new structure for 2018, added license information

2018/14/code.py

@@ -0,0 +1,56 @@
+""" https://adventofcode.com/2018/day/14 """
+
+def readFile():
+    with open(f"{__file__.rstrip('code.py')}input.txt", "r") as f:
+        return f.read()
+
+def part1(vals):
+    border = int(vals)
+    scores = [3, 7]
+    elf1 = 0
+    elf2 = 1
+    i = 2
+
+    while i < border + 10:
+        new = scores[elf1] + scores[elf2]
+        if new > 9:
+            scores.append(new // 10)
+            scores.append(new % 10)
+            i += 2
+        else:
+            scores.append(new)
+            i += 1
+        elf1 = (elf1 + 1 + scores[elf1]) % i
+        elf2 = (elf2 + 1 + scores[elf2]) % i
+
+    return "".join([str(i) for i in scores[border:border + 10]])
+
+def part2(vals):
+    size = len(vals)
+    comp = [int(c) for c in vals]
+    scores = [3, 7]
+    elf1 = 0
+    elf2 = 1
+    i = 2
+
+    while True:
+        new = scores[elf1] + scores[elf2]
+        if new > 9:
+            scores.append(new // 10)
+            scores.append(new % 10)
+            i += 2
+            if scores[-(size + 1):-1] == comp:
+                return i - (size + 1)
+        else:
+            scores.append(new)
+            i += 1
+
+        if scores[-size:] == comp:
+            return i - size
+        elf1 = (elf1 + 1 + scores[elf1]) % i
+        elf2 = (elf2 + 1 + scores[elf2]) % i
+
+if __name__ == "__main__":
+    vals = readFile()
+    print(f"Part 1: {part1(vals)}")
+    print(f"Part 2: {part2(vals)}")