Compilare: user.cpp: In function ‘void Caz2()’: user.cpp:90:9: warning: variable ‘i’ set but not used [-Wunused-but-set-variable] int i,j,aux; ^ user.cpp: In function ‘void Caz3()’: user.cpp:118:9: warning: variable ‘i’ set but not used [-Wunused-but-set-variable] int i,j,aux; ^ user.cpp: In function ‘int main()’: user.cpp:174:9: warning: unused variable ‘i’ [-Wunused-variable] int i; ^