def test_move():
start = nums("389125467")
assert labels_after_1(nth(iterate(move, start), 10)) == "92658374"
assert labels_after_1(nth(iterate(move, start), 100)) == "67384529"
def part2(start):
circle = nums_1m(nums(start))
for i in range(10_000):
circle = nth(iterate(move, circle), 1000)
print(i)
def labels_after_1(circle):
where = circle.index(1)
rotated = circle[where + 1:] + circle[:where]
return strs(rotated)
def test_move():
start = nums("389125467")
assert labels_after_1(nth(iterate(move, start), 10)) == "92658374"
assert labels_after_1(nth(iterate(move, start), 100)) == "67384529"
if __name__ == '__main__':
start = nums("469217538")
ans = labels_after_1(nth(iterate(move, start), 100))
print(f"Part 1: labels after 1 are {ans}")
# Part 2: let's try just running it.
def nums_1m(s, n=1_000_000):
start = nums(s)
next1 = max(start) + 1
start.extend(range(next1, next1 + (n - len(start))))
return start
def test_nums_1m():
n1m = nums_1m("469217538")
assert len(n1m) == 1_000_000
def part2(fname):
seats = Seats.from_file(fname)
final = fix_point(iterate(Seats.next, seats))
return num_occupied(final.seats)
def generations(cells):
return iterate(next_gen, cells)
def partn(cells):
cells6 = nth(iterate(next_genn_targeted, cells), 6)
return len(cells6)
def generations2(cells):
return iterate(next_gen2, cells)