tvl-depot/data_structures_and_algorithms/inflight-entertainment.py

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# possible :: Int -> [Int] -> Bool
def possible(flight_duration, film_durations):
seeking = set()
for x in film_durations:
if x in seeking:
return True
else:
seeking.add(flight_duration - x)
return False
should = [
(10, [1, 9, 8, 8, 8]),
(10, [1, 9]),
(10, [1, 9, 5, 5, 6]),
(1, [0.5, 0.5]),
(1, [0.5, 0.5]),
]
for a, b in should:
print("Testing: %s %s" % (a, b))
assert possible(a, b)
shouldnt = [
(10, [1, 10, 1, 2, 1, 12]),
(1, [0.25, 0.25, 0.25, 0.25]),
(5, [1, 2, 2]),
]
for a, b in shouldnt:
print("Testing: %s %s" % (a, b))
assert not possible(a, b)
print("Tests pass")