Compilare: main.cpp: In function 'int main()': main.cpp:31:13: warning: unused variable 'a' [-Wunused-variable] 31 | int a,b,c,d,e,f,g,h; | ^ main.cpp:31:15: warning: unused variable 'b' [-Wunused-variable] 31 | int a,b,c,d,e,f,g,h; | ^ main.cpp:31:17: warning: unused variable 'c' [-Wunused-variable] 31 | int a,b,c,d,e,f,g,h; | ^ main.cpp:31:19: warning: unused variable 'd' [-Wunused-variable] 31 | int a,b,c,d,e,f,g,h; | ^ main.cpp:31:21: warning: unused variable 'e' [-Wunused-variable] 31 | int a,b,c,d,e,f,g,h; | ^ main.cpp:31:23: warning: unused variable 'f' [-Wunused-variable] 31 | int a,b,c,d,e,f,g,h; | ^ main.cpp:31:25: warning: unused variable 'g' [-Wunused-variable] 31 | int a,b,c,d,e,f,g,h; | ^ main.cpp:31:27: warning: unused variable 'h' [-Wunused-variable] 31 | int a,b,c,d,e,f,g,h; | ^