[交流] Euler 工程 第三十二题：pandigital 数 已有2人参与

from itertools import permutations

numbers = set(range(1,10))
results = []

for num in permutations(numbers, 4):
    n = int("%d"*4 % num)

    subset = numbers - set(num)

    # for #*####
    for x in subset:
        if n % x == 0:
            div = set([int(c) for c in str(n/x)])
            if len(div) == 4 and x not in div and div.issubset(subset):
                results.append(n)
                print "%d*%d=%d" % (x, n/x, n)
                break

    # for ##*###
    for x in permutations(subset, 2):
        xx = int("%d"*2 % x)
        if n % xx == 0:
            div = set([int(c) for c in str(n/xx)])
            if len(div) == 3 and x[0] not in div and x[1] not in div and div.issubset(subset):
                results.append(n)
                print "%d*%d=%d" % (xx, n/xx, n)
                break

print sum(set(results))