Rezumat problemă

XYZ

#2096

Un număr natural se numeşte “număr xyz” dacă are x cifre, prima cifră a sa este egală cu y şi următoarele cifre sunt egale cu z.

Scrieţi un program care să determine “numărul xyz” pentru x y z numere naturale date.

Olimpiada Municipala Informatica Iasi 2013

Fișiere Peticaru Alexandru (AlexandruPeticaru) Lucia Miron concurs

Clasa 9 Algoritmi elementari Cifrele unui număr

Rezolvă

Detalii

Problema	XYZ	Operații I/O	xyz.in/xyz.out
Limita timp	0.1 secunde	Limita memorie	Total: 2 MB / Stivă 1 MB
Id soluție	#64755267	Utilizator	Tirlea Maria (Maria_Ioana_Tirlea)
Fișier	xyz.cpp	Dimensiune	264 B
Data încărcării	28 Mai 2026, 08:31	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

xyz.cpp: In function ‘int main()’:
xyz.cpp:9:11: error: expected primary-expression before ‘for’
    9 |     f>>x>>for(i=1;i<=x;i++)y>>z;
      |           ^~~
xyz.cpp:9:20: warning: statement has no effect [-Wunused-value]
    9 |     f>>x>>for(i=1;i<=x;i++)y>>z;
      |                   ~^~~
xyz.cpp:9:27: error: expected ‘;’ before ‘)’ token
    9 |     f>>x>>for(i=1;i<=x;i++)y>>z;
      |                           ^
      |                           ;
xyz.cpp:11:6: error: no match for ‘operator>>’ (operand types are ‘std::ofstream’ {aka ‘std::basic_ofstream<char>’} and ‘int’)
   11 |     g>>y;
      |     ~^~~
      |     |  |
      |     |  int
      |     std::ofstream {aka std::basic_ofstream<char>}
xyz.cpp:11:6: note: candidate: ‘operator>>(int, int)’ (built-in)
   11 |     g>>y;
      |     ~^~~
xyz.cpp:11:6: note:   no known conversion for argument 1 from ‘std::ofstream’ {aka ‘std::basic_ofstream<char>’} to ‘int’
In file included from /usr/include/c++/13/string:55,
                 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/ostream:40,
                 from /usr/include/c++/13/iostream:41,
                 from xyz.cpp:1:
/usr/include/c++/13/bits/basic_string.tcc:827:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, __cxx11::basic_string<_CharT, _Traits, _Alloc>&)’
  827 |     operator>>(basic_istream<_CharT, _Traits>& __in,
      |     ^~~~~~~~
/usr/include/c++/13/bits/basic_string.tcc:827:5: note:   template argument deduction/substitution failed:
xyz.cpp:11:8: note:   ‘std::ofstream’ {aka ‘std::basic_ofstream<char>’} is not derived from ‘std::basic_istream<_CharT, _Traits>’
   11 |     g>>y;
      |        ^
In file included from /usr/include/c++/13/istream:1106,
                 from /usr/include/c++/13/iostream:42:
/usr/include/c++/13/bits/istream.tcc:975:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _CharT&)’
  975 |     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c)
      |     ^~~~~~~~
/usr/include/c++/13/bits/istream.tcc:975:5: note:   template argument deduction/substitution failed:
xyz.cpp:11:8: note:   ‘std::ofstream’ {aka ‘std::basic_ofstream<char>’} is not derived from ‘std::basic_istream<_CharT, _Traits>’
   11 |     g>>y;
      |        ^
/usr/include/c++/13/istream:846:5: note: candidate: ‘template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, unsigned char&)’
  846 |     operator>>(basic_istream<char, _Traits>& __in, unsigned char& __c)
      |     ^~~~~~~~
/usr/include/c++/13/istream:846:5: note:   template argument deduction/substitution failed:
xyz.cpp:11:8: note:   ‘std::ofstream’ {aka ‘std::basic_ofstream<char>’} is not derived from ‘std::basic_istream<char, _Traits>’
   11 |     g>>y;
      |        ^
/usr/include/c++/13/istream:851:5: note: candidate: ‘template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, signed char&)’
  851 |     operator>>(basic_istream<char, _Traits>& __in, signed char& __c)
      |     ^~~~~~~~
/usr/include/c++/13/istream:851:5: note:   template argument deduction/substitution failed:
xyz.cpp:11:8: note:   ‘std::ofstream’ {aka ‘std::basic_ofstream<char>’} is not derived from ‘std::basic_istream<char, _Traits