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  1. <?php
  2. declare(strict_types=1);
  3.  
  4. class Klasemen
  5. {
  6.     private $poin = [];
  7.     private $urutanKlub = [];
  8.  
  9.     public function __construct(array $klub)
  10.     {
  11.         foreach ($klub as $nama) {
  12.             $this->poin[$nama] = 0;
  13.         }
  14.         $this->urutanKlub = $klub;
  15.     }
  16.  
  17.     public function catatPermainan(string $klubKandang, string $klubTandang, string $skor): void
  18.     {
  19.         [$skorKandang, $skorTandang] = array_map('intval', explode(':', $skor));
  20.  
  21.         if ($skorKandang > $skorTandang) {
  22.             $this->poin[$klubKandang] += 3;
  23.         } elseif ($skorKandang < $skorTandang) {
  24.             $this->poin[$klubTandang] += 3;
  25.         } else {
  26.             $this->poin[$klubKandang] += 1;
  27.             $this->poin[$klubTandang] += 1;
  28.         }
  29.     }
  30.  
  31.     public function cetakKlasemen(): array
  32.     {
  33.         $hasil = $this->poin;
  34.         uksort($hasil, function ($a, $b) use ($hasil) {
  35.             if ($hasil[$a] === $hasil[$b]) {
  36.                 return array_search($a, $this->urutanKlub) <=> array_search($b, $this->urutanKlub);
  37.             }
  38.             return $hasil[$b] <=> $hasil[$a];
  39.         });
  40.         return $hasil;
  41.     }
  42.  
  43.     public function ambilPeringkat(int $nomorPeringkat): string
  44.     {
  45.         $klasemen = $this->cetakKlasemen();
  46.         $namaKlub = array_keys($klasemen);
  47.         return $namaKlub[$nomorPeringkat - 1];
  48.     }
  49. }
  50.  
  51. $klasemen = new Klasemen(['Liverpool', 'Chelsea', 'Arsenal']);
  52. $klasemen->catatPermainan('Arsenal', 'Liverpool', '2:1');
  53. $klasemen->catatPermainan('Arsenal', 'Chelsea', '1:1');
  54. $klasemen->catatPermainan('Chelsea', 'Arsenal', '0:3');
  55. $klasemen->catatPermainan('Chelsea', 'Liverpool', '3:2');
  56. $klasemen->catatPermainan('Liverpool', 'Arsenal', '2:2');
  57. $klasemen->catatPermainan('Liverpool', 'Chelsea', '0:0');
  58.  
  59. print_r($klasemen->cetakKlasemen());
  60. echo $klasemen->ambilPeringkat(2) . PHP_EOL;
Success #stdin #stdout 0.02s 25452KB
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Array
(
    [Arsenal] => 8
    [Chelsea] => 5
    [Liverpool] => 2
)
Chelsea
https://ideone.com/WxfuPV
language:
PHP (php 7.3.5)
created:
11 hours ago
visibility:
public

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