fork(2) download
copy 
  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	using DIGIT_T = std::uint8_t;
  6. 	//using DIGIT_T = std::uint32_t;
  7. 	std::uint8_t bits = 1;
  8. 	DIGIT_T test1 = ~(DIGIT_T)0;
  9. 	std::cout << std::hex << (std::uint64_t)test1 << std::endl;
  10. 	DIGIT_T test2 = (DIGIT_T)~0 >> bits;
  11. 	std::cout << std::hex << (std::uint64_t)test2 << std::endl;
  12. 	return 0;
  13. }
Success #stdin #stdout 0s 3412KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
ff
7f
https://ideone.com/PS8jHE
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!