Compilare: main.cpp: In constructor 'SegmentTree::SegmentTree(const std::vector<int>&)': main.cpp:21:37: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 21 | size += (1 << size) < values.size(); | ~~~~~~~~~~~~^~~~~~~~~~~~~~~ main.cpp: In member function 'void SegmentTree::Build(const std::vector<int>&, int, int, int)': main.cpp:62:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 62 | if (lf >= values.size()) { | ~~~^~~~~~~~~~~~~~~~