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Konwersja w systemie U2

Description problemu

System U2

Z U2 do dziesiętnego

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def u2_to_decimal(number: str) -> int:
    power = 2 ** (len(number) - 1)
    result = 0

    if number[0] == "1":
        result -= power

    for index in range(1, len(number)):
        power //= 2
        digit = number[index]

        if digit == "1":
            result += power

    return result

number_u2 = "10000001"

number_decimal = u2_to_decimal(number_u2)

print(f"{number_u2} (U2) = {number_decimal} (10)")