Compilare: main.cpp: In function 'int main()': main.cpp:21:9: warning: unused variable 'p' [-Wunused-variable] 21 | int p, ok=0, h=0; | ^ main.cpp:21:12: warning: unused variable 'ok' [-Wunused-variable] 21 | int p, ok=0, h=0; | ^~ main.cpp:21:18: warning: unused variable 'h' [-Wunused-variable] 21 | int p, ok=0, h=0; | ^