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  1. f=lambda x,l=len,r=range:'\n'.join(*x)if l(x)<2 else f([[x[i][j]+['0',''][j<=l(x[i])//2]for j in r(l(x[i]))]+[['?','?<'][l(x)<3]]+[x[i+1][j]+['1',''][j>=l(x[i])//2]for j in r(l(x[i]))]for i in r(0,l(x),2)])
  2.  
  3. print(f(['1','1','1','0','0','1','1','1']))
Success #stdin #stdout 0.02s 9984KB
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https://ideone.com/rsEz56
language:
Python 3 (python  3.9.5)
created:
7 years ago
visibility:
public

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