Compilare: main.cpp: In function 'int main()': main.cpp:33:9: warning: unused variable 'a' [-Wunused-variable] 33 | int a,b,c; | ^ main.cpp:33:11: warning: unused variable 'b' [-Wunused-variable] 33 | int a,b,c; | ^ main.cpp:33:13: warning: unused variable 'c' [-Wunused-variable] 33 | int a,b,c; | ^