Compilare: main.cpp: In member function 'void Tree::afis(int, TreeNode*)': main.cpp:41:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<TreeNode*>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 41 | for(int i = 0; i < node->p.size(); i ++) | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'bool Tree::search(int)': main.cpp:64:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 64 | for(i = 0; i < node->keys.size(); i ++) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Tree::insert(int)': main.cpp:88:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 88 | for(i = 0; i < node->keys.size(); i ++) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Tree::remove(int)': main.cpp:136:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 136 | for(i = 0; i < node->keys.size(); i ++) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:139:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 139 | if(x == node->keys[i] and i < node->keys.size()) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:174:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<TreeNode*>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 174 | for(int j = 0; j < parinte->p.size(); j ++) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:206:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<TreeNode*>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 206 | for(int j = 0; j < parinte->p.size(); j ++) | ~~^~~~~~~~~~~~~~~~~~~