Compilare: main.cpp: In function 'NodTrie* NodNou()': main.cpp:25:1: warning: no return statement in function returning non-void [-Wreturn-type] 25 | } | ^ main.cpp: In function 'void AdaugaInTrie(NodTrie*, const std::string&, int)': main.cpp:35:17: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 35 | if(s.size() == poz) { | ~~~~~~~~~^~~~~~ main.cpp:40:25: warning: array subscript has type 'char' [-Wchar-subscripts] 40 | if(NULL == nod->fii[lit]) { | ^~~ main.cpp:41:18: warning: array subscript has type 'char' [-Wchar-subscripts] 41 | nod->fii[lit] = NodNou(); | ^~~ main.cpp:44:27: warning: array subscript has type 'char' [-Wchar-subscripts] 44 | AdaugaInTrie(nod->fii[lit], s, 1 + poz); | ^~~ main.cpp: In function 'bool StergeInTrie(NodTrie*, const std::string&, int)': main.cpp:48:17: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 48 | if(s.size() == poz) { | ~~~~~~~~~^~~~~~ main.cpp:53:25: warning: array subscript has type 'char' [-Wchar-subscripts] 53 | if(NULL == nod->fii[lit]) return false; | ^~~ main.cpp:55:30: warning: array subscript has type 'char' [-Wchar-subscripts] 55 | if(StergeInTrie(nod->fii[lit], s, 1 + poz)) { | ^~~ main.cpp:56:28: warning: array subscript has type 'char' [-Wchar-subscripts] 56 | StergeNod(nod->fii[lit]); | ^~~ main.cpp:57:18: warning: array subscript has type 'char' [-Wchar-subscripts] 57 | nod->fii[lit] = NULL; | ^~~ main.cpp: In function 'int CautaFrecventa(NodTrie*, const std::string&, int)': main.cpp:66:17: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 66 | if(s.size() == poz) return nod->nrCuv; | ~~~~~~~~~^~~~~~ main.cpp:68:25: warning: array subscript has type 'char' [-Wchar-subscripts] 68 | if(NULL == nod->fii[lit]) return 0; | ^~~ main.cpp:69:36: warning: array subscript has type 'char' [-Wchar-subscripts] 69 | return CautaFrecventa(nod->fii[lit], s, 1 + poz); | ^~~ main.cpp: In function 'int CautaPrefMax(NodTrie*, const std::string&, int)': main.cpp:73:17: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 73 | if(s.size() == poz) return poz; | ~~~~~~~~~^~~~~~ main.cpp:75:25: warning: array subscript has type 'char' [-Wchar-subscripts] 75 | if(NULL == nod->fii[lit]) return poz; | ^~~