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  1. #include <iostream>
  2. #include <cstdint>
  3. using namespace std;
  4.  
  5. int main() 
  6. {
  7. 	int32_t in;
  8. 	cin >> in;
  9. 	const bool negative = in < 0;
  10. 	const uint32_t a    = negative ? - in : in;
  11. 	const uint32_t half = a >> 1;
  12. 	const bool odd      = a & 0x1;
  13. 	cout << (negative ? '-':' ') << half << '.' << (odd ? '5' : '0') << endl;
  14. 	return 0;
  15. }
Success #stdin #stdout 0s 5024KB
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stdin
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-24
stdout
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-12.0
https://ideone.com/H8rjAU
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

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