Compilare: user.cpp: In function ‘int main()’: user.cpp:9:32: warning: variable ‘x1’ set but not used [-Wunused-but-set-variable] double x,y,T,i,min,max,d=2,x1,y1,aux,k=0,j; ^ user.cpp:9:35: warning: variable ‘y1’ set but not used [-Wunused-but-set-variable] double x,y,T,i,min,max,d=2,x1,y1,aux,k=0,j; ^ user.cpp:9:38: warning: unused variable ‘aux’ [-Wunused-variable] double x,y,T,i,min,max,d=2,x1,y1,aux,k=0,j; ^ user.cpp:9:42: warning: unused variable ‘k’ [-Wunused-variable] double x,y,T,i,min,max,d=2,x1,y1,aux,k=0,j; ^ user.cpp:9:46: warning: unused variable ‘j’ [-Wunused-variable] double x,y,T,i,min,max,d=2,x1,y1,aux,k=0,j; ^