Rezumat problemă

decodificare

#1487

Scrieţi un program care, citind din fişierul de intrare şirul de caractere cod(s), execută operaţia de decodificare şi afişează textul iniţial s (care a fost codificat) în fişierul de ieşire.

Admitere Informatica Iasi, 2013

Fișiere Antal Alexandru (Courage) ușoară

Clasa 9 Tablouri bidimensionale (matrice) Parcurgerea matricelor pătratice

Rezolvă

Detalii

Problema	decodificare	Operații I/O	decodificare.in/decodificare.out
Limita timp	0.2 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#57935225	Utilizator	Lucio cannizzaro (lucio)
Fișier	decodificare.cpp	Dimensiune	1.37 KB
Data încărcării	03 Mai 2025, 13:41	Scor / rezultat	Eroare de compilare

Evaluare

Mesaj compilare

decodificare.cpp: In function 'int main()':
decodificare.cpp:52:11: error: no match for 'operator>>' (operand types are 'std::ofstream {aka std::basic_ofstream<char>}' and 'char')
         in>>c;

           ^
decodificare.cpp:52:11: note: candidates are:
In file included from /usr/include/c++/4.8/string:53:0,
                 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 decodificare.cpp:9:
/usr/include/c++/4.8/bits/basic_string.tcc:996:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::basic_string<_CharT, _Traits, _Alloc>&)
     operator>>(basic_istream<_CharT, _Traits>& __in,
     ^
/usr/include/c++/4.8/bits/basic_string.tcc:996:5: note:   template argument deduction/substitution failed:
decodificare.cpp:52:13: note:   'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
         in>>c;

             ^
In file included from /usr/include/c++/4.8/istream:882:0,
                 from /usr/include/c++/4.8/iostream:40,
                 from decodificare.cpp:9:
/usr/include/c++/4.8/bits/istream.tcc:955:5: note: template<class _CharT2, class _Traits2> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT2*)
     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s)
     ^
/usr/include/c++/4.8/bits/istream.tcc:955:5: note:   template argument deduction/substitution failed:
decodificare.cpp:52:13: note:   'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
         in>>c;

             ^
In file included from /usr/include/c++/4.8/istream:882:0,
                 from /usr/include/c++/4.8/iostream:40,
                 from decodificare.cpp:9:
/usr/include/c++/4.8/bits/istream.tcc:923:5: note: template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT&)
     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c)
     ^
/usr/include/c++/4.8/bits/istream.tcc:923:5: note:   template argument deduction/substitution failed:
decodificare.cpp:52:13: note:   'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
         in>>c;

             ^
In file included from /usr/include/c++/4.8/iostream:40:0,
                 from decodificare.cpp:9:
/usr/include/c++/4.8/istream:727:5: note: template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, unsigned char&)
     operator>>(basic_istream<char, _Traits>& __in, unsigned char& __c)
     ^
/usr/include/c++/4.8/istream:727:5: note:   template argument deduction/substitution failed:
decodificare.cpp:52:13: note:   'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_istream<char, _Traits>'
         in>>c;

             ^
In file included from /usr/include/c++/4.8/iostream:40:0,
                 from decodificare.cpp:9:
/usr/include/c++/4.8/istream:732:5: note: template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, signed char&)
     operator>>(basic_istream<char, _Traits>& __in, signed char& __c)
     ^
/usr/include/c++/4.8/istream:732:5: note:   template argument deduction/substitution failed:
decodificare.cpp:52:13: note:   'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_istream<char, _Traits>'
         in>>c;

             ^
In file included from /usr/include/c++/4.8/iostream:40:0,
                 from decodificare.cpp:9:
/usr/include/c++/4.8/istream:774:5: note: template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, unsigned char*)
     operator>>(basic_istream<char, _Traits>& __in, unsigned char* __s)
     ^
/usr/include/c++/4.8/istream:774:5: note:   template argument deduction/substitution failed:
decodificare.cpp:52:13: note:   'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_istream<char, _Traits>'
         in>>c;

             ^
In file included from /usr/include/c++/4.8/iostream:40:0,
                 from decodificare.cpp:9:
/usr/include/c++/4.8/istream:779:5: note: template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, signed char*)
     operator>>(basic_istream<char, _Traits>& __in, signed char* __s)
     ^
/usr/include/c++/4.8/istream:779:5: note:   template argument deduction/substitution failed:
decodificare.cpp:52:13: note:   'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_istream<char, _Traits>'
         in>>c;

             ^
In file included from /usr/include/c++/4.8/iostream:40:0,
                 from decodificare.cpp:9:
/usr/include/c++/4.8/istream:872:5: note: template<class _CharT, class _Traits, class _Tp> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&&, _Tp&)
     operator>>(basic_istream<_CharT, _Traits>&& __is, _Tp& __x)
     ^
/usr/include/c++/4.8/istream:872:5: note:   template argument deduction/substitution failed:
decodificare.cpp:52:13: note:   'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
         in>>c;

