/in/foo.cc: In function 'void solve(int, int, int)':
/in/foo.cc:78:24: error: 'll' was not declared in this scope
  if(dijkstra(u, v, n,  ll) != dijkstra(u, v, n, 1000000ll)) {
                        ^~
/in/foo.cc:88:28: warning: format '%d' expects argument of type 'int', but argument 3 has type 'long long int' [-Wformat=]
  printf("%d %d\n", tot, ans);
                            ^