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02-recursion-exercises.ipynb

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  • Forked from Vuillemot Romain / INF-TC1
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    fibo-mem.py 470 B
    def fib(n, lookup): 
      
        # Cas d'arrêt
        if n == 0 or n == 1 : 
            lookup[n] = n 
      
        # On calcule la valeur si pas déjà calculée
        if lookup[n] is None: 
            lookup[n] = fib(n-1 , lookup)  + fib(n-2 , lookup)  
      
        # On renvoie la n-eme valeur
        return lookup[n] 
    
    if __name__=="__main__": 
        n = 6 
        max = 100
        lookup = [None]*(max) # initialise la table de cache
        print("Le nombre de fibonacci est ", fib(n, lookup)) # affiche 8