foo.cc: In function 'int main()':
foo.cc:54:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld%lld%lld",&n,&m,&h);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
foo.cc:58:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld%lld%lld%lld",&x,&y,&k,&b);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
foo.cc:62:9: warning: 'rr' may be used uninitialized in this function [-Wmaybe-uninitialized]
  int ll,rr;
         ^~
foo.cc:62:6: warning: 'll' may be used uninitialized in this function [-Wmaybe-uninitialized]
  int ll,rr;
      ^~

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。