Compilare: main.cpp: In function 'int main()': main.cpp:27:9: warning: variable 'elem' set but not used [-Wunused-but-set-variable] 27 | int elem, plusz, minusz; | ^~~~ main.cpp:27:15: warning: unused variable 'plusz' [-Wunused-variable] 27 | int elem, plusz, minusz; | ^~~~~ main.cpp:27:22: warning: unused variable 'minusz' [-Wunused-variable] 27 | int elem, plusz, minusz; | ^~~~~~