fork(4) download 
  1. x = gets.to_i
  2. y = gets.to_i
  3. ox = gets.to_i
  4. oy = gets.to_i
  5.  
  6. result = Math.sqrt((x - ox) ** 2 + (y - oy) ** 2) #←コレが>>429の部分
  7.  
  8. puts(result)
Success #stdin #stdout 0s 4716KB
comments (?)
stdin 
10
20
30
40
stdout 
28.284271247461902
https://ideone.com/deboPE
language:
Ruby (ruby 2.5.5)
created:
12 years ago
visibility:
secret

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