Day 2

1 files changed, 33 insertions, 0 deletions

diff --git a/2019/2.py b/2019/2.py
new file mode 100755
index 0000000..9833888
--- /dev/null
+++ b/2019/2.py
@@ -0,0 +1,33 @@
+#!/usr/bin/env python3
+import sys
+
+with open("2.in") as f:
+    arr = [int(x) for x in f.read().strip().split(",")]
+
+origarr = arr[:]
+
+def run(n,v):
+    arr = origarr[:]
+    arr[1] = n
+    arr[2] = v
+
+    i = 0
+    while arr[i] != 99:
+        C,a,b,c = arr[i:i+4]
+        if C == 1:
+            arr[c] = arr[a] + arr[b]
+        elif C == 2:
+            arr[c] = arr[a] * arr[b]
+        else:
+            assert False
+        i += 4
+
+    return arr[0]
+
+print(run(12,2))
+
+for n in range(100):
+    for v in range(100):
+        if run(n,v) == 19690720:
+            print(100 * n + v)
+            sys.exit(0)