View Compilation Error

0_0_19777201_10769.cpp: In member function 'long long int SegTree::count(long long int, long long int, long long int)':
0_0_19777201_10769.cpp:116:28: error: invalid operands of types 'void*' and 'void' to binary 'operator/'
         query(s+len-d-1,s+d);
                            ^