[Python/2017] Move solutions into .py files

Python/2017/11.py

@@ -0,0 +1,42 @@
+from lib import *
+
+input = read_input(2017, 11).strip()
+
+
+def step(x, y, d):
+    if d == "n":
+        return x, y - 1  # (0, -1)
+    if d == "ne":
+        return x + 1, y  # (1, 0)
+    if d == "se":
+        return x + 1, y + 1  # (1, 1)
+    if d == "s":
+        return x, y + 1  # (0, 1)
+    if d == "sw":
+        return x - 1, y  # (-1, 0)
+    if d == "nw":
+        return x - 1, y - 1  # (-1, -1)
+
+
+x, y = 0, 0
+for d in input.split(","):
+    x, y = step(x, y, d)
+k = 0
+if x * y > 0:
+    k = min(x, y, key=abs)
+    x -= k
+    y -= k
+print(abs(x) + abs(y) + k)
+
+
+x, y = 0, 0
+out = 0
+for d in input.split(","):
+    x, y = step(x, y, d)
+    k = 0
+    if x * y > 0:
+        k = min(x, y, key=abs)
+        x -= k
+        y -= k
+    out = max(out, abs(x) + abs(y) + k)
+print(out)