             ^
decodificare.cpp:59:12: error: no match for 'operator<<' (operand types are 'std::ifstream {aka std::basic_ifstream<char>}' and 'char')
         out<<v[i][j];

            ^
decodificare.cpp:59:12: 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 decodificare.cpp:9:
/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:
decodificare.cpp:59:20: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
         out<<v[i][j];

                    ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from decodificare.cpp:9:
/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:
decodificare.cpp:59:20: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
         out<<v[i][j];

                    ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from decodificare.cpp:9:
/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:
decodificare.cpp:59:20: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
         out<<v[i][j];

                    ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from decodificare.cpp:9:
/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:
decodificare.cpp:59:20: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<char, _Traits>'
         out<<v[i][j];

                    ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from decodificare.cpp:9:
/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:
decodificare.cpp:59:20: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<char, _Traits>'
         out<<v[i][j];

                    ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from decodificare.cpp:9:
/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:
decodificare.cpp:59:20: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<char, _Traits>'
         out<<v[i][j];

                    ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from decodificare.cpp:9:
/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:
decodificare.cpp:59:20: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
         out<<v[i][j];

                    ^
In file included from /usr/include/c++/4.8/ostream:612:0,
                 from /usr/include/c++/4.8/iostream:39,
                 from decodificare.cpp:9:
/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:
decodificare.cpp:59:20: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
         out<<v[i][j];

                    ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from decodificare.cpp:9:
/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:
decodificare.cpp:59:20: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<char, _Traits>'
         out<<v[i][j];

                    ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from decodificare.cpp:9:
/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:
decodificare.cpp:59:20: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<char, _Traits>'
         out<<v[i][j];

                    ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from decodificare.cpp:9:
/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:
decodificare.cpp:59:20: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<char, _Traits>'
         out<<v[i][j];

                    ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from decodificare.cpp:9:
/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:
decodificare.cpp:59:20: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
         out<<v[i][j];

                    ^
decodificare.cpp:64:12: error: no match for 'operator<<' (operand types are 'std::ifstream {aka std::basic_ifstream<char>}' and 'char')
         out<<v[i][j];

            ^
decodificare.cpp:64:12: 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 decodificare.cpp:9:
/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:
decodificare.cpp:64:20: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
         out<<v[i][j];

                    ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from decodificare.cpp:9:
/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:
decodificare.cpp:64:20: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
         out<<v[i][j];

                    ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from decodificare.cpp:9:
/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:
decodificare.cpp:64:20: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
         out<<v[i][j];

                    ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from decodificare.cpp:9:
/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:
decodificare.cpp:64:20: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<char, _Traits>'
         out<<v[i][j];

                    ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from decodificare.cpp:9:
/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:
decodificare.cpp:64:20: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<char, _Traits>'
         out<<v[i][j];

                    ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from decodificare.cpp:9:
/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:
decodificare.cpp:64:20: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<char, _Traits>'
         out<<v[i][j];

                    ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from decodificare.cpp:9:
/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:
decodificare.cpp:64:20: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
         out<<v[i][j];

                    ^
In file included from /usr/include/c++/4.8/ostream:612:0,
                 from /usr/include/c++/4.8/iostream:39,
                 from decodificare.cpp:9:
/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:
decodificare.cpp:64:20: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
         out<<v[i][j];

                    ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from decodificare.cpp:9:
/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:
decodificare.cpp:64:20: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<char, _Traits>'
         out<<v[i][j];

                    ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from decodificare.cpp:9:
/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:
decodificare.cpp:64:20: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<char, _Traits>'
         out<<v[i][j];

                    ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from decodificare.cpp:9:
/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:
decodificare.cpp:64:20: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<char, _Traits>'
         out<<v[i][j];

                    ^
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from decodificare.cpp:9:
/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:
decodificare.cpp:64:20: note:   'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
         out<<v[i][j];

                    ^
decodificare.cpp:42:18: warning: unused variable 'm' [-Wunused-variable]
     int i, j, n, m, ani=0, aux=0, o=0, l=0;

                  ^
decodificare.cpp:42:21: warning: unused variable 'ani' [-Wunused-variable]
     int i, j, n, m, ani=0, aux=0, o=0, l=0;

                     ^
decodificare.cpp:42:28: warning: unused variable 'aux' [-Wunused-variable]
     int i, j, n, m, ani=0, aux=0, o=0, l=0;

                            ^
decodificare.cpp:42:35: warning: unused variable 'o' [-Wunused-variable]
     int i, j, n, m, ani=0, aux=0, o=0, l=0;

                                   ^
decodificare.cpp:42:40: warning: unused variable 'l' [-Wunused-variable]
     int i, j, n, m, ani=0, aux=0, o=0, l=0;

                                        ^
decodificare.cpp: In function 'int radical(int)':
decodificare.cpp:33:5: warning: control reaches end of non-void function [-Wreturn-type]
     }

     ^

Cum funcționează evaluarea?