Compilare: main.cpp: In function 'int main()': main.cpp:65:7: warning: unused variable 'x' [-Wunused-variable] int x = 0, y = 0, z = 0, dono, mx; ^ main.cpp:65:14: warning: unused variable 'y' [-Wunused-variable] int x = 0, y = 0, z = 0, dono, mx; ^ main.cpp:65:21: warning: unused variable 'z' [-Wunused-variable] int x = 0, y = 0, z = 0, dono, mx; ^