Eroare de compilare: main.cpp: In member function 'void fenwick_tree::update(int32, int32)': main.cpp:18:35: warning: comparison of integer expressions of different signedness: 'int32' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | for (int32 i = pos + 1; i < tree.size(); i += lsbl(i)) { | ~~^~~~~~~~~~~~~ main.cpp: At global scope: main.cpp:42:5: error: 'int16' does not name a type 42 | int16 x; | ^~~~~ main.cpp:43:5: error: 'int16' does not name a type 43 | int16 y; | ^~~~~ main.cpp: In function 'int main()': main.cpp:53:12: error: 'int16' was not declared in this scope 53 | vector<int16> v(n); | ^~~~~ main.cpp:53:17: error: template argument 1 is invalid 53 | vector<int16> v(n); | ^ main.cpp:53:17: error: template argument 2 is invalid main.cpp:54:20: error: 'begin' was not declared in this scope 54 | for (auto &e : v) { cin >> e; } | ^ main.cpp:54:20: note: suggested alternatives: In file included from /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/stdc++.h:95, from main.cpp:1: /usr/include/c++/12.2.1/valarray:1226:5: note: 'std::begin' 1226 | begin(const valarray<_Tp>& __va) noexcept | ^~~~~ In file included from /usr/include/c++/12.2.1/string_view:50, from /usr/include/c++/12.2.1/bits/basic_string.h:47, from /usr/include/c++/12.2.1/string:53, from /usr/include/c++/12.2.1/bits/locale_classes.h:40, from /usr/include/c++/12.2.1/bits/ios_base.h:41, from /usr/include/c++/12.2.1/ios:42, from /usr/include/c++/12.2.1/istream:38, from /usr/include/c++/12.2.1/sstream:38, from /usr/include/c++/12.2.1/complex:45, from /usr/include/c++/12.2.1/ccomplex:39, from /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/stdc++.h:54: /usr/include/c++/12.2.1/bits/ranges_base.h:566:44: note: 'std::ranges::__cust::begin' 566 | inline constexpr __cust_access::_Begin begin{}; | ^~~~~ In file included from /usr/include/c++/12.2.1/filesystem:46, from /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/stdc++.h:129: /usr/include/c++/12.2.1/bits/fs_dir.h:576:3: note: 'std::filesystem::__cxx11::begin' 576 | begin(recursive_directory_iterator __iter) noexcept | ^~~~~ In file included from /usr/include/c++/12.2.1/bits/stl_iterator_base_types.h:71, from /usr/include/c++/12.2.1/bits/stl_algobase.h:65, from /usr/include/c++/12.2.1/bits/specfun.h:45, Non zero exit status: 1