Solve p2 by plotting graph and fixing manually... Gross

2024/day24/main.py

@@ -25,21 +25,14 @@ def part_one(n, g):
             p1 = p1 | (resolve(i, n, g) << int(i.replace("z", "")))
     return p1
 
-def combine(n, s):
-    num = 0
-    for i in n:
-        if s in i:
-            num = num | n[i] << int(i.replace(s, ""))
-    return num
-
 def add2sus(sus, g, s):
     if s in g:
-        sus[s] = []
+        sus.add(s)
         add2sus(sus, g, g[s][0])
         add2sus(sus, g, g[s][2])
 
 def sus(z1, z2, g):
-    sus_g = {}
+    sus_g = set()
     binz = list(bin(z1 ^ z2)[2:])
     binz.reverse()
     for c, i in enumerate(binz):
@@ -48,35 +41,69 @@ def sus(z1, z2, g):
     print(len(sus_g))
     print(len(g))
 
-
-    pass
-
 def gen_n(x,y):
+    n={}
+    for c in range(45):
+        n[f"x{c:02}"] = int(0)
+        n[f"y{c:02}"] = int(0)
+
     xbin = list(bin(x)[2:])
     ybin = list(bin(y)[2:])
     xbin.reverse()
     ybin.reverse()
-    n={}
     for c, x in enumerate(xbin):
         n[f"x{c:02}"] = int(x)
     for c, y in enumerate(ybin):
         n[f"y{c:02}"] = int(y)
     return n
 
-def part_two(n, g):
-    x = random.getrandbits(56)
-    y = random.getrandbits(56)
+def test(x, y, z, g):
     n = gen_n(x, y)
-    x = combine(n, "x")
-    y = combine(n, "y")
-    z = part_one(n.copy(), g.copy())
-    print("y, ", bin(y))
-    print("x, ", bin(x))
-    print("z, ", bin(z))
-    print("W, ", bin(x+y))
-    print("^, ", bin(z^(x+y)))
-    sus(z, x+y, g)
-    pass
+    z = part_one(n, g.copy())
+    return z == x+y
+
+def check_l_rec(s, g, visited):
+    if s in g:
+        for ss in g[s][0]:
+            if ss in visited:
+                return True
+            if check_l_rec(ss, g, set(list(visited)+[ss])):
+                return True
+        for ss in g[s][2]:
+            if ss in visited:
+                return True
+            if check_l_rec(ss, g, set(list(visited)+[ss])):
+                return True
+    return False
+
+
+
+def check4loop(g):
+    for i in g:
+        if 'z' in i:
+            if check_l_rec(i, g, set(i)):
+                return True
+    else:
+        return False
+
+def part_two(n, g):
+    # import graphviz
+    # dot = graphviz.Digraph(comment='The Round Table')
+    # for i in g:
+    #     dot.node(i)
+    # for i in g:
+    #     color = "blue"
+    #     if g[i][1] == "AND":
+    #         color = "red"
+    #     elif g[i][1] == "OR":
+    #         color = "green"
+    #     dot.edge(g[i][0], i, g[i][1], color=color)
+    #     dot.edge(g[i][2], i, g[i][1], color=color )
+    # dot.render('round-table.gv', view=True)
+
+
+
+
 
 def main():
     contents = file2list("input.txt")