Compilare: main.cpp: In function 'int main()': main.cpp:7:9: warning: unused variable 'dr' [-Wunused-variable] {double dr=1,st,d,vf,p,i=0,vx,hx,gx,vy,hy,gy; ^~ main.cpp:7:14: warning: variable 'st' set but not used [-Wunused-but-set-variable] {double dr=1,st,d,vf,p,i=0,vx,hx,gx,vy,hy,gy; ^~ main.cpp:7:22: warning: variable 'p' set but not used [-Wunused-but-set-variable] {double dr=1,st,d,vf,p,i=0,vx,hx,gx,vy,hy,gy; ^ main.cpp:7:24: warning: unused variable 'i' [-Wunused-variable] {double dr=1,st,d,vf,p,i=0,vx,hx,gx,vy,hy,gy; ^