Compilare: user.cpp: In function ‘void reading_solve()’: user.cpp:24:18: warning: suggest parentheses around assignment used as truth value [-Wparentheses] dmin[n]=viz[n]=z=0; ^ user.cpp:13:28: warning: ‘nod’ may be used uninitialized in this function [-Wmaybe-uninitialized] int x,y,z,i,n,maxi=0,lm,nod,best=999999999; ^ user.cpp:47:7: warning: ‘lm’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (lant[i]!=lm) maxim[i]=maxi+dmin[i]; ^