atrifusion.py

Created by bilouclic

Created on December 16, 2024

715 Bytes

def fusionner(tab, indice_Debut, indice_Partage, indice_Fin ) :
tab1 = [tab[i] for i in range(indice_Debut, indice_Partage+1)]
tab2 = [tab[i] for i in range(indice_Partage+1, indice_Fin+1)]
i, j = 0, 0
for k in range( indice_Debut, indice_Fin+1 ) :
if i >= len(tab1) or (j < len(tab2) and tab1[i] > tab2[j]) :
tab[k] = tab2[j]
j = j + 1
else :
tab[k] = tab1[i]
i = i + 1
def tri_fusion( tab, i_Debut = 0, i_Fin = None) :
if i_Fin is None : i_Fin = len(tab) - 1
if i_Debut < i_Fin and i_Debut >=0 and i_Fin < len(tab) :
indice_Partage = (i_Debut + i_Fin - 1) // 2
tri_fusion( tab, i_Debut, indice_Partage)
tri_fusion( tab, indice_Partage + 1, i_Fin)
fusionner( tab, i_Debut, indice_Partage, i_Fin )

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