Compilare: user.cpp: In function ‘int main()’: user.cpp:10:57: warning: unused variable ‘aux’ [-Wunused-variable] int n,k,xs[100001],ys[100001],xd[100001],yd[100001],i,j,aux,aux2,m,ok,x,y; ^ user.cpp:10:61: warning: unused variable ‘aux2’ [-Wunused-variable] int n,k,xs[100001],ys[100001],xd[100001],yd[100001],i,j,aux,aux2,m,ok,x,y; ^ user.cpp:10:68: warning: unused variable ‘ok’ [-Wunused-variable] int n,k,xs[100001],ys[100001],xd[100001],yd[100001],i,j,aux,aux2,m,ok,x,y; ^ user.cpp:67:13: warning: ‘y’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<x<<" "<<y; ^ user.cpp:58:21: warning: ‘x’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(x>xd[j]){ ^