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29 lines
818 B
29 lines
818 B
3 years ago
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"""Найти индекс первого нуля в переданном массиве."""
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import sys
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def task(array: str) -> int:
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"""Возвращает индекс певрого встреченного 0 в array."""
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first_zero_element_idx: int = -1
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valid_input: bool = True
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for elem in array:
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if elem != "0" and elem == "1":
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first_zero_element_idx += 1
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# если вообще не было 0, то ввод неверный
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if elem not in "01":
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valid_input = False
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if valid_input:
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return first_zero_element_idx + 1
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else:
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return -1
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if __name__ == "__main__":
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try:
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u_input = str(sys.argv[1])
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print(task(u_input))
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except IndexError:
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print("Не переданы аргументы!")
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