foo.cc: In function 'int main()':
foo.cc:2:45: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
 using namespace std;int main(){int a,b;scanf("%d %d",&a,&b);printf("%d",a + b);return 0;}
                                        ~~~~~^~~~~~~~~~~~~~~

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。