c = range(8)
print len([v for v in permutations(c) if 8==len(set(v[i]+i for i in c))==len(set(v[i]-i for i in c))])
Showing posts with label algrithm. Show all posts
Showing posts with label algrithm. Show all posts
Thursday, August 8, 2013
python 3 line to solve 8 queen
from itertools import *
c = range(8)
print len([v for v in permutations(c) if 8==len(set(v[i]+i for i in c))==len(set(v[i]-i for i in c))])
c = range(8)
print len([v for v in permutations(c) if 8==len(set(v[i]+i for i in c))==len(set(v[i]-i for i in c))])
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