2016/10

toolkit.py

@@ -75,7 +75,22 @@ def md5gen(template, pattern=r'.+', batch=6000):
 
 def interpret(string, globals):
     fn, *args = (
-        x if x.replace('_', '').isalpha() else eval(x)
+        x if x[0].isalpha() else eval(x)
         for x in string.split()
     )
     globals[fn](**dict(zip(*[iter(args)] * 2)))
+
+
+def loop_consume(lines, handler):
+    instructions = collections.deque(lines)
+    count = 0
+    while instructions:
+        ok = handler(instructions[0])
+        if ok:
+            instructions.popleft()
+            count = 0
+        elif count < len(instructions):
+            instructions.rotate(1)
+            count += 1
+        else:
+            raise RuntimeError('Reached steady state')

y2016/p09.py

@@ -30,8 +30,8 @@ def unzip_len(text, recurse=False):
 
 text = sys.stdin.read().strip()
 
-# ans1 = unzip_len(text)
-# print(ans1)
+ans1 = unzip_len(text)
+print(ans1)
 
 ans2 = unzip_len(text, recurse=True)
 print(ans2)

y2016/p10.py

@@ -0,0 +1,26 @@
+import collections
+import sys
+
+import toolkit
+
+
+def handle(string):
+    if string.startswith('value'):
+        _, value, _, _, t0, i0 = string.split()
+        regs[t0 + i0].append(int(value))
+        return True
+    elif string.startswith('bot'):
+        t0, i0, _, _, _, t1, i1, _, _, _, t2, i2 = string.split()
+        try:
+            lo, hi = sorted(regs[t0 + i0])
+        except ValueError:
+            return False
+        regs[t1 + i1].append(lo)
+        regs[t2 + i2].append(hi)
+        return True
+
+
+regs = collections.defaultdict(list)
+toolkit.loop_consume(sys.stdin.read().splitlines(), handle)
+print(next(k for k, v in regs.items() if set(v) == {17, 61}))
+print(regs['output0'][0] * regs['output1'][0] * regs['output2'][0])