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  1. #include <iostream>
  2. #include <climits>
  3.  
  4. /* Отражаем 1 в 0 и 0 в 1 */
  5. int flip(int bit) {
  6.     return 1^bit;
  7. }
  8.  
  9. /* Возвращаем 1, если число положительное, и 0, если отрицательное*/
  10. int sign(int a) {
  11.     return flip((a >> (sizeof(int) * CHAR_BIT - 1)) & 0x1);
  12. }
  13.  
  14. int getMaxNaive(int a, int b) {
  15.     int k = sign(a - b);
  16.     int q = flip(k);
  17.     return a * k + b * q;
  18. }
  19.  
  20. int main() {
  21. 	std::cout << getMaxNaive(4, 5);
  22. 	return 0;
  23. }
Success #stdin #stdout 0s 4536KB
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5
https://ideone.com/R6zDVt
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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