/in/foo.cc: In function 'long long int dijskra(long long int)':
/in/foo.cc:50:3: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   if (vis[u]) continue; vis[u] = true;
   ^~
/in/foo.cc:50:25: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
   if (vis[u]) continue; vis[u] = true;
                         ^~~