#670
Preordine
Se dă un arbore binar care conține valori numere naturale. Să se afișeze valorile din arbore în urma parcurgerii în preordine.
Problema | Preordine | Operații I/O |
preordine.in /preordine.out
|
---|---|---|---|
Limita timp | 0.1 secunde | Limita memorie |
Total: 64 MB
/
Stivă 8 MB
|
Id soluție | #29114764 | Utilizator | |
Fișier | preordine.cpp | Dimensiune | 1.30 KB |
Data încărcării | 31 Martie 2021, 19:16 | Scor / rezultat | Eroare de compilare |
preordine.cpp: In function 'int main()': preordine.cpp:15:20: error: variable 'std::ifstream reader' has initializer but incomplete type ifstream reader("bifrunze.in"); ^ preordine.cpp:16:20: error: variable 'std::ofstream writer' has initializer but incomplete type ofstream writer("bifrunze.out"); ^ preordine.cpp: In function 'void preOrdine(Nod*, std::ofstream&)': preordine.cpp:59:11: error: no match for 'operator<<' (operand types are 'std::ofstream {aka std::basic_ofstream<char>}' and 'int') writer<<curent->val<<" "; ^ preordine.cpp:59:11: note: candidates are: In file included from /usr/include/c++/4.8/string:52:0, from /usr/include/c++/4.8/bits/locale_classes.h:40, from /usr/include/c++/4.8/bits/ios_base.h:41, from /usr/include/c++/4.8/ios:42, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from preordine.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2753:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::basic_string<_CharT, _Traits, _Alloc>&) operator<<(basic_ostream<_CharT, _Traits>& __os, ^ /usr/include/c++/4.8/bits/basic_string.h:2753:5: note: template argument deduction/substitution failed: preordine.cpp:59:21: note: 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>' writer<<curent->val<<" "; ^ In file included from /usr/include/c++/4.8/iostream:39:0, from preordine.cpp:1: /usr/include/c++/4.8/ostream:471:5: note: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, _CharT) operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c) ^ /usr/include/c++/4.8/ostream:471:5: note: template argument deduction/substitution failed: preordine.cpp:59:21: note: 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>' writer<<curent->val<<" "; ^ In file included from /usr/include/c++/4.8/iostream:39:0, from preordine.cpp:1: /usr/include/c++/4.8/ostream:476:5: note: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, char) operator<<(basic_ostream<_CharT, _Traits>& __out, char __c) ^ /usr/include/c++/4.8/ostream:476:5: note: template argument deduction/substitution failed: preordine.cpp:59:21: note: 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>' writer<<curent->val<<" "; ^ In file included from /usr/include/c++/4.8/iostream:39:0, from preordine.cpp:1: /usr/include/c++/4.8/ostream:482:5: note: template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, char) operator<<(basic_ostream<char, _Traits>& __out, char __c) ^ /usr/include/c++/4.8/ostream:482:5: note: template argument deduction/substitution failed: preordine.cpp:59:21: note: 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_ostream<char, _Traits>' writer<<curent->val<<" "; ^ In file included from /usr/include/c++/4.8/iostream:39:0, from preordine.cpp:1: /usr/include/c++/4.8/ostream:488:5: note: template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, signed char) operator<<(basic_ostream<char, _Traits>& __out, signed char __c) ^ /usr/include/c++/4.8/ostream:488:5: note: template argument deduction/substitution failed: preordine.cpp:59:21: note: 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_ostream<char, _Traits>' writer<<curent->val<<" "; ^ In file included from /usr/include/c++/4.8/iostream:39:0, from preordine.cpp:1: /usr/include/c++/4.8/ostream:493:5: note: template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, unsigned char) operator<<(basic_ostream<char, _Traits>& __out, unsigned char __c) ^ /usr/include/c++/4.8/ostream:493:5: note: template argument deduction/substitution failed: preordine.cpp:59:21: note: 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_ostream<char, _Traits>' writer<<curent->val<<" "; ^ In file included from /usr/include/c++/4.8/iostream:39:0, from preordine.cpp:1: /usr/include/c++/4.8/ostream:513:5: note: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const _CharT*) operator<<(basic_ostream<_CharT, _Traits>& __out, const _CharT* __s) ^ /usr/include/c++/4.8/ostream:513:5: note: template argument deduction/substitution failed: preordine.cpp:59:21: note: 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>' writer<<curent->val<<" "; ^ In file included from /usr/include/c++/4.8/ostream:612:0, from /usr/include/c++/4.8/iostream:39, from preordine.cpp:1: /usr/include/c++/4.8/bits/ostream.tcc:321:5: note: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const char*) operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s) ^ /usr/include/c++/4.8/bits/ostream.tcc:321:5: note: template argument deduction/substitution failed: preordine.cpp:59:21: note: 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>' writer<<curent->val<<" "; ^ In file included from /usr/include/c++/4.8/iostream:39:0, from preordine.cpp:1: /usr/include/c++/4.8/ostream:530:5: note: template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, const char*) operator<<(basic_ostream<char, _Traits>& __out, const char* __s) ^ /usr/include/c++/4.8/ostream:530:5: note: template argument deduction/substitution failed: preordine.cpp:59:21: note: 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_ostream<char, _Traits>' writer<<curent->val<<" "; ^ In file included from /usr/include/c++/4.8/iostream:39:0, from preordine.cpp:1: /usr/include/c++/4.8/ostream:543:5: note: template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, const signed char*) operator<<(basic_ostream<char, _Traits>& __out, const signed char* __s) ^ /usr/include/c++/4.8/ostream:543:5: note: template argument deduction/substitution failed: preordine.cpp:59:21: note: 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_ostream<char, _Traits>' writer<<curent->val<<" "; ^ In file included from /usr/include/c++/4.8/iostream:39:0, from preordine.cpp:1: /usr/include/c++/4.8/ostream:548:5: note: template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, const unsigned char*) operator<<(basic_ostream<char, _Traits>& __out, const unsigned char* __s) ^ /usr/include/c++/4.8/ostream:548:5: note: template argument deduction/substitution failed: preordine.cpp:59:21: note: 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_ostream<char, _Traits>' writer<<curent->val<<" "; ^ In file included from /usr/include/c++/4.8/iostream:39:0, from preordine.cpp:1: /usr/include/c++/4.8/ostream:602:5: note: template<class _CharT, class _Traits, class _Tp> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&&, const _Tp&) operator<<(basic_ostream<_CharT, _Traits>&& __os, const _Tp& __x) ^ /usr/include/c++/4.8/ostream:602:5: note: template argument deduction/substitution failed: preordine.cpp:59:21: note: 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>' writer<<curent->val<<" "; ^ preordine.cpp:60:29: error: too few arguments to function 'void preOrdine(Nod*, std::ofstream&)' preOrdine(curent->stanga); ^ preordine.cpp:56:6: note: declared here void preOrdine(Nod* curent,ofstream &writer){ ^ preordine.cpp:61:30: error: too few arguments to function 'void preOrdine(Nod*, std::ofstream&)' preOrdine(curent->dreapta); ^ preordine.cpp:56:6: note: declared here void preOrdine(Nod* curent,ofstream &writer){ ^
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema Preordine face parte din prima categorie. Soluția propusă de tine va fi evaluată astfel:
Suma punctajelor acordate pe testele utilizate pentru verificare este 100. Astfel, soluția ta poate obține cel mult 100 de puncte, caz în care se poate considera corectă.