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Detalii evaluare #53947371

Rezumat problemă

#328 AfisareNumere1

Se dă un număr natural n. Afișați în ordine descrescătoare primele n numere naturale nenule.

Rezolvă

Detalii

Problema AfisareNumere1 Operații I/O tastatură/ecran
Limita timp 0.1 secunde Limita memorie Total: 64 MB / Stivă 8 MB
Id soluție #53947371 Utilizator Nica Gabriel (gabrielnica)
Fișier afisarenumere1.cpp Dimensiune 163 B
Data încărcării 15 Noiembrie 2024, 14:36 Scor / rezultat Eroare de compilare

Evaluare


Mesaj compilare

afisarenumere1.cpp: In function 'int main()':
afisarenumere1.cpp:8:5: error: no match for 'operator<<' (operand types are 'std::istream {aka std::basic_istream<char>}' and 'int')
  cin<<n;

     ^
afisarenumere1.cpp:8:5: 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 afisarenumere1.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:
afisarenumere1.cpp:8:7: note:   'std::istream {aka std::basic_istream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
  cin<<n;

       ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from afisarenumere1.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:
afisarenumere1.cpp:8:7: note:   'std::istream {aka std::basic_istream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
  cin<<n;

       ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from afisarenumere1.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:
afisarenumere1.cpp:8:7: note:   'std::istream {aka std::basic_istream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
  cin<<n;

       ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from afisarenumere1.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:
afisarenumere1.cpp:8:7: note:   'std::istream {aka std::basic_istream<char>}' is not derived from 'std::basic_ostream<char, _Traits>'
  cin<<n;

       ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from afisarenumere1.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:
afisarenumere1.cpp:8:7: note:   'std::istream {aka std::basic_istream<char>}' is not derived from 'std::basic_ostream<char, _Traits>'
  cin<<n;

       ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from afisarenumere1.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:
afisarenumere1.cpp:8:7: note:   'std::istream {aka std::basic_istream<char>}' is not derived from 'std::basic_ostream<char, _Traits>'
  cin<<n;

       ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from afisarenumere1.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:
afisarenumere1.cpp:8:7: note:   'std::istream {aka std::basic_istream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
  cin<<n;

       ^
In file included from /usr/include/c++/4.8/ostream:612:0,
                 from /usr/include/c++/4.8/iostream:39,
                 from afisarenumere1.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:
afisarenumere1.cpp:8:7: note:   'std::istream {aka std::basic_istream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
  cin<<n;

       ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from afisarenumere1.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:
afisarenumere1.cpp:8:7: note:   'std::istream {aka std::basic_istream<char>}' is not derived from 'std::basic_ostream<char, _Traits>'
  cin<<n;

       ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from afisarenumere1.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:
afisarenumere1.cpp:8:7: note:   'std::istream {aka std::basic_istream<char>}' is not derived from 'std::basic_ostream<char, _Traits>'
  cin<<n;

       ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from afisarenumere1.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:
afisarenumere1.cpp:8:7: note:   'std::istream {aka std::basic_istream<char>}' is not derived from 'std::basic_ostream<char, _Traits>'
  cin<<n;

       ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from afisarenumere1.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:
afisarenumere1.cpp:8:7: note:   'std::istream {aka std::basic_istream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
  cin<<n;

       ^

Cum funcționează evaluarea?

www.pbinfo.ro permite evaluarea a două tipuri de probleme:

  • probleme la care rezolvarea presupune scrierea unui program complet
  • probleme la care rezolvarea presupune scrierea unei secvențe de program - câteva instrucțiuni, o listă de declarații, una sau mai multe funcții, etc.

Problema AfisareNumere1 face parte din prima categorie. Soluția propusă de tine va fi evaluată astfel:

  • Programul sursă este compilat folosind compilatorul corespunzător. Dacă în urma compilării se obțin erori sau avertismente, acestea sunt afișate în această pagină.
  • Dacă programul a fost compilat, executabilul obținut va fi rulat, furnizându-i-se unul sau mai multe seturi de date de intrare, în concordanță cu restricțiile specifice problemei. Pentru fiecare set de date se obține un anumit punctaj, în raport cu corectitudinea soluției tale.

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.