View Compilation Error

0_0_25712747_7185.cpp: In function 'int query(int)':
0_0_25712747_7185.cpp:27:10: error: invalid operands of types 'int' and 'int(int)' to binary 'operator-'
         x-=lowbit[x];
          ^
0_0_25712747_7185.cpp:27:10: error:   in evaluation of 'operator-=(int, int(int))'