Compilare: main.cpp: In function 'void rang_1_si_2(bool*)': main.cpp:20:17: warning: unused variable 'nr_max' [-Wunused-variable] 20 | int nr = 0, nr_max = 0; | ^~~~~~ main.cpp: In function 'void rang_3_si_4(bool*)': main.cpp:47:17: warning: unused variable 'nr_max' [-Wunused-variable] 47 | int nr = 0, nr_max = 0, nr_elem_max = 0, nr_elem = 0; | ^~~~~~ main.cpp:47:29: warning: unused variable 'nr_elem_max' [-Wunused-variable] 47 | int nr = 0, nr_max = 0, nr_elem_max = 0, nr_elem = 0; | ^~~~~~~~~~~