Borderou de evaluare (job #676815)

Compilare: main.cpp: In constructor 'tree_node::tree_node(char)': main.cpp:16:34: warning: 'tree_node::last_sibling' will be initialized after [-Wreorder] 16 | tree_node *child, *sibling, *last_sibling; | ^~~~~~~~~~~~ main.cpp:14:9: warning: 'int tree_node::size' [-Wreorder] 14 | int size; | ^~~~ main.cpp:18:5: warning: when initialized here [-Wreorder] 18 | tree_node(char type) : | ^~~~~~~~~ main.cpp: In function 'int main()': main.cpp:102:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 102 | for (int i = 1; i < tree_str.size(); i++) { | ~~^~~~~~~~~~~~~~~~~