Solve 2015 days 11-18.

2015/d15.py

@@ -0,0 +1,34 @@
+import lib
+data = open(0).read().strip()
+
+part_1 = True
+def maximize(tspr, score, ks):
+    if ks == [] or tspr == 0:
+        r = 1
+        for s in score[:-1]:
+            if s < 0:
+                return 0
+            r *= s
+        if part_1:
+            return r
+        elif score[-1] == 500:
+            return r
+        else:
+            return 0
+    
+    m = 0
+    for tsp in range(tspr + 1):
+        dscore = [v * tsp  for v in ks[0]]
+        nscore = list(map(sum, zip(score, dscore)))
+        nm = maximize(tspr - tsp, nscore, ks[1:])
+        m = max(m, nm)
+    return m
+
+ks = []
+for line in data.splitlines():
+    k = lib.str_to_ints(line)
+    ks.append(k)
+
+score = [0 for _ in range(len(ks[0]))]
+print(maximize(100, score, ks))
+