Compilare: main.cpp: In member function 'void BinarySearchtree::insertElement(int)': main.cpp:82:15: warning: unused variable 'parentNode' [-Wunused-variable] 82 | Node* parentNode = nullptr; | ^~~~~~~~~~ main.cpp: In member function 'int BinarySearchtree::cerinta4(int)': main.cpp:221:12: warning: 'ans' may be used uninitialized [-Wmaybe-uninitialized] 221 | return ans; | ^~~ main.cpp:209:9: note: 'ans' was declared here 209 | int ans; | ^~~ main.cpp: In member function 'int BinarySearchtree::cerinta5(int)': main.cpp:239:12: warning: 'ans' may be used uninitialized [-Wmaybe-uninitialized] 239 | return ans; | ^~~ main.cpp:226:9: note: 'ans' was declared here 226 | int ans; | ^~~