day 12

12/input.puzzle

@@ -0,0 +1,23 @@
+cpy 1 a
+cpy 1 b
+cpy 26 d
+jnz c 2
+jnz 1 5
+cpy 7 c
+inc d
+dec c
+jnz c -2
+cpy a c
+inc a
+dec b
+jnz b -2
+cpy c b
+dec d
+jnz d -6
+cpy 19 c
+cpy 11 d
+inc a
+dec d
+jnz d -2
+dec c
+jnz c -5

12/input.sample

@@ -0,0 +1,6 @@
+cpy 41 a
+inc a
+inc a
+dec a
+jnz a 2
+dec a

12/part01.py

@@ -0,0 +1,80 @@
+#!/usr/bin/env python
+
+import re
+import argparse
+
+RE_CPY = re.compile(r'^cpy (.*) (.)')
+RE_INC = re.compile(r'^inc (.)')
+RE_DEC = re.compile(r'^dec (.)')
+RE_JNZ = re.compile(r'^jnz (.*) (-?\d+)')
+
+INSTRUCTIONS = []
+REGISTER = {'a': 0, 'b': 0, 'c': 0, 'd': 0 }
+
+def instruction_cpy(k, v):
+    global REGISTER
+    if v in REGISTER:
+        v = REGISTER[v]
+    REGISTER[k] = int(v)
+    return 1
+
+def instruction_inc(k):
+    global REGISTER
+    REGISTER[k] += 1
+    return 1
+
+def instruction_dec(k):
+    global REGISTER
+    REGISTER[k] -= 1
+    return 1
+
+def instruction_jnz(k, v):
+    global REGISTER
+    if k in REGISTER:
+        if REGISTER[k]:
+            return v
+    elif(int(k)):
+        return v
+    return 1
+
+
+def load_file(filename):
+    with open(filename) as f:
+        for line in f:
+            yield line.strip()
+
+def main(args):
+    for LINE in load_file(args.input):
+        match = RE_CPY.match(LINE)
+        if match:
+            INSTRUCTIONS.append({'values': [match.group(2), match.group(1)], 'function': instruction_cpy})
+            continue
+        match = RE_INC.match(LINE)
+        if match:
+            INSTRUCTIONS.append({'values': [match.group(1)], 'function': instruction_inc})
+            continue
+        match = RE_DEC.match(LINE)
+        if match:
+            INSTRUCTIONS.append({'values': [match.group(1)], 'function': instruction_dec})
+            continue
+        match = RE_JNZ.match(LINE)
+        if match:
+            INSTRUCTIONS.append({'values': [match.group(1), int(match.group(2))], 'function': instruction_jnz})
+            continue
+        raise Exception("line not parsable: {}". format(LINE))
+
+    line = 0
+    while True:
+        if line >= len(INSTRUCTIONS):
+            break
+        code = INSTRUCTIONS[line]
+        line += code['function'](*code['values'])
+
+    print(REGISTER['a'])
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(description='AdventOfCode 2016 Day 01')
+    parser.add_argument('--input', '-i', action='store',  required=True, help='input file')
+    args = parser.parse_args()
+
+    main(args)

12/part02.py

@@ -0,0 +1,80 @@
+#!/usr/bin/env python
+
+import re
+import argparse
+
+RE_CPY = re.compile(r'^cpy (.*) (.)')
+RE_INC = re.compile(r'^inc (.)')
+RE_DEC = re.compile(r'^dec (.)')
+RE_JNZ = re.compile(r'^jnz (.*) (-?\d+)')
+
+INSTRUCTIONS = []
+REGISTER = {'a': 0, 'b': 0, 'c': 1, 'd': 0 }
+
+def instruction_cpy(k, v):
+    global REGISTER
+    if v in REGISTER:
+        v = REGISTER[v]
+    REGISTER[k] = int(v)
+    return 1
+
+def instruction_inc(k):
+    global REGISTER
+    REGISTER[k] += 1
+    return 1
+
+def instruction_dec(k):
+    global REGISTER
+    REGISTER[k] -= 1
+    return 1
+
+def instruction_jnz(k, v):
+    global REGISTER
+    if k in REGISTER:
+        if REGISTER[k]:
+            return v
+    elif(int(k)):
+        return v
+    return 1
+
+
+def load_file(filename):
+    with open(filename) as f:
+        for line in f:
+            yield line.strip()
+
+def main(args):
+    for LINE in load_file(args.input):
+        match = RE_CPY.match(LINE)
+        if match:
+            INSTRUCTIONS.append({'values': [match.group(2), match.group(1)], 'function': instruction_cpy})
+            continue
+        match = RE_INC.match(LINE)
+        if match:
+            INSTRUCTIONS.append({'values': [match.group(1)], 'function': instruction_inc})
+            continue
+        match = RE_DEC.match(LINE)
+        if match:
+            INSTRUCTIONS.append({'values': [match.group(1)], 'function': instruction_dec})
+            continue
+        match = RE_JNZ.match(LINE)
+        if match:
+            INSTRUCTIONS.append({'values': [match.group(1), int(match.group(2))], 'function': instruction_jnz})
+            continue
+        raise Exception("line not parsable: {}". format(LINE))
+
+    line = 0
+    while True:
+        if line >= len(INSTRUCTIONS):
+            break
+        code = INSTRUCTIONS[line]
+        line += code['function'](*code['values'])
+
+    print(REGISTER['a'])
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(description='AdventOfCode 2016 Day 01')
+    parser.add_argument('--input', '-i', action='store',  required=True, help='input file')
+    args = parser.parse_args()
+
+    main(args)

README.md

@@ -14,3 +14,6 @@
 - **Day 8**: Two-Factor Authentication
 - **Day 9**: Explosives in Cyberspace
 - **Day 10**: Balance Bots
+- **Day 11**: Radioisotope Thermoelectric Generators (TODO)
+- **Day 12**: Leonardo's Monorail
+