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  1. process.stdin.resume();
  2. process.stdin.setEncoding('utf8');
  3.  
  4. class Klasemen {
  5.   constructor(listKlub) {
  6.     this.poin = {};
  7.     listKlub.forEach(k => this.poin[k] = 0);
  8.   }
  9.  
  10.   catatPermainan(klubKandang, klubTandang, skor) {
  11.     const [golKandang, golTandang] = skor.split(':').map(Number);
  12.       if (golKandang > golTandang) {
  13.         this.poin[klubKandang] += 3;
  14.       } else if (golTandang > golKandang) {
  15.         this.poin[klubTandang] += 3;
  16.       } else {
  17.         this.poin[klubKandang] += 1;
  18.         this.poin[klubTandang] += 1;
  19.       }
  20.   }
  21.  
  22.   cetakKlasemen() {
  23.     const hasil = Object.entries(this.poin)
  24.       .sort((a, b) => b[1] - a[1])
  25.       .reduce((acc, [klub, poin]) => {
  26.         acc[klub] = poin;
  27.         return acc;
  28.       }, {});
  29.     return hasil;
  30.   }
  31.  
  32.   ambilPeringkat(nomorPeringkat) {
  33.     const sorted = Object.entries(this.poin)
  34.       .sort((a, b) => b[1] - a[1]);
  35.     if (nomorPeringkat < 1 || nomorPeringkat > sorted.length) return null;
  36.     return sorted[nomorPeringkat - 1][0];
  37.   }
  38. }
  39.  
  40. const klasemen = new Klasemen(['Liverpool', 'Chelsea', 'Arsenal']);
  41.  
  42. klasemen.catatPermainan('Arsenal', 'Liverpool', '2:1');
  43. klasemen.catatPermainan('Arsenal', 'Chelsea', '1:1');
  44. klasemen.catatPermainan('Chelsea', 'Arsenal', '0:3');
  45. klasemen.catatPermainan('Chelsea', 'Liverpool', '3:2');
  46. klasemen.catatPermainan('Liverpool', 'Arsenal', '2:2');
  47. klasemen.catatPermainan('Liverpool', 'Chelsea', '0:0');
  48.  
  49. console.log(klasemen.cetakKlasemen());
  50. console.log(klasemen.ambilPeringkat(2));
  51.  
Success #stdin #stdout 0.09s 41896KB
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stdin
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Standard input is empty
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{ Arsenal: 8, Chelsea: 5, Liverpool: 2 }
Chelsea
https://ideone.com/ubkM07
Programming Languange: Javascript
language:
Node.js (node 20.14)
created:
4 days ago
visibility:
public

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