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Simple solution in Clear category for Evenly Spaced Trees by amandel
from typing import List
from itertools import pairwise
from math import gcd
def evenly_spaced_trees(trees: List[int]) -> int:
return (trees[-1]-trees[0])//gcd(*(y-x for x,y in pairwise(trees)))-len(trees)+1
if __name__ == '__main__':
print("Example:")
print(evenly_spaced_trees([0, 2, 6]))
assert evenly_spaced_trees([0, 2, 6]) == 1, 'add 1'
assert evenly_spaced_trees([1, 3, 6]) == 3, 'add 3'
assert evenly_spaced_trees([0, 2, 4]) == 0, 'no add'
print("Coding complete? Click 'Check' to earn cool rewards!")
Sept. 5, 2023
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