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First solution in Clear category for Rotate Hole by dm.palczak
def rotate(state, pipe_numbers):
pipe_numbers = sorted(set(pipe_numbers))
PipeSplit = [0] + [i + 1 for i, j in
enumerate(zip(pipe_numbers, pipe_numbers[1:]))
if j[0] == j[1]] + [len(pipe_numbers)]
Cannons = [pipe_numbers[i[0]:i[1]] for i in zip(PipeSplit, PipeSplit[1:])]
RotateCounter = []
for i in Cannons:
for j in range(len(state)):
if len(i) == sum([k1 for k0, k1 in enumerate(state[-j:]+state[:-j]) if k0 in i]):
RotateCounter.append(j)
return RotateCounter
if __name__ == '__main__':
# These "asserts" using only for self-checking and not necessary for
# auto-testing
assert rotate([1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1], [0, 1]) == [
1, 8], "Example"
assert rotate(
[1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1], [0, 1, 2]) == [], "Mission impossible"
assert rotate([1, 0, 0, 0, 1, 1, 0, 1], [0, 4, 5]) == [0], "Don't touch it"
assert rotate([1, 0, 0, 0, 1, 1, 0, 1], [5, 4, 5]) == [
0, 5], "Two cannonballs in the same pipe"
Dec. 4, 2016
