Compilare: main.cpp: In function 'void schimba(int, int)': main.cpp:13:8: warning: unused variable 'i' [-Wunused-variable] 13 | int i, j, l, c, nr[2] = {0,0}; | ^ main.cpp:13:11: warning: unused variable 'j' [-Wunused-variable] 13 | int i, j, l, c, nr[2] = {0,0}; | ^ main.cpp:13:14: warning: unused variable 'l' [-Wunused-variable] 13 | int i, j, l, c, nr[2] = {0,0}; | ^ main.cpp:13:17: warning: unused variable 'c' [-Wunused-variable] 13 | int i, j, l, c, nr[2] = {0,0}; | ^ main.cpp:14:9: warning: unused variable 'matt' [-Wunused-variable] 14 | bool matt[2][2] = {{0,0}, {0,0}}, h=1; | ^~~~ main.cpp:14:38: warning: unused variable 'h' [-Wunused-variable] 14 | bool matt[2][2] = {{0,0}, {0,0}}, h=1; | ^ main.cpp: In function 'int32_t main()': main.cpp:66:22: warning: unused variable 'nr' [-Wunused-variable] 66 | int i, j, x, lg, nr=0; | ^~