foo.cc: In function 'int main()':
foo.cc:59:19: warning: 'e' may be used uninitialized in this function [-Wmaybe-uninitialized]
     cout<<b<<' '<<e<<endl;
                   ^

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。