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  1. class Ideone
  2. {
  3.     public static void main(String[] args)
  4.     {
  5.         try (java.util.Scanner in = new java.util.Scanner(System.in))
  6.         {
  7.             int n = in.nextInt(); // 計算に使わない
  8.             long t = in.nextInt() * 60; // 秒速から分速に変換しておく
  9.             long o = in.nextInt() * 100; // メートルからセンチメートルに変換しておく
  10.             long m = in.nextInt();
  11.  
  12.             long numerator = t * m;
  13.             long denominator = o;
  14.             long gcd = gcd(numerator, denominator);
  15.             numerator /= gcd;
  16.             denominator /= gcd;
  17.  
  18.             if (denominator == 1) System.out.println(numerator);
  19.             else System.out.printf("%d/%d%n", numerator, denominator);
  20.         }
  21.     }
  22.  
  23.     static long gcd(long a, long b)
  24.     {
  25.         return b == 0 ? a : gcd(b, a % b);
  26.     }
  27. }
Success #stdin #stdout 0.06s 711680KB
comments (?)
stdin
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31415926
5358979 3238
462643
stdout
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7437882364491/16190
https://ideone.com/nWux6W
language:
Java (HotSpot 12)
created:
9 years ago
visibility:
secret

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