Fix TC to update correctly, and move all to-hook children on the stack

algorithm/king.h

@@ -57,7 +57,7 @@ template<typename T>
 void King<T>::remove(const T& u, const T& v) {
   this->G.remove(u, v);
   for (const auto& w : this->G.vertices()) {
-    In[w].remove(u, v);
+    In[w].remove(v, u);
     Out[w].remove(u, v);
   }
 }