23 lines
518 B
Python
Executable file
23 lines
518 B
Python
Executable file
#!/usr/bin/env python
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import sys
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def solve(input: str) -> int:
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def parse(input: str) -> list[list[str]]:
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return [line.split() for line in input.splitlines()]
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def validate_passphrase(passphrase: list[str]) -> bool:
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return len(set("".join(sorted(w)) for w in passphrase)) == len(passphrase)
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passphrases = parse(input)
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return sum(map(validate_passphrase, passphrases))
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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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