Compilare: main.cpp: In function 'int main()': main.cpp:103:17: warning: unused variable 'nr' [-Wunused-variable] 103 | int nr = primes[sol[0]]; | ^~ main.cpp:108:13: warning: unused variable 'red' [-Wunused-variable] 108 | int red = 1, aux, st, dr; | ^~~ main.cpp:108:22: warning: unused variable 'aux' [-Wunused-variable] 108 | int red = 1, aux, st, dr; | ^~~ main.cpp:108:27: warning: unused variable 'st' [-Wunused-variable] 108 | int red = 1, aux, st, dr; | ^~ main.cpp:108:31: warning: unused variable 'dr' [-Wunused-variable] 108 | int red = 1, aux, st, dr; | ^~