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  1. from itertools import permutations
  2.  
  3. n = 8
  4. cols = range(n)
  5. for vec in permutations(cols):
  6.     if ( n == len(set(vec[i]+i for i in cols))
  7.            == len(set(vec[i]-i for i in cols))):
  8.         print(vec)
Success #stdin #stdout 0.17s 9984KB
comments (?)
stdin 
Standard input is empty
stdout 
(0, 4, 7, 5, 2, 6, 1, 3)
(0, 5, 7, 2, 6, 3, 1, 4)
(0, 6, 3, 5, 7, 1, 4, 2)
(0, 6, 4, 7, 1, 3, 5, 2)
(1, 3, 5, 7, 2, 0, 6, 4)
(1, 4, 6, 0, 2, 7, 5, 3)
(1, 4, 6, 3, 0, 7, 5, 2)
(1, 5, 0, 6, 3, 7, 2, 4)
(1, 5, 7, 2, 0, 3, 6, 4)
(1, 6, 2, 5, 7, 4, 0, 3)
(1, 6, 4, 7, 0, 3, 5, 2)
(1, 7, 5, 0, 2, 4, 6, 3)
(2, 0, 6, 4, 7, 1, 3, 5)
(2, 4, 1, 7, 0, 6, 3, 5)
(2, 4, 1, 7, 5, 3, 6, 0)
(2, 4, 6, 0, 3, 1, 7, 5)
(2, 4, 7, 3, 0, 6, 1, 5)
(2, 5, 1, 4, 7, 0, 6, 3)
(2, 5, 1, 6, 0, 3, 7, 4)
(2, 5, 1, 6, 4, 0, 7, 3)
(2, 5, 3, 0, 7, 4, 6, 1)
(2, 5, 3, 1, 7, 4, 6, 0)
(2, 5, 7, 0, 3, 6, 4, 1)
(2, 5, 7, 0, 4, 6, 1, 3)
(2, 5, 7, 1, 3, 0, 6, 4)
(2, 6, 1, 7, 4, 0, 3, 5)
(2, 6, 1, 7, 5, 3, 0, 4)
(2, 7, 3, 6, 0, 5, 1, 4)
(3, 0, 4, 7, 1, 6, 2, 5)
(3, 0, 4, 7, 5, 2, 6, 1)
(3, 1, 4, 7, 5, 0, 2, 6)
(3, 1, 6, 2, 5, 7, 0, 4)
(3, 1, 6, 2, 5, 7, 4, 0)
(3, 1, 6, 4, 0, 7, 5, 2)
(3, 1, 7, 4, 6, 0, 2, 5)
(3, 1, 7, 5, 0, 2, 4, 6)
(3, 5, 0, 4, 1, 7, 2, 6)
(3, 5, 7, 1, 6, 0, 2, 4)
(3, 5, 7, 2, 0, 6, 4, 1)
(3, 6, 0, 7, 4, 1, 5, 2)
(3, 6, 2, 7, 1, 4, 0, 5)
(3, 6, 4, 1, 5, 0, 2, 7)
(3, 6, 4, 2, 0, 5, 7, 1)
(3, 7, 0, 2, 5, 1, 6, 4)
(3, 7, 0, 4, 6, 1, 5, 2)
(3, 7, 4, 2, 0, 6, 1, 5)
(4, 0, 3, 5, 7, 1, 6, 2)
(4, 0, 7, 3, 1, 6, 2, 5)
(4, 0, 7, 5, 2, 6, 1, 3)
(4, 1, 3, 5, 7, 2, 0, 6)
(4, 1, 3, 6, 2, 7, 5, 0)
(4, 1, 5, 0, 6, 3, 7, 2)
(4, 1, 7, 0, 3, 6, 2, 5)
(4, 2, 0, 5, 7, 1, 3, 6)
(4, 2, 0, 6, 1, 7, 5, 3)
(4, 2, 7, 3, 6, 0, 5, 1)
(4, 6, 0, 2, 7, 5, 3, 1)
(4, 6, 0, 3, 1, 7, 5, 2)
(4, 6, 1, 3, 7, 0, 2, 5)
(4, 6, 1, 5, 2, 0, 3, 7)
(4, 6, 1, 5, 2, 0, 7, 3)
(4, 6, 3, 0, 2, 7, 5, 1)
(4, 7, 3, 0, 2, 5, 1, 6)
(4, 7, 3, 0, 6, 1, 5, 2)
(5, 0, 4, 1, 7, 2, 6, 3)
(5, 1, 6, 0, 2, 4, 7, 3)
(5, 1, 6, 0, 3, 7, 4, 2)
(5, 2, 0, 6, 4, 7, 1, 3)
(5, 2, 0, 7, 3, 1, 6, 4)
(5, 2, 0, 7, 4, 1, 3, 6)
(5, 2, 4, 6, 0, 3, 1, 7)
(5, 2, 4, 7, 0, 3, 1, 6)
(5, 2, 6, 1, 3, 7, 0, 4)
(5, 2, 6, 1, 7, 4, 0, 3)
(5, 2, 6, 3, 0, 7, 1, 4)
(5, 3, 0, 4, 7, 1, 6, 2)
(5, 3, 1, 7, 4, 6, 0, 2)
(5, 3, 6, 0, 2, 4, 1, 7)
(5, 3, 6, 0, 7, 1, 4, 2)
(5, 7, 1, 3, 0, 6, 4, 2)
(6, 0, 2, 7, 5, 3, 1, 4)
(6, 1, 3, 0, 7, 4, 2, 5)
(6, 1, 5, 2, 0, 3, 7, 4)
(6, 2, 0, 5, 7, 4, 1, 3)
(6, 2, 7, 1, 4, 0, 5, 3)
(6, 3, 1, 4, 7, 0, 2, 5)
(6, 3, 1, 7, 5, 0, 2, 4)
(6, 4, 2, 0, 5, 7, 1, 3)
(7, 1, 3, 0, 6, 4, 2, 5)
(7, 1, 4, 2, 0, 6, 3, 5)
(7, 2, 0, 5, 1, 4, 6, 3)
(7, 3, 0, 2, 5, 1, 6, 4)
https://ideone.com/khBIBs
language:
Python 3 (python  3.9.5)
created:
7 years ago
visibility:
public

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