Eroare de compilare: main.cpp: In function 'void adauga(Trie*, char*)': main.cpp:2:13: error: invalid operands of types 'char*' and 'char*' to binary 'operator*' #define ch s*s-'a' ~^~ main.cpp:30:13: note: in expansion of macro 'ch' if(p->fii[ch]==NULL) ^~ main.cpp:2:13: error: invalid operands of types 'char*' and 'char*' to binary 'operator*' #define ch s*s-'a' ~^~ main.cpp:32:11: note: in expansion of macro 'ch' p->fii[ch]=new Trie(); ^~ main.cpp:2:13: error: invalid operands of types 'char*' and 'char*' to binary 'operator*' #define ch s*s-'a' ~^~ main.cpp:34:17: note: in expansion of macro 'ch' adauga(p->fii[ch],s+1); ^~ main.cpp: In function 'void elimina(Trie*, char*)': main.cpp:2:13: error: invalid operands of types 'char*' and 'char*' to binary 'operator*' #define ch s*s-'a' ~^~ main.cpp:47:18: note: in expansion of macro 'ch' elimina(p->fii[ch],s+1); ^~ main.cpp: In function 'int calculeaza(Trie*, char*)': main.cpp:54:4: error: no match for 'operator<<' (operand types are 'std::ifstream {aka std::basic_ifstream<char>}' and 'short int') f<<p->rasp<<"\n"; ~^~~~~~~~~ main.cpp:54:4: note: candidate: operator<<(int, int) <built-in> main.cpp:54:4: note: no known conversion for argument 1 from 'std::ifstream {aka std::basic_ifstream<char>}' to 'int' In file included from /usr/include/c++/6/string:52:0, from /usr/include/c++/6/bits/locale_classes.h:40, from /usr/include/c++/6/bits/ios_base.h:41, from /usr/include/c++/6/ios:42, from /usr/include/c++/6/istream:38, from /usr/include/c++/6/fstream:38, from main.cpp:1: /usr/include/c++/6/bits/basic_string.h:5340:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&) operator<<(basic_ostream<_CharT, _Traits>& __os, ^~~~~~~~ /usr/include/c++/6/bits/basic_string.h:5340:5: note: template argument deduction/substitution failed: main.cpp:54:9: note: 'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>' f<<p->rasp<<"\n"; ^~~~ In file included from /usr/include/c++/6/bits/ios_base.h:46:0, from /usr/include/c++/6/ios:42, from /usr/include/c++/6/istream:38, from /usr/include/c++/6/fstream:38,