Compilare: user.cpp: In function ‘void RMQ(long int, long int)’: user.cpp:20:27: warning: variable ‘z’ set but not used [-Wunused-but-set-variable] int x,y,z; ^ user.cpp: In function ‘int main()’: user.cpp:46:13: warning: unused variable ‘h’ [-Wunused-variable] { long m,n,h,w,t,nr,i,j,k,l,ma=-1,a,b; ^ user.cpp:46:15: warning: unused variable ‘w’ [-Wunused-variable] { long m,n,h,w,t,nr,i,j,k,l,ma=-1,a,b; ^ user.cpp:46:17: warning: unused variable ‘t’ [-Wunused-variable] { long m,n,h,w,t,nr,i,j,k,l,ma=-1,a,b; ^ user.cpp:46:19: warning: unused variable ‘nr’ [-Wunused-variable] { long m,n,h,w,t,nr,i,j,k,l,ma=-1,a,b; ^ user.cpp:46:26: warning: unused variable ‘k’ [-Wunused-variable] { long m,n,h,w,t,nr,i,j,k,l,ma=-1,a,b; ^ user.cpp:46:30: warning: unused variable ‘ma’ [-Wunused-variable] { long m,n,h,w,t,nr,i,j,k,l,ma=-1,a,b; ^