Compilare: user.cpp: In function ‘void arie()’: user.cpp:80:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j; ^ user.cpp:81:12: warning: unused variable ‘b’ [-Wunused-variable] double b,h1,h2,d12,d23,d13,a1,a2,sp; ^ user.cpp:81:14: warning: unused variable ‘h1’ [-Wunused-variable] double b,h1,h2,d12,d23,d13,a1,a2,sp; ^ user.cpp:81:17: warning: unused variable ‘h2’ [-Wunused-variable] double b,h1,h2,d12,d23,d13,a1,a2,sp; ^ user.cpp:81:20: warning: unused variable ‘d12’ [-Wunused-variable] double b,h1,h2,d12,d23,d13,a1,a2,sp; ^ user.cpp:81:24: warning: unused variable ‘d23’ [-Wunused-variable] double b,h1,h2,d12,d23,d13,a1,a2,sp; ^ user.cpp:81:32: warning: unused variable ‘a1’ [-Wunused-variable] double b,h1,h2,d12,d23,d13,a1,a2,sp; ^ user.cpp:81:35: warning: variable ‘a2’ set but not used [-Wunused-but-set-variable] double b,h1,h2,d12,d23,d13,a1,a2,sp; ^ user.cpp:81:38: warning: unused variable ‘sp’ [-Wunused-variable] double b,h1,h2,d12,d23,d13,a1,a2,sp; ^ user.cpp:82:18: warning: unused variable ‘p22’ [-Wunused-variable] par p1,p2,p3,p22; ^