36 lines
684 B
Python
36 lines
684 B
Python
|
# 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")
|