Merge branch 'main' into hotfix

src/Runtime.cpp

@@ -437,6 +437,17 @@ void Runtime::handle_process(Process p) {
       Student s = *itr;
       OperationResult res = s.verify_add(target);
       if (res == OperationResult::Success) {
+        // Balanced classes | O(n)
+        std::vector<uint64_t> occupancy;
+        for (ClassSchedule* class_ : this->find_uc(parse_uc_gen(ops[1]))) {
+          occupancy.push_back(class_->get_student_count());
+        }
+        auto [min, max] = std::minmax_element(occupancy.begin(), occupancy.end());
+        if (*max - *min > 4) {
+          std::cerr << "ERROR: Critical conflicts found: the classes will not be balanced. Skipping." << std::endl;
+          return;
+        }
+
         students.erase(s);
         s.add_to_class(target);
         students.insert(s);

src/Student.cpp

@@ -93,15 +93,6 @@ OperationResult Student::verify_add(ClassSchedule *c) {
       return OperationResult::Error;
   }
 
-  // Balanced classes | O(n)
-  std::vector<uint64_t> occupancy;
-  for (ClassSchedule* class_ : this->get_schedule()) {
-    occupancy.push_back(class_->get_student_count());
-  }
-  occupancy.push_back(c->get_student_count());
-  auto [min, max] = std::minmax_element(occupancy.begin(), occupancy.end());
-  if (*max - *min > 4) return OperationResult::Error;
-
   // No time conflicts | O(n²)
   std::vector<ClassSchedule *> c_sched = this->get_schedule();
   c_sched.push_back(c);