Compilare: main.cpp: In function 'int32_t main()': main.cpp:49:31: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 49 | for (int i = 0; i < s.size(); i++) { | ~~^~~~~~~~~~ main.cpp:57:17: warning: 'seg.SegTree::rChild' may be used uninitialized in this function [-Wmaybe-uninitialized] 57 | SegTree seg(1 , n); | ^~~ main.cpp:57:17: warning: 'seg.SegTree::lChild' may be used uninitialized in this function [-Wmaybe-uninitialized]