Compilare: main.cpp: In member function 'void Tree::afis(int, TreeNode*)': main.cpp:43:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<TreeNode*>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 43 | for(int i = 0; i < node->p.size(); i ++) | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'bool Tree::search(int)': main.cpp:66:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 66 | for(i = 0; i < node->keys.size(); i ++) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Tree::insert(int)': main.cpp:90:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 90 | for(i = 0; i < node->keys.size(); i ++) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Tree::remove(int)': main.cpp:138:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 138 | for(i = 0; i < node->keys.size(); i ++) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:141:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 141 | if(x == node->keys[i] and i < node->keys.size()) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:176:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<TreeNode*>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 176 | for(int j = 0; j < parinte->p.size(); j ++) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:208:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<TreeNode*>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 208 | for(int j = 0; j < parinte->p.size(); j ++) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'int Tree::successor(int)': main.cpp:249:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 249 | for(i = 0; i < node->keys.size(); i ++) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:256:9: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 256 | if(i < node->keys.size()) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:263:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<TreeNode*>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 263 | if(i != node->p.size() - 1) | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'int Tree::predecessor(int)': main.cpp:279:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 279 | for(i = 0; i < node->keys.size(); i ++) | ~~^~~~~~~~~~~~~~~~~~~