Initial release

Le coffre à interrupteurs.py

@@ -0,0 +1,72 @@
+# size = 3
+# obj = (1,2,4)
+size = 12
+objs = (2376, 1812, 1106, 563, 1536) 
+
+ope = 0
+inter = [False,] * size
+res = dict()
+
+def switch(inter, i, type):
+    global ope
+    global objs
+    global res
+    if i < 0 or i > len(inter)-1:
+        raise RuntimeError("Mmmmmm")
+    s_old = "".join(["0" if not x else "1" for x in inter])
+    inter[i] = not inter[i]
+    ope = ope + 1
+    s = "".join(["0" if not x else "1" for x in inter])
+    if ope in objs:
+        res[ope] = int(s,2)
+    print("Operation #{:05d} ({}) - Switch #{:02d}: {} ==> {}".format(ope, type, i, s_old, s))
+    return inter
+
+def action1(inter):
+    inter = switch(inter, 0, "a1")
+    return inter
+
+def action2(inter):
+    i = 0
+    while inter[i] == False:
+        i=i+1
+    inter = switch(inter, i+1, "a2")
+    return inter
+
+def set_all_off(inter, i):
+    if i <0:
+        return inter
+    # print("set_all_off", i)
+    if i > 0:
+        if inter[i] == False:
+            inter = set_all_off(inter, i-1)
+        else:
+            inter = set_inter(inter, i-1)
+            inter = set_all_off(inter, i-2)
+            inter = action2(inter)
+            inter = set_all_off(inter, i-1)
+    elif i == 0:
+        if inter[0] == True:
+            inter = action1(inter)
+    # print("end set_all_off", i)
+    return inter
+
+def set_inter(inter, i):
+    if i < 0:
+        return inter
+    # print("set_inter", i)
+    if inter[i] == True:
+        return inter
+    if i > 0:
+        inter = set_inter(inter, i-1)
+        inter = set_all_off(inter, i-2)
+        inter = action2(inter)
+    else:
+        inter = action1(inter)
+    # print("end set_inter", i)
+    return inter
+
+for i in range(0, size):
+    inter = set_inter(inter, size-1-i)
+for obj in objs:
+    print(res[obj], end=', ')