Eroare de compilare: main.cpp: In member function 'void Fenwick::update(long long int, long long int)': main.cpp:99:25: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 99 | for(;pos<fw.size(); pos+=jump(pos)) fw[pos] += val; | ~~~^~~~~~~~~~ main.cpp: In member function 'void Sift::insert(long long int)': main.cpp:131:43: error: 'pos' was not declared in this scope; did you mean 'pow'? 131 | void insert(ll val){fw.update(ind(pos),1);} | ^~~ | pow Non zero exit status: 1