Rezumat problemă

Aranjamente

#196

Se citesc două numere naturale nenule n și k. Să se afişeze, în ordine lexicografică, aranjamentele de câte k elemente ale mulţimii {1,2,..,n}.

Fișiere Candale Silviu (silviu) ușoară

Clasa 11 Backtracking Elemente de combinatorică

Rezolvă

Detalii

Problema	Aranjamente	Operații I/O	aranjamente.in/aranjamente.out
Limita timp	0.5 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#56701297	Utilizator	Pasca Maria (Pasca_Maria17)
Fișier	aranjamente.cpp	Dimensiune	653 B
Data încărcării	03 Martie 2025, 11:43	Scor / rezultat	Eroare de compilare

Evaluare

Mesaj compilare

aranjamente.cpp:4:12: error: 'aranjamente' was not declared in this scope
 ifstream g(aranjamente.in)

            ^
aranjamente.cpp:5:1: error: expected ',' or ';' before 'ofstream'
 ofstream f(aranjamente.out)

 ^
aranjamente.cpp: In function 'int valid(int)':
aranjamente.cpp:10:9: error: 'st' was not declared in this scope
     for(st[i]==st[k])return 0;

         ^
aranjamente.cpp:10:21: error: expected ';' before ')' token
     for(st[i]==st[k])return 0;

                     ^
aranjamente.cpp:11:5: error: expected primary-expression before 'return'
     return 1;

     ^
aranjamente.cpp:11:5: error: expected ';' before 'return'
aranjamente.cpp:11:5: error: expected primary-expression before 'return'
aranjamente.cpp:11:5: error: expected ')' before 'return'
aranjamente.cpp: In function 'int solutie(int)':
aranjamente.cpp:16:16: error: 'p' was not declared in this scope
      return(k==p);

                ^
aranjamente.cpp: In function 'void afisare(int)':
aranjamente.cpp:21:12: error: 'st' was not declared in this scope
         g<<st[i]<<" ";

            ^
aranjamente.cpp:22:6: error: no match for 'operator<<' (operand types are 'std::ifstream {aka std::basic_ifstream<char>}' and '<unresolved overloaded function type>')
     g<<endl;

      ^
aranjamente.cpp:22:6: 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 aranjamente.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:
aranjamente.cpp:22:8: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
     g<<endl;

        ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from aranjamente.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:
aranjamente.cpp:22:8: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
     g<<endl;

        ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from aranjamente.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:
aranjamente.cpp:22:8: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
     g<<endl;

        ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from aranjamente.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:
aranjamente.cpp:22:8: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<char, _Traits>'
     g<<endl;

        ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from aranjamente.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:
aranjamente.cpp:22:8: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<char, _Traits>'
     g<<endl;

        ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from aranjamente.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:
aranjamente.cpp:22:8: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<char, _Traits>'
     g<<endl;

        ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from aranjamente.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:
aranjamente.cpp:22:8: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
     g<<endl;

        ^
In file included from /usr/include/c++/4.8/ostream:612:0,
                 from /usr/include/c++/4.8/iostream:39,
                 from aranjamente.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:
aranjamente.cpp:22:8: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
     g<<endl;

        ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from aranjamente.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:
aranjamente.cpp:22:8: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<char, _Traits>'
     g<<endl;

        ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from aranjamente.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:
aranjamente.cpp:22:8: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<char, _Traits>'
     g<<endl;

        ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from aranjamente.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:
aranjamente.cpp:22:8: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<char, _Traits>'
     g<<endl;

        ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from aranjamente.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:
aranjamente.cpp:22:8: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
     g<<endl;

        ^
aranjamente.cpp: At global scope:
aranjamente.cpp:26:2: error: expected initializer before 'for'
  for(int i=1;i<=n;i++)

  ^
aranjamente.cpp:26:14: error: 'i' does not name a type
  for(int i=1;i<=n;i++)

              ^
aranjamente.cpp:26:19: error: 'i' does not name a type
  for(int i=1;i<=n;i++)

                   ^
aranjamente.cpp: In function 'int main()':
aranjamente.cpp:36:15: error: 'n' was not declared in this scope
            g>>n;

               ^
aranjamente.cpp:37:18: error: 'back' was not declared in this scope
            back(1);

                  ^
aranjamente.cpp: At global scope:
aranjamente.cpp:39:5: error: expected unqualified-id before 'return'
     return 0;

     ^
aranjamente.cpp:40:1: error: expected declaration before '}' token
 }
 ^
aranjamente.cpp: In function 'int valid(int)':
aranjamente.cpp:13:1: warning: control reaches end of non-void function [-Wreturn-type]
 }

 ^
aranjamente.cpp: In function 'int solutie(int)':
aranjamente.cpp:17:2: warning: control reaches end of non-void function [-Wreturn-type]
  }

  ^

Cum funcționează evaluarea?