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  1. i,j,s;f(n){for(char a[31]={};++i%(1<<2*n);s||puts(a))for(j=s=0;~s&&j<2*n;)s+=1-(a[j]=40+(i>>j++)%2)%2*2;}
  2.  
  3. int main() {
  4. 	f(0);f(1);f(2);f(3);f(4);f(3);f(2);f(1);f(0);
  5. 	return 0;
  6. }
Success #stdin #stdout 0s 2112KB
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()
()()
(())
()()()
(())()
()(())
(()())
((()))
()()()()
(())()()
()(())()
(()())()
((()))()
()()(())
(())(())
()(()())
(()()())
((())())
()((()))
(()(()))
((()()))
(((())))
()()()
(())()
()(())
(()())
((()))
()()
(())
()
https://ideone.com/rBOtAV
language:
C (gcc 8.3)
created:
7 years ago
visibility:
secret

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