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  1. #include <iostream>
  2. #include <bitset>
  3. using namespace std;
  4.  
  5. unsigned char custom_shift(unsigned char val, unsigned shift_bit) {
  6. 	unsigned char bit_val = val & (1 << shift_bit - 1); // Get current bit value
  7. 	val = val & ~(1 << shift_bit - 1);                  // Clear initial bit location
  8. 	val = bit_val ?                                     // Update next bit to 0 or 1
  9. 	        val | (1 << shift_bit) : 
  10. 	        val & ~(1 << shift_bit);
  11.  
  12. 	return val;
  13. }
  14.  
  15. int main() {
  16. 	std::cout << std::bitset<8>(custom_shift(0xCA, 4)) << std::endl;
  17. 	std::cout << std::bitset<8>(custom_shift(0xDA, 4)) << std::endl;
  18. 	std::cout << std::bitset<8>(custom_shift(0xD2, 4)) << std::endl;
  19.  
  20. 	return 0;
  21. }
Success #stdin #stdout 0s 4520KB
comments (?)
stdin 
Standard input is empty
stdout 
11010010
11010010
11000010
https://ideone.com/d7wZZ7
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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