[Python/2017] Move solutions into .py files

Python/2017/15.py

@@ -0,0 +1,35 @@
+from lib import *
+
+input = read_input(2017, 15)
+
+lines = input.splitlines()
+
+
+def gen(prev, k):
+    return (prev * k) % 2147483647
+
+
+a, b = [int(line.split()[-1]) for line in lines]
+out = 0
+M = 1 << 16
+for _ in range(40000000):
+    a = gen(a, 16807)
+    b = gen(b, 48271)
+    out += a % M == b % M
+
+print(out)
+
+
+def generate(x, k, m):
+    while True:
+        x = gen(x, k)
+        if x % m == 0:
+            yield x
+
+
+a, b = [int(line.split()[-1]) for line in lines]
+out = 0
+M = 1 << 16
+for _, a, b in zip(range(5000000), generate(a, 16807, 4), generate(b, 48271, 8)):
+    out += a % M == b % M
+print(out)