/in/foo.cc:9:0: warning: ignoring #pragma comment  [-Wunknown-pragmas]
 #pragma comment(linker,"/STACK:102400000,1024000")
 
/in/foo.cc: In function 'void dijkstra()':
/in/foo.cc:95:6: warning: unused variable 'bbb' [-Wunused-variable]
  int bbb=0;
      ^~~
/in/foo.cc: In function 'const void find_ans(long long int*, long long int)':
/in/foo.cc:161:44: warning: too many arguments for format [-Wformat-extra-args]
  else printf("Case #lld: %lld\n",num,answer);
                                            ^