     cetakKlasemen() {
  22.         let standings = Object.entries(this.points);
  23.         standings.sort((a, b) => b[1] - a[1]);
  24.         return standings;
  25.     }
  26.  
  27.     ambilPeringkat(nomorPeringkat) {
  28.         let standings = this.cetakKlasemen();
  29.         return standings[nomorPeringkat - 1][0];
  30.     }
  31. }
  32.  
  33. // Contoh penggunaan:
  34. let klasemen = new Klasemen(['Liverpool', 'Chelsea', 'Arsenal']);
  35. klasemen.catatPermainan('Arsenal', 'Liverpool', '2:1');
  36. klasemen.catatPermainan('Arsenal', 'Chelsea', '1:1');
  37. klasemen.catatPermainan('Chelsea', 'Arsenal', '0:3');
  38. klasemen.catatPermainan('Chelsea', 'Liverpool', '3:2');
  39. klasemen.catatPermainan('Liverpool', 'Arsenal', '2:2');
  40. klasemen.catatPermainan('Liverpool', 'Chelsea', '0:0');
  41.  
  42. console.log(klasemen.cetakKlasemen());
  43. console.log(klasemen.ambilPeringkat(2));
Success #stdin #stdout 0.03s 19668KB
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Arsenal,8,Chelsea,5,Liverpool,2
Chelsea
https://ideone.com/s2djGG
language:
JavaScript (SMonkey 60.2.3)
created:
2 days ago
visibility:
public

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