/in/foo.cc: In function 'void DIJ(int)':
/in/foo.cc:40:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
      for(int x=0;x<g[i].size();x++){
                  ~^~~~~~~~~~~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:87:19: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
  printf("%d\n",Ans);
                   ^