Compilare: main.cpp: In function 'int main()': main.cpp:50:18: warning: unused variable 'c1' [-Wunused-variable] 50 | char c1, c2, c3; | ^~ main.cpp:50:22: warning: unused variable 'c2' [-Wunused-variable] 50 | char c1, c2, c3; | ^~ main.cpp:50:26: warning: unused variable 'c3' [-Wunused-variable] 50 | char c1, c2, c3; | ^~ main.cpp:68:18: warning: unused variable 'b1' [-Wunused-variable] 68 | bool b1 = get_bit(c[j - 1], poz), b2 = get_bit(c[j - 1], comp[j][poz]), changed = 0; | ^~