#include <iostream>
using namespace std;
unsigned int bit_reverse(unsigned int n)
{
?????? n = ((n >> 1) & 0x55555555) | ((n << 1) & 0xaaaaaaaa);
?????? n = ((n >> 2) & 0x33333333) | ((n << 2) & 0xcccccccc);
?????? n = ((n >> 4) & 0x0f0f0f0f) | ((n << 4) & 0xf0f0f0f0);
?????? n = ((n >> 8) & 0x00ff00ff) | ((n << 8) & 0xff00ff00);
?????? n = ((n >> 16) & 0x0000ffff) | ((n << 16) & 0xffff0000);
?
?????? return n;
}
?
int main(int argc,char* argv[])
{
?????? int i = 1;
?????? cout<<i<<" "<<bit_reverse(i)<<endl;
?????? return 0;
}
?????? return 0;
}