fork(2) download
copy 
  1. #include <iostream>
  2. #include <bitset>
  3. using namespace std;
  4.  
  5. unsigned get_last_n_bits( unsigned u, int n )
  6. {
  7.   return u & ~(~0U << n);
  8. }
  9.  
  10. int main()
  11. {
  12.   cout << bitset<8>(get_last_n_bits( 254, 2 ));
  13.   return 0;
  14. }
Success #stdin #stdout 0s 3460KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
00000010
https://ideone.com/JrNGXz
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!