first commit

partition_fusion/code.py

@@ -0,0 +1,45 @@
+def partition(tab, debut, fin):
+    pivot = tab[fin]
+    i = debut - 1
+    for j in range(debut, fin):
+        if tab[j] <= pivot:
+            i += 1
+            tab[i], tab[j] = tab[j], tab[i]
+    tab[i + 1], tab[fin] = tab[fin], tab[i + 1]
+    return i + 1
+
+def fusion(tab, debut, milieu, fin):
+    gauche = tab[debut:milieu + 1]
+    droite = tab[milieu + 1:fin + 1]
+    i, j, k = 0, 0, debut
+
+    while i < len(gauche) and j < len(droite):
+        if gauche[i] <= droite[j]:
+            tab[k] = gauche[i]
+            i += 1
+        else:
+            tab[k] = droite[j]
+            j += 1
+        k += 1
+
+    while i < len(gauche):
+        tab[k] = gauche[i]
+        i += 1
+        k += 1
+
+    while j < len(droite):
+        tab[k] = droite[j]
+        j += 1
+        k += 1
+
+def tri_fusion_partition(tab, debut, fin):
+    if debut < fin:
+        pivot_index = partition(tab, debut, fin)
+        tri_fusion_partition(tab, debut, pivot_index - 1)
+        tri_fusion_partition(tab, pivot_index + 1, fin)
+        fusion(tab, debut, pivot_index, fin)
+
+tableau = [34, 7, 23, 32, 5, 62, 32, 8, 9]
+tri_fusion_partition(tableau, 0, len(tableau) - 1)
+print("Tableau trié :", tableau)
+