Compilare: main.cpp: In member function 'void Nod::remove(int)': main.cpp:234:63: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (index > 0 && children[index - 1]->keys.size() >= degree) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~ main.cpp:238:68: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (index != n && children[index + 1]->keys.size() >= degree) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~ main.cpp: In member function 'void Nod::traverse()': main.cpp:401:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if (leaf == false) ^~ main.cpp:403:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' if (keys[i] > x && keys[i] < y) ^~ main.cpp: In member function 'int BTree::Pred(int)': main.cpp:419:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(pozitie < nod->keys.size() && elem < nod->keys[pozitie]) ~~~~~~~~^~~~~~~~~~~~~~~~~~ main.cpp: In member function 'int BTree::Succ(int)': main.cpp:448:13: warning: 'pozitie' may be used uninitialized in this function [-Wmaybe-uninitialized] int pozitie; ^~~~~~~