Compilare: main.cpp: In function 'trieNode* getNode(trieNode*&)': main.cpp:27:58: warning: passing NULL to non-pointer argument 2 of 'void* memset(void*, int, size_t)' [-Wconversion-null] memset(aux -> children, NULL, sizeof(aux -> children)); ^ main.cpp: In function 'void Insert(trieNode*&, std::__cxx11::string)': main.cpp:36:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<key.size(); i++) ~^~~~~~~~~~~ main.cpp: In function 'void UpdateRelevance(trieNode*&, std::__cxx11::string, int)': main.cpp:63:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<key.size(); i++) ~^~~~~~~~~~~ main.cpp: In function 'void Insert(trieNode*&, std::__cxx11::string)': main.cpp:38:13: warning: 'index' may be used uninitialized in this function [-Wmaybe-uninitialized] int index; ^~~~~ main.cpp: In function 'void UpdateRelevance(trieNode*&, std::__cxx11::string, int)': main.cpp:74:13: warning: 'index' may be used uninitialized in this function [-Wmaybe-uninitialized] aux = aux -> children[index]; ~~~~^~~~~~~~~~~~~~~~~~~~~~~~