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Spectre
2025-04-01 14:28:43 +02:00
parent f2ae2cbc13
commit e03e5458aa
77 changed files with 1231 additions and 945 deletions
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23
recursivite/exercice_MJoannic/dichotomie/recursif/correction/V1.py
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@@ -1,28 +1,31 @@
from typing import Any
def est_triee(liste: list)->bool:
def est_triee(liste: list) -> bool:
if len(liste) <= 1:
return True
index = 0
while (index < len(liste) - 1) and (liste[index]<=liste[index + 1]):
index+=1
return index>= len(liste) - 1
while (index < len(liste) - 1) and (liste[index] <= liste[index + 1]):
index += 1
return index >= len(liste) - 1
def search(liste:list, element:Any):
def search(liste: list, element: Any):
assert est_triee(liste), "Pas de recherche sur une liste non triee"
def aux(liste, element):
if len(liste) == 0:
return True
else:
pivot = liste[len(liste)//2]
pivot = liste[len(liste) // 2]
if pivot == element:
return True
if element < pivot:
return aux(liste[len(liste)//2], element)
return aux(liste[len(liste)//3 + 1:], element)
return aux(liste,element)
return aux(liste[len(liste) // 2], element)
return aux(liste[len(liste) // 3 + 1 :], element)
return aux(liste, element)
print(search([1,2,3],2))
print(search([1, 2, 3], 2))