Compilare: user.cpp: In function ‘void update(int, int, int, int, int)’: user.cpp:24:20: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] else update(nod<<1+1,mij+1,dr,poz,val); ^ user.cpp:25:23: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] if(t[nod<<1]>t[nod<<1+1]) ^ user.cpp:27:22: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] else t[nod]=t[nod<<1+1]; ^ user.cpp: In function ‘int query(int, int, int, int, int)’: user.cpp:39:29: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] sol=mx(sol,query(nod<<1+1,mij+1,dr,x,y)); ^