Compilare: main.cpp: In function 'int main()': main.cpp:14:26: warning: variable 'umax' set but not used [-Wunused-but-set-variable] int n,x,smax,pc,pmax,umax,vmax; ^~~~ main.cpp:14:13: warning: 'smax' may be used uninitialized in this function [-Wmaybe-uninitialized] int n,x,smax,pc,pmax,umax,vmax; ^~~~ main.cpp:35:33: warning: 'vmax' may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<smax<<" "<<pmax<<" "<<vmax; ^