pgcd.py

Created on March 21, 2022

616 Bytes

# Script PGCD
def pgcd(a : int, b : int):
  #---------Sécurités----------
  #Vérifier l'ensemble
  if type(a) != int or type(b) != int:
    return ValueError("Entiers attendus")
  
  #gérer les valeurs négatives
  a, b = abs(a), abs(b)
    
  #Eviter le cas pgcd(0,0)
  if (a == 0 and b == 0):
    return 0
    
  #Rectifier l'ordre 
  if b > a:
    a, b = b, a
  
  #Eviter la division par 0
  if b == 0:
    return a
  #--------------------
  
  while a % b != 0:
    print("{0} = {1} * {2} + {3}".format(a,b,a//b,a%b))
    a,b = b, a%b
  return b
    
    
print(pgcd(65,91))

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