Run-Length Decode
Sometimes data is stored in a compressed form: first comes how many times to repeat a value, then the value itself. Given a list nums, each pair of elements represents a repeat count and the number to insert. Decode all pairs in order and return the resulting list.
Примеры
Ввод
[1, 2, 3, 4]Вывод
[2, 4, 4, 4]Ввод
[1, 1, 2, 3]Вывод
[1, 3, 3]Ввод
[0, 5, 2, 7]Вывод
[7, 7]Нужно реализовать
def decompress_rl_elist(nums: list[int]) -> list[int]:
Теги
array
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1
Input
[1,2,3,4]Expected
[2,4,4,4]2
Input
[1,1,2,3]Expected
[1,3,3]3
Input
[0,5,2,7]Expected
[7,7]4
Input
[3,9]Expected
[9,9,9]5
Input
[1,0,1,0]Expected
[0,0]6
Input
[0,0,0,0]Expected
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