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 function 'int main()': main.cpp:154:20: error: 'class Sift' has no member named 'insert' 154 | sf.insert(v[i]); | ^~~~~~ Non zero exit status: 1