Compilare: user.cpp: In function ‘int query_aib(int)’: user.cpp:19:18: warning: unused variable ‘rez2’ [-Wunused-variable] int rez1 = 0,rez2 = 0; ^ user.cpp: In function ‘void dfs(int)’: user.cpp:30:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < v[nod].size(); i ++ ){ ^ user.cpp: In function ‘int main()’: user.cpp:42:9: warning: unused variable ‘x’ [-Wunused-variable] int x,a,b,t,q,knot,new_val,knot_one,knot_two,dif,sum_a,sum_b,sum_lca,lun,lca,rezultat; ^