prepare (1/3): 
finished

make (2/3): 
g++ -g -Wall -o main.o -c main.cpp 
main.cpp: In function 'int main(int, char**)':
main.cpp:70:9: warning: 'pq' may be used uninitialized in this function [-Wmaybe-uninitialized]
  delete pq;
         ^~
g++ -g -Wall -o simulation.o -c simulation.cpp 
simulation.cpp: In member function 'void virusSimulation::run()':
simulation.cpp:46:10: warning: deleting object of polymorphic class type 'infect' which has non-virtual destructor might cause undefined behavior [-Wdelete-non-virtual-dtor]
   delete Ievent;
          ^~~~~~
simulation.cpp:52:11: warning: deleting object of abstract class type 'event' which has non-virtual destructor will cause undefined behavior [-Wdelete-non-virtual-dtor]
    delete temp;
           ^~~~
simulation.cpp:58:10: warning: deleting object of abstract class type 'event' which has non-virtual destructor will cause undefined behavior [-Wdelete-non-virtual-dtor]
   delete temp;
          ^~~~
g++ -g -Wall -o event.o -c event.cpp 
g++ -g -Wall -o main main.o simulation.o event.o
finished

clean (3/3): 
finished

all task finished, build successfully