Вдовин Андрей Алексеевич 325 RaceTesting 9046			Шилов Даниил Николаевич, группа 313, Севастополь RaceTesting 9704
t	1	import itertools	t	1	import itertools
	2			2
	3	def speed(path, stops, times):		3	def speed(path, stops, times):
	4	path_iter = iter(path)		4	path_iter = iter(path)
	5	stops_iter = itertools.cycle(stops)		5	stops_iter = itertools.cycle(stops)
	6	times_iter = iter(times)		6	times_iter = iter(times)
	7	while True:		7	while True:
	8	try:		8	try:
	9	N = next(stops_iter)		9	N = next(stops_iter)
	10	except StopIteration:		10	except StopIteration:
	11	break		11	break
	12	total_distance = 0		12	total_distance = 0
	13	for _ in range(N):		13	for _ in range(N):
	14	try:		14	try:
	15	distance = next(path_iter)		15	distance = next(path_iter)
	16	total_distance += distance		16	total_distance += distance
	17	except StopIteration:		17	except StopIteration:
	18	break		18	break
	19	if total_distance == 0:		19	if total_distance == 0:
	20	break		20	break
	21	try:		21	try:
	22	time = next(times_iter)		22	time = next(times_iter)
	23	except StopIteration:		23	except StopIteration:
	24	break		24	break
	25	average_speed = total_distance / time		25	average_speed = total_distance / time
	26	yield average_speed		26	yield average_speed

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