foo.cc: In function 'void dijkstra(int, int)':
foo.cc:33:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<G[p].size();i++){
                  ^
foo.cc: In function 'int main()':
foo.cc:46:67: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   for(int i=1;i<=n;i++) scanf("%lf %lf",&point[i][0],&point[i][1]);
                                                                   ^
foo.cc:49:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&v1,&v2);
                           ^

自豪的采用 HydroJudger 进行评测(github.com/hydro-dev/HydroJudger)

{"receive":"2020-03-25T14:28:19.263Z","handle":"2020-03-25T14:28:19.263Z","cache_start":"2020-03-25T14:28:19.293Z","read_cases":"2020-03-25T14:28:20.083Z","judge":"2020-03-25T14:28:20.083Z","done":"2020-03-25T14:28:24.517Z"}