Accepted
/in/foo.cc: In member function 'bool poi::insert(int)': /in/foo.cc:25:53: warning: operation on 'ind' may be undefined [-Wsequence-point] while(va[ind].first&&va[ind].second!=num)ind=((++ind)%maxva); ~~~^~~~~~~~~~~~~~~~
/in/foo.cc: In member function 'bool poi::insert(int)': /in/foo.cc:25:53: warning: operation on 'ind' may be undefined [-Wsequence-point] while(va[ind].first&&va[ind].second!=num)ind=((++ind)%maxva); ~~~^~~~~~~~~~~~~~~~