Compilare: user.cpp: In function ‘void Read()’: user.cpp:21:16: warning: variable ‘fracpart’ set but not used [-Wunused-but-set-variable] double fracpart,intpart; ^ user.cpp: In function ‘void Browse()’: user.cpp:55:9: warning: unused variable ‘p1’ [-Wunused-variable] int p1=1,p2=2; ^ user.cpp:55:14: warning: unused variable ‘p2’ [-Wunused-variable] int p1=1,p2=2; ^ user.cpp:56:35: warning: variable ‘fracpart’ set but not used [-Wunused-but-set-variable] double L=(2*M_PI*R)/K,intpart,fracpart; ^