/in/foo.cc: In function 'void dijkstra(int)':
/in/foo.cc:34:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int k = 0; k < g[i].size(); k++) {
                   ~~^~~~~~~~~~~~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:61:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for (int j = 0; j < sus[i].size(); j++) {
                    ~~^~~~~~~~~~~~~~~
/in/foo.cc:68:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < Ans.size(); i++) {
                  ~~^~~~~~~~~~~~