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  1. #include <cstdio>
  2.  
  3. int f(int x)
  4. {
  5. 	return !(x & 8) == (x & 1) | 0x1e ^ !(x - 2) << 1;
  6. }
  7.  
  8. int main()
  9. {
  10. 	for(int i = 1; i <= 12; i++)
  11. 		std::printf("%d %d\n", i, f(i));
  12. }
Success #stdin #stdout 0s 3296KB
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stdin
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Standard input is empty
stdout
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1 31
2 28
3 31
4 30
5 31
6 30
7 31
8 31
9 30
10 31
11 30
12 31
https://ideone.com/DvcsZa
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
secret

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