google1.py

n = int(input())

def translate(index, s):
    for i in range(1, n + 1):
        s += str(index[i]) if (index[i - 1] & 1) == 0 else str(9 - index[i])
    return s

for i in range(0, (10 ** n)):
    print(translate(list(map(int, str(i).zfill(n + 1))), ''))

紀錄一下舊的解

n = int(input())

numMax = 10 ** n
num = 0

while num < numMax:
    print("%0*d" % (n, num))

    direct = 0
    oldNum = num
    for i in range(0, n):
        direct += oldNum % 10
        oldNum //= 10

    dNum = 1
    oldNum = num
    while True:
        digit = oldNum % 10
        oldNum //= 10
        direct -= digit

        if (direct % 2) == 0 and digit < 9:
                num += dNum
                break
        if (direct % 2) == 1 and digit > 0:
                num -= dNum
                break

        dNum *= 10

n = int(input())

op = [1, -1]

num = 0
for i in range(1, (10 ** n) + 1):
    print("%0*d" % (n, num))

    direct = 0
    dNum = 1
    while i % 10 == 0:
        dNum *= 10
        i //= 10

    direct = (i // 10) % 10
    num += op[direct & 1] * dNum

n = int(input())

l = [[i for i in range(0, 10)], [i for i in range(0, 10)[::-1]]]
dNums = [10 ** i for i in range(0, n)]

def run(num, n, direct, digits):
    if n == 0:
        print("%0*d" % (digits, num))
    else:
        for i in range(0, 10):
            run(num + dNums[n - 1] * l[direct][i], n - 1, i & 1, digits)

run(0, n, 0, n)

n = int(input())

op = [1, -1]
num = [0] * (n + 1)
for i in range(1, (10 ** n) + 1):
    print(''.join(str(i) for i in num[1:]))

    s = str(i).zfill(n + 2)
    index = 1
    while s[-index] == '0':
        index += 1

    num[-index] = num[-index] + op[int(s[-(index + 1)]) & 1]

n = int(input())

op = [1, -1]
num = [0] * (n + 1)
for i in range(1, (10 ** n) + 1):
    print(''.join([str(i) for i in num[0:-1]][::-1]))

    s = str(i).zfill(n + 2)[::-1]
    index = 0
    while s[index] == '0':
        index += 1

    num[index] = num[index] + op[int(s[index + 1]) & 1]

n = int(input())

numMax = 10 ** n
num = 0

carry = [0] * (n + 2)
dNums = [[10 ** i for i in range(0, n + 2)], [-1 * 10 ** i for i in range(0, n + 2)]]

while num < numMax:
    print("%0*d" % (n, num))

    carry[0] += 1

    index = 0
    while carry[index] == 10:
        carry[index] = 0
        index += 1
        carry[index] += 1

    num += dNums[carry[index + 1] & 1][index]