StyleInCode

""" day_03_01.py """

# usage: python3 day_03_01.py < input

import sys


def max_joltage(battery_bank):
    """ largest two digit number """
    b = battery_bank.strip()
    j = max(b[:-1])
    joltage = j + max(b[b.find(j) + 1:])

    return int(joltage)


with sys.stdin as infile:
    total = sum(max_joltage(bank) for bank in infile)

print(total)

""" day_03_02.py """

# usage: python3 day_03_02.py < input

import sys


def max_joltage(battery_bank):
    """ largest twelve digit number """
    b = battery_bank.strip()
    output = ''

    for target in range(12, 0, -1):
        size = len(b)
        if size == target:
            output += b
            break

        digit = max(b[:size - target + 1])
        i = b.find(digit)

        output += digit
        b = b[i + 1:]

    return int(output)


with sys.stdin as infile:
    total = sum(max_joltage(bank) for bank in infile)

print(total)