用 igt 赚钱

from itertools import permutationsfrom collections import Counterdef three_digits_even(ints: list) -> list:    solution = set()    for p in permutations(ints, 3):        if p[-1] % 2 != 0 or p[0] == 0:            continue        number = int("".join(map(str, p)))        solution.add(number)    return sorted(list(solution))

$ ./ch-1.py 2 1 3 0[102, 120, 130, 132, 210, 230, 302, 310, 312, 320]$ ./ch-1.py 2 2 8 8 2[222, 228, 282, 288, 822, 828, 882]

from collections import Counterdef delete_and_earn(ints: list) -> int:    freq = Counter(ints)    return score(freq)def score(freq: Counter) -> int:    max_points = None    for i in freq:        points = i        new_freq = freq.copy()        if i - 1 in new_freq:            del new_freq[i - 1]        if i + 1 in new_freq:            del new_freq[i + 1]        new_freq[i] -= 1        if new_freq[i] == 0:            del new_freq[i]        if new_freq:            points += score(new_freq)        if max_points is None or points > max_points:            max_points = points    return max_points if max_points is not None else 0

$ ./ch-2.py 3 4 26$ ./ch-2.py 2 2 3 3 3 49