Detalii evaluare #64747890

Rezumat problemă

#238

Se dă un număr natural n şi un tablou unidimensional cu 3*n elemente, numere naturale cu cel mult 4 cifre. Tabloul este împărţit în trei zone, cu câte n elemente: prima zonă conţine primele n elemente din tablou, a doua zonă conţine următoarele n elemente din tablou, restul elementelor fiind în zona a treia.

Se cere interschimbarea primulul element par (dacă există) al zonei unu cu ultimul element impar (dacă există) al zonei trei. În cazul în care unul dintre elementele care urmează a fi interschimbate nu există, tabloul rămâne nemodificat.

Detalii

Problema Zone Operații I/O zone.in/zone.out
Limita timp 0.1 secunde Limita memorie Total: 64 MB / Stivă 8 MB
Id soluție #64747890 Utilizator Parlog Gabriel (ParlogGabriel)
Fișier zone.cpp Dimensiune 687 B
Data încărcării 27 Mai 2026, 15:56 Scor/rezultat Eroare de compilare

Evaluare

Mesaj compilare

zone.cpp: In function ‘int main()’:
zone.cpp:35:13: error: no match for ‘operator<<’ (operand types are ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} and ‘int’)
   35 |         fout<<a[i]<<' ';
      |         ~~~~^~~~~~
      |         |        |
      |         |        int
      |         std::ifstream {aka std::basic_ifstream<char>}
zone.cpp:35:13: note: candidate: ‘operator<<(int, int)’ (built-in)
   35 |         fout<<a[i]<<' ';
      |         ~~~~^~~~~~
zone.cpp:35:13: note:   no known conversion for argument 1 from ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} to ‘int’
In file included from /usr/include/c++/13/string:54,
                 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/istream:40,
                 from /usr/include/c++/13/fstream:40,
                 from zone.cpp:2:
/usr/include/c++/13/bits/basic_string.h:4032:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const __cxx11::basic_string<_CharT, _Traits, _Alloc>&)’
 4032 |     operator<<(basic_ostream<_CharT, _Traits>& __os,
      |     ^~~~~~~~
/usr/include/c++/13/bits/basic_string.h:4032:5: note:   template argument deduction/substitution failed:
zone.cpp:35:18: note:   ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’
   35 |         fout<<a[i]<<' ';
      |                  ^
In file included from /usr/include/c++/13/bits/ios_base.h:46:
/usr/include/c++/13/system_error:339:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const error_code&)’
  339 |     operator<<(basic_ostream<_CharT, _Traits>& __os, const error_code& __e)
      |     ^~~~~~~~
/usr/include/c++/13/system_error:339:5: note:   template argument deduction/substitution failed:
zone.cpp:35:18: note:   ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’
   35 |         fout<<a[i]<<' ';
      |                  ^
In file included from /usr/include/c++/13/istream:41:
/usr/include/c++/13/ostream:554:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, _CharT)’
  554 |     operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c)
      |     ^~~~~~~~
/usr/include/c++/13/ostream:554:5: note:   template argument deduction/substitution failed:
zone.cpp:35:18: note:   ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’
   35 |         fout<<a[i]<<' ';
      |                  ^
/usr/include/c++/13/ostream:564:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, char)’
  564 |     operator<<(basic_ostream<_CharT, _Traits>& __out, char __c)
      |     ^~~~~~~~
/usr/include/c++/13/ostream:564:5: note:   template argument deduction/substitution failed:
zone.cpp:35:18: note:   ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’
   35 |         fout<<a[i]<<' ';
      |                  ^
/usr/include/c++/13/ostream:570:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, char)’
  570 |     operator<<(basic_ostream<char, _Traits>& __out, char __c)
      |     ^~~~~~~~
/usr/include/c++/13/ostream:570:5: note:   template argument deduction/substitution failed:
zone.cpp:35:18: note:   ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’
   35 |         fout<<a[i]<<' ';
      |                  ^
/usr/include/c++/13/ostream:581:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, signed char)’
  581 |     operator<<(basic_ostream<char, _Traits>& __out, signed char __c)
      |     ^~~~~~~~
/usr/include/c++/13/ostream:581:5: note:   template argument deduction/substitution failed:
zone.cpp:35:18: note:   ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’
   35 |         fout<<a[i]<<' ';
      |                  ^
/usr/include/c++/13/ostream:586:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, unsigned char)’
  586 |     operator<<(basic_ostream<char, _Traits>& __out, unsigned char __c)
      |     ^~~~~~~~
/usr/include/c++/13/ostream:586:5: note:   template argument deduction/substitution failed:
zone.cpp:35:18: note:   ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’
   35 |         fout<<a[i]<<' ';
      |                  ^
/usr/include/c++/13/ostream:645:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const _CharT*)’
  645 |     operator<<(basic_ostream<_CharT, _Traits>& __out, const _CharT* __s)
      |     ^~~~~~~~
/usr/include/c++/13/ostream:645:5: note:   template argument deduction/substitution failed:
zone.cpp:35:18: note:   ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’
   35 |         fout<<a[i]<<' ';
      |                  ^
In file included from /usr/include/c++/13/ostream:880:
/usr/include/c++/13/bits/ostream.tcc:307:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const char*)’
  307 |     operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s)
      |     ^~~~~~~~
/usr/include/c++/13/bits/ostream.tcc:307:5: note:   template argument deduction/substitution failed:
zone.cpp:35:18: note:   ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’
   35 |         fout<<a[i]<<' ';
      |                  ^
/usr/include/c++/13/ostream:662:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const char*)’
  662 |     operator<<(basic_ostream<char, _Traits>& __out, const char* __s)
      |     ^~~~~~~~
/usr/include/c++/13/ostream:662:5: note:   template argument deduction/substitution failed:
zone.cpp:35:18: note:   ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’
   35 |         fout<<a[i]<<' ';
      |                  ^
/usr/include/c++/13/ostream:675:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const signed char*)’
  675 |     operator<<(basic_ostream<char, _Traits>& __out, const signed char* __s)
      |     ^~~~~~~~
/usr/include/c++/13/ostream:675:5: note:   template argument deduction/substitution failed:
zone.cpp:35:18: note:   ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’
   35 |         fout<<a[i]<<' ';
      |                  ^
/usr/include/c++/13/ostream:680:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const unsigned char*)’
  680 |     operator<<(basic_ostream<char, _Traits>& __out, const unsigned char* __s)
      |     ^~~~~~~~
/usr/include/c++/13/ostream:680:5: note:   template argument deduction/substitution failed:
zone.cpp:35:18: note:   ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’
   35 |         fout<<a[i]<<' ';
      |                  ^
/usr/include/c++/13/ostream:801:5: note: candidate: ‘template<class _Ostream, class _Tp> _Ostream&& std::operator<<(_Ostream&&, const _Tp&)’
  801 |     operator<<(_Ostream&& __os, const _Tp& __x)
      |     ^~~~~~~~
/usr/include/c++/13/ostream:801:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/ostream: In substitution of ‘template<class _Ostream, class _Tp> _Ostream&& std::operator<<(_Ostream&&, const _Tp&) [with _Ostream = std::basic_ifstream<char>&; _Tp = int]’:
zone.cpp:35:18:   required from here
/usr/include/c++/13/ostream:801:5: error: no type named ‘type’ in ‘struct std::enable_if<false, void>’

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 Zone 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.

Du-te sus!