Compilare: user.cpp: In function ‘void Read()’: user.cpp:17:9: warning: unused variable ‘d’ [-Wunused-variable] int d; ^ user.cpp: In function ‘void Solve()’: user.cpp:42:11: warning: unused variable ‘p1’ [-Wunused-variable] int d,p1,p2,q1,q2,i,val; ^ user.cpp:42:14: warning: unused variable ‘p2’ [-Wunused-variable] int d,p1,p2,q1,q2,i,val; ^ user.cpp:42:17: warning: unused variable ‘q1’ [-Wunused-variable] int d,p1,p2,q1,q2,i,val; ^ user.cpp:42:20: warning: unused variable ‘q2’ [-Wunused-variable] int d,p1,p2,q1,q2,i,val; ^