Created
January 29, 2017 13:34
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Codility - Passing cars
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| def solution(A): | |
| passing_cars = 0 | |
| east_cars = 0 | |
| for index in xrange(len(A)): | |
| if A[index] == 1: | |
| passing_cars += east_cars | |
| else: | |
| east_cars += 1 | |
| if passing_cars > 1000000000: | |
| return -1 | |
| return passing_cars if passing_cars <= 1000000000 else -1 |
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