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  1. proc even(n: int): bool
  2.  
  3. proc odd(n: int): bool =
  4.   assert(n >= 0) # nが負数になり無限ループする事がない事を保証する
  5.   if n == 0: false
  6.   else:
  7.     n == 1 or even(n-1)
  8.  
  9. proc even(n: int): bool =
  10.   assert(n >= 0) # nが負数になり無限ループする事がない事を保証する
  11.   if n == 1: false
  12.   else:
  13.     n == 0 or odd(n-1)
  14.  
  15.  
Success #stdin #stdout 0s 2428KB
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https://ideone.com/xlnnDX
forward_declaration.nim
language:
Nim (nim 0.19.4)
created:
7 years ago
visibility:
public

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