54 lines
878 B
Python
54 lines
878 B
Python
from math import log10
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def pick(x, lis, out, a = 0):
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if x == 0:
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out.append([a, lis])
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return
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a *= 10
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for i in xrange(len(lis)):
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tmp = lis[:]
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tmpa = a + lis[i]
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tmp.pop(i)
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pick(x - 1, tmp, out, tmpa)
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def test(x, n):
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tmp = x[:]
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while n > 0:
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if tmp.count(n % 10):
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tmp.remove(n % 10)
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n /= 10
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else:
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return False
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if len(tmp) > 0:
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return False
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return True
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total = []
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tt = []
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pick(1, [1,2,3,4,5,6,7,8,9], tt)
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for i in tt:
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yy = []
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pick(4, i[1], yy)
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for j in yy:
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if test(j[1], i[0] * j[0]):
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tmp = i[0] * j[0]
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if total.count(tmp) == 0:
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total.append(tmp)
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tt = []
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pick(2, [1,2,3,4,5,6,7,8,9], tt)
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for i in tt:
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yy = []
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pick(3, i[1], yy)
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for j in yy:
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if test(j[1], i[0] * j[0]):
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tmp = i[0] * j[0]
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if total.count(tmp) == 0:
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total.append(tmp)
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print sum(total)
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