foo.cc: In function 'int main()':
foo.cc:22:8: warning: 'LCM' may be used uninitialized in this function [-Wmaybe-uninitialized]
  cout<<LCM<<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。