Compilare: user.cpp: In function ‘int main()’: user.cpp:18:22: warning: variable ‘aux’ set but not used [-Wunused-but-set-variable] double R, S, aux; ^ user.cpp:29:16: warning: unused variable ‘start’ [-Wunused-variable] double start = 0; ^ user.cpp:30:16: warning: unused variable ‘end’ [-Wunused-variable] double end = alfa; ^ user.cpp:31:16: warning: unused variable ‘auxAngle’ [-Wunused-variable] double auxAngle = 0; ^