1 files changed, 0 insertions, 124 deletions
diff --git a/solutions/py/d12.py b/solutions/py/d12.py
deleted file mode 100644
index 3d2b636..0000000
--- a/solutions/py/d12.py
+++ /dev/null
@@ -1,124 +0,0 @@
-import itertools
-import primefac
-
-class Moon(object):
-    def __init__(self, x, y, z):
-        self.x = x
-        self.y = y
-        self.z = z
-        self.dx = 0
-        self.dy = 0
-        self.dz = 0
-
-    def step(self):
-        self.x += self.dx
-        self.y += self.dy
-        self.z += self.dz
-
-    def gx(self, other):
-        if self.x < other.x:
-            self.dx += 1
-            other.dx -= 1
-
-    def gy(self, other):
-        if self.y < other.y:
-            self.dy += 1
-            other.dy -= 1
-
-    def gz(self, other):
-        if self.z < other.z:
-            self.dz += 1
-            other.dz -= 1
-
-    def gravity(self, other):
-        self.gx(other)
-        self.gy(other)
-        self.gz(other)
-
-    def get_x(self):
-        return self.x, self.dx
-
-    def get_y(self):
-        return self.y, self.dy
-
-    def get_z(self):
-        return self.z, self.dz
-
-    def get(self):
-        return self.get_x, self.get_y, self.get_z
-
-def pt1(input):
-    moons = []
-
-    for line in input:
-        dims = line.rstrip().split(",")
-        x = int(dims[0][3:])
-        y = int(dims[1][3:])
-        z = int(dims[2][3:-1])
-        moons.append(Moon(x, y, z))
-
-    for _ in range(1000):
-        for pair in itertools.permutations(moons, 2):
-            pair[0].gravity(pair[1])
-        for moon in moons:
-            moon.step()
-
-    tot = 0
-    for moon in moons:
-        pot = abs(moon.x) + abs(moon.y) + abs(moon.z)
-        kin = abs(moon.dx) + abs(moon.dy) + abs(moon.dz)
-        tot += pot*kin
-    return tot
-
-def get_cycle(init_pos, init_vel):
-    initial = tuple(init_pos)
-    pos = init_pos.copy()
-    vel = init_vel.copy()
-    iters = 0
-    while 1:
-        for i, j in itertools.permutations(range(4), 2):
-            if i == j:
-                continue
-            if pos[i] < pos[j]:
-                vel[i] += 1
-                vel[j] -= 1
-        for i in range(4):
-            pos[i] += vel[i]
-        iters += 1
-        if pos[0] == initial[0] and pos[1] == initial[1] and \
-                pos[2] == initial[2] and pos[3] == initial[3] and \
-                vel[0] == 0 and vel[1] == 0 and \
-                vel[2] == 0 and vel[3] == 0:
-            return iters
-
-def pt2(input):
-    moons = []
-    xs = 0
-    ys = 0
-    zs = 0
-
-    for line in input:
-        dims = line.rstrip().split(",")
-        x = int(dims[0][3:])
-        y = int(dims[1][3:])
-        z = int(dims[2][3:-1])
-        moons.append(Moon(x, y, z))
-
-    xs = get_cycle([moon.x for moon in moons], [0 for _ in range(4)])
-    ys = get_cycle([moon.y for moon in moons], [0 for _ in range(4)])
-    zs = get_cycle([moon.z for moon in moons], [0 for _ in range(4)])
-
-    factors = [primefac.factorint(n) for n in (xs, ys, zs)]
-    nums = {}
-    for factor in factors:
-        for n in factor:
-            nums[n] = max(nums.get(n, 0), factor[n])
-    ans = 1
-    for n in nums:
-        ans *= n ** nums[n]
-    return ans
-
-if __name__ == "__main__":
-    input = open("../input/12", "r").readlines()
-    print(pt1(input))
-    print(pt2(input))