Compilare: user.cpp: In constructor ‘arbint::arbint(int)’: user.cpp:21:31: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] arb = new int[1 << lg + 1]; ^ user.cpp: In member function ‘void arbore::DFS(int, int)’: user.cpp:200:37: warning: ‘ind’ may be used uninitialized in this function [-Wmaybe-uninitialized] lantNr[current] = lantNr[ind]; ^ user.cpp: In function ‘int main()’: user.cpp:200:37: warning: ‘ind’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:186:27: note: ‘ind’ was declared here int maxHeavy = 0, ind; ^