Rezumat problemă

Nivele

#638

Se dă vectorul de tați al unui arbore cu rădăcină cu n noduri și k noduri din arbore. Determinați pentru fiecare dintre cele k noduri nivelul pe care se află.

Fișiere Candale Silviu (silviu) ușoară

Clasa 11 Teoria Grafurilor Arbori cu rădăcină

Rezolvă

Detalii

Problema	Nivele	Operații I/O	nivele.in/nivele.out
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64236278	Utilizator	Rolea Alexandru (alex123469)
Fișier	nivele.cpp	Dimensiune	457 B
Data încărcării	24 Aprilie 2026, 14:03	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

nivele.cpp: In function ‘int main()’:
nivele.cpp:13:10: error: no match for ‘operator>>’ (operand types are ‘std::ofstream’ {aka ‘std::basic_ofstream<char>’} and ‘int’)
   13 |         g>>t[i];
      |         ~^~~~~~
      |         |     |
      |         |     int
      |         std::ofstream {aka std::basic_ofstream<char>}
nivele.cpp:13:10: note: candidate: ‘operator>>(int, int)’ (built-in)
   13 |         g>>t[i];
      |         ~^~~~~~
nivele.cpp:13:10: note:   no known conversion for argument 1 from ‘std::ofstream’ {aka ‘std::basic_ofstream<char>’} to ‘int’
In file included from /usr/include/c++/13/string:55,
                 from /usr/include/c++/13/bits/locale_classes.h:40,
                 from /usr/include/c++/13/bits/ios_base.h:41,
                 from /usr/include/c++/13/ios:44,
                 from /usr/include/c++/13/ostream:40,
                 from /usr/include/c++/13/iostream:41,
                 from nivele.cpp:2:
/usr/include/c++/13/bits/basic_string.tcc:827:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, __cxx11::basic_string<_CharT, _Traits, _Alloc>&)’
  827 |     operator>>(basic_istream<_CharT, _Traits>& __in,
      |     ^~~~~~~~
/usr/include/c++/13/bits/basic_string.tcc:827:5: note:   template argument deduction/substitution failed:
nivele.cpp:13:15: note:   ‘std::ofstream’ {aka ‘std::basic_ofstream<char>’} is not derived from ‘std::basic_istream<_CharT, _Traits>’
   13 |         g>>t[i];
      |               ^
In file included from /usr/include/c++/13/istream:1106,
                 from /usr/include/c++/13/iostream:42:
/usr/include/c++/13/bits/istream.tcc:975:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _CharT&)’
  975 |     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c)
      |     ^~~~~~~~
/usr/include/c++/13/bits/istream.tcc:975:5: note:   template argument deduction/substitution failed:
nivele.cpp:13:15: note:   ‘std::ofstream’ {aka ‘std::basic_ofstream<char>’} is not derived from ‘std::basic_istream<_CharT, _Traits>’
   13 |         g>>t[i];
      |               ^
/usr/include/c++/13/istream:846:5: note: candidate: ‘template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, unsigned char&)’
  846 |     operator>>(basic_istream<char, _Traits>& __in, unsigned char& __c)
      |     ^~~~~~~~
/usr/include/c++/13/istream:846:5: note:   template argument deduction/substitution failed:
nivele.cpp:13:15: note:   ‘std::ofstream’ {aka ‘std::basic_ofstream<char>’} is not derived from ‘std::basic_istream<char, _Traits>’
   13 |         g>>t[i];
      |               ^
/usr/include/c++/13/istream:851:5: note: candidate: ‘template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, signed char&)’
  851 |     operator>>(basic_istream<char, _Traits>& __in, signed char& __c)
      |     ^~~~~~~~
/usr/include/c++/13/istream:851:5: note:   template argument deduction/substitution failed:
nivele.cpp:13:15: note:   ‘std::ofstream’ {aka ‘std::basic_ofstream<char>’} is not derived from ‘std::basic_istream<char, _Traits>’
   13 |         g>>t[i];
      |               ^
/usr/include/c++/13/istream:893:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _CharT*)’
  893 |     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s)
      |     ^~~~~~~~
/usr/include/c++/13/istream:893:5: note:   template argument deduction/substitution failed:
nivele.cpp:13:15: note:   ‘std::ofstream’ {aka ‘std::basic_ofstream<char>’} is not derived from ‘std::basic_istream<_CharT, _Traits>’
   13 |         g>>t[i];
      |               ^
/usr/include/c++/13/istream:936:5: note: candidate: ‘template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, unsigned char*)’
  936 |     operator>>(basic_istream<char, _Traits>& __in, unsigned char* __s)
      |     ^~~~~~~~
/usr/include/c++/13/istream:936:5: note:   template argument deduction/substitution failed:
nivele.cpp:13:15: note:   ‘std::ofstream’ {aka ‘std::basic_ofstream<char>’} is not derived from ‘std::basic_istream<char, _Traits>’
   13 |         g>>t[i];
      |               ^
/usr/include/c++/13/istream:942:5: note: candidate: ‘template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, signed char*)’
  942 |     operator>>(basic_istream<char, _Traits>& __in, signed char* __s)
      |     ^~~~~~~~
/usr/include/c++/13/istream:942:5: note:   template argument deduction/substitution failed:
nivele.cpp:13:15: note:   ‘std::ofstream’ {aka ‘std::basic_ofstream<char>’} is not derived from ‘std::basic_istream<char, _Traits>’
   13 |         g>>t[i];
      |               ^
/usr/include/c++/13/istream:1096:5: note: candidate: ‘template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&)’
 1096 |     operator>>(_Istream&& __is, _Tp&& __x)
      |     ^~~~~~~~
/usr/include/c++/13/istream:1096:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/istream: In substitution of ‘template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&) [with _Istream = std::basic_ofstream<char>&; _Tp = int&]’:
nivele.cpp:13:15:   required from here
/usr/include/c++/13/istream:1096:5: error: no type named ‘type’ in ‘struct std::enable_if<false, void>’

Cum funcționează evaluarea?