Compilare: main.cpp: In function 'int main()': main.cpp:30:9: warning: unused variable 'st' [-Wunused-variable] 30 | int st, dr, mij; | ^~ main.cpp:30:13: warning: unused variable 'dr' [-Wunused-variable] 30 | int st, dr, mij; | ^~ main.cpp:30:17: warning: unused variable 'mij' [-Wunused-variable] 30 | int st, dr, mij; | ^~~ main.cpp:31:15: warning: variable 's' set but not used [-Wunused-but-set-variable] 31 | long long s; | ^