Rezumat problemă

Siruri

#204

Se citesc două numere naturale nenule n și m. Să se determine toate şirurile cu m elemente din mulţimea {1,2,..,n}, ordonate strict crescător, cu proprietatea că oricare două elemente consecutive în şir au diferenţa mai mică sau egală cu cu 2.

Fișiere Candale Silviu (silviu) medie

Clasa 11 Backtracking Elemente de combinatorică

Rezolvă

Detalii

Problema	Siruri	Operații I/O	siruri.in/siruri.out
Limita timp	0.5 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64338289	Utilizator	Duna Andreea (Duna__Andreea)
Fișier	siruri.cpp	Dimensiune	522 B
Data încărcării	30 Aprilie 2026, 12:41	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

siruri.cpp:5:23: error: no matching function for call to ‘std::basic_ostream<char>::basic_ostream(const char [11])’
    5 | ostream g("siruri.out");
      |                       ^
In file included from /usr/include/c++/13/istream:41,
                 from /usr/include/c++/13/fstream:40,
                 from siruri.cpp:1:
/usr/include/c++/13/ostream:436:7: note: candidate: ‘std::basic_ostream<_CharT, _Traits>::basic_ostream(std::basic_iostream<_CharT, _Traits>&) [with _CharT = char; _Traits = std::char_traits<char>]’
  436 |       basic_ostream(basic_iostream<_CharT, _Traits>&) { }
      |       ^~~~~~~~~~~~~
/usr/include/c++/13/ostream:436:21: note:   no known conversion for argument 1 from ‘const char [11]’ to ‘std::basic_iostream<char>&’
  436 |       basic_ostream(basic_iostream<_CharT, _Traits>&) { }
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/ostream:440:7: note: candidate: ‘std::basic_ostream<_CharT, _Traits>::basic_ostream(std::basic_ostream<_CharT, _Traits>&&) [with _CharT = char; _Traits = std::char_traits<char>]’
  440 |       basic_ostream(basic_ostream&& __rhs)
      |       ^~~~~~~~~~~~~
/usr/include/c++/13/ostream:440:37: note:   no known conversion for argument 1 from ‘const char [11]’ to ‘std::basic_ostream<char>&&’
  440 |       basic_ostream(basic_ostream&& __rhs)
      |                     ~~~~~~~~~~~~~~~~^~~~~
/usr/include/c++/13/ostream:431:7: note: candidate: ‘std::basic_ostream<_CharT, _Traits>::basic_ostream() [with _CharT = char; _Traits = std::char_traits<char>]’
  431 |       basic_ostream()
      |       ^~~~~~~~~~~~~
/usr/include/c++/13/ostream:431:7: note:   candidate expects 0 arguments, 1 provided
/usr/include/c++/13/ostream:86:7: note: candidate: ‘std::basic_ostream<_CharT, _Traits>::basic_ostream(__streambuf_type*) [with _CharT = char; _Traits = std::char_traits<char>; __streambuf_type = std::basic_streambuf<char>]’
   86 |       basic_ostream(__streambuf_type* __sb)
      |       ^~~~~~~~~~~~~
/usr/include/c++/13/ostream:86:39: note:   no known conversion for argument 1 from ‘const char [11]’ to ‘std::basic_ostream<char>::__streambuf_type*’ {aka ‘std::basic_streambuf<char>*’}
   86 |       basic_ostream(__streambuf_type* __sb)
      |                     ~~~~~~~~~~~~~~~~~~^~~~
siruri.cpp: In function ‘void bkt(int)’:
siruri.cpp:30:7: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wdangling-else]
   30 |     if(valid(k))
      |       ^

Cum funcționează evaluarea?