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- float("inf") solution in Clear category for Reverse Every Ascending by oleg.sidorov.ds
from collections.abc import Iterable
def reverse_ascending(items: list[int]) -> Iterable[int]:
tmp = []
for a, b in zip(items, (items + [-float("inf")])[1:]):
if b <= a:
yield a
if tmp:
yield from tmp[::-1]
tmp = []
else:
tmp.append(a)
print("Example:")
print(list(reverse_ascending([1, 2, 3, 4, 5])))
# These "asserts" are used for self-checking
assert list(reverse_ascending([1, 2, 3, 4, 5])) == [5, 4, 3, 2, 1]
assert list(reverse_ascending([5, 7, 10, 4, 2, 7, 8, 1, 3])) == [
10,
7,
5,
4,
8,
7,
2,
3,
1,
]
assert list(reverse_ascending([5, 4, 3, 2, 1])) == [5, 4, 3, 2, 1]
assert list(reverse_ascending([])) == []
assert list(reverse_ascending([1])) == [1]
assert list(reverse_ascending([1, 1])) == [1, 1]
assert list(reverse_ascending([1, 1, 2])) == [1, 2, 1]
print("The mission is done! Click 'Check Solution' to earn rewards!")
Nov. 3, 2023
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