/in/foo.cc: In function 'void Spfa()':
/in/foo.cc:51:3: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   if (inq[u]) continue ; inq[u] = true;
   ^~
/in/foo.cc:51:26: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
   if (inq[u]) continue ; inq[u] = true;
                          ^~~