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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main(){
  5. 	unsigned long in_val, tmp_val, power = 1;
  6. 	cin >> in_val;
  7. 	tmp_val = in_val;
  8. 	while (tmp_val) {
  9. 		tmp_val /= 2;
  10. 		power *= 2;
  11. 	}
  12. 	tmp_val = in_val;
  13. 	unsigned long max_val = in_val;
  14. 	do {
  15. 		in_val = in_val << 1;
  16. 		in_val = in_val % power + (in_val >= power? 1: 0);
  17. 		if (max_val < in_val) max_val = in_val;
  18. 	} while (tmp_val != in_val );
  19. 	cout << max_val << endl;
  20.  
  21. 	return 0;
  22. }
Success #stdin #stdout 0s 4360KB
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https://ideone.com/AkXIQJ
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
secret

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