foo.cc: In member function 'void MyClass::click()':
foo.cc:18:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int i=0; i <q.size(); i++)
                       ~~^~~~~~~~~
foo.cc: In member function 'void MyClass::_close()':
foo.cc:32:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int i=0;i<q.size();i++)
                     ~^~~~~~~~~
foo.cc: In member function 'void MyClass::move()':
foo.cc:42:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int i=0;i<q.size();i++)
                     ~^~~~~~~~~

正在同步测试数据，请稍后
自豪的采用HydroJudge(https://github.com/hydro-dev/Hydro)进行评测。