40 lines
1 KiB
Python
Executable file
40 lines
1 KiB
Python
Executable file
#!/usr/bin/env python
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import sys
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from collections.abc import Iterator
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def solve(input: str) -> int:
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def decompress(input: str) -> str:
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def helper() -> Iterator[str]:
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i = 0
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is_marker = False
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while i < len(input):
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if is_marker:
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j = input.find(")", i)
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else:
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j = input.find("(", i)
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if j == -1:
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j = len(input)
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if is_marker:
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length, repeat = map(int, input[i + 1 : j].split("x"))
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yield input[j + 1 : j + length + 1] * repeat
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i = j + length + 1
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else:
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yield input[i:j]
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i = j
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is_marker = not is_marker
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return "".join(helper())
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decompressed = decompress(input.strip())
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return sum(not c.isspace() for c in decompressed)
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def main() -> None:
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input = sys.stdin.read()
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print(solve(input))
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if __name__ == "__main__":
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main()
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