Compilare: main.cpp: In function 'void update(int, int)': main.cpp:17:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=poz;i<aib.size();i+=(-i)&i) aib[i] += val; ~^~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:45:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(curr<v.size() and v[curr].l<=q[i].first.first) { ~~~~^~~~~~~~~