Day 6

day06/part1.py

@@ -0,0 +1,15 @@
+lines = (set([c for c in x.strip()]) for x in open("input.txt"))
+
+current = set()
+count = 0
+
+
+for line in lines:
+    if len(line) == 0:
+        print("x", len(current))
+        count += len(current)
+        current = set()
+    current = current.union(line)
+count += len(current)
+
+print(count)

day06/part2.py

@@ -0,0 +1,21 @@
+lines = (set([c for c in x.strip()]) for x in open("input.txt"))
+
+current = set()
+count = 0
+restart = True
+
+
+for line in lines:
+    if len(line) == 0:
+        count += len(current)
+        current = set()
+        restart = True
+        continue
+    if restart:
+        current = line
+        restart = False
+    else:
+        current = current.intersection(line)
+count += len(current)
+
+print(count)