Compilare: main.cpp: In function 'void update(int, int, int, int, int)': main.cpp:33:9: warning: unused variable 'mij' [-Wunused-variable] 33 | int mij; | ^~~ main.cpp: In function 'int main()': main.cpp:66:19: warning: unused variable 'st' [-Wunused-variable] 66 | int n, n2, i, st, dr, mij, q; | ^~ main.cpp:66:23: warning: unused variable 'dr' [-Wunused-variable] 66 | int n, n2, i, st, dr, mij, q; | ^~ main.cpp:66:27: warning: unused variable 'mij' [-Wunused-variable] 66 | int n, n2, i, st, dr, mij, q; | ^~~