foo.cc: In function 'int main()':
foo.cc:21:24: warning: 'q' may be used uninitialized in this function [-Wmaybe-uninitialized]
            cout<<p<<" "<<q;
            ~~~~~~~~~~~~^~~
foo.cc:21:21: warning: 'p' may be used uninitialized in this function [-Wmaybe-uninitialized]
            cout<<p<<" "<<q;
                     ^~~

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。