[TP 3] Exo Bonus - Syracuse

TP3/main.py

@@ -117,4 +117,26 @@ def binomes(n):
         for j in range(i):
             l.append(lastl.pop(0) + lastl[0])
         lastl=l+ [0]
-    return(l)
+    return(l)
+
+#Exercice bonus : Conjecture de Syracuse
+def syracuse(n):
+    if n%2:
+        return 3*n + 1
+    return n/2
+
+
+def NbrEtapes(n):
+    l=n
+    i=0
+    while l!=1:
+        l=syracuse(l)
+        i+=1
+    return i
+def printNbrEtapes(n):
+    a=[NbrEtapes(i) for i in range(1, n+1)]
+    print(a)
+    return a
+
+#Exercice bonus : Palindromes et nombres de Lychrel
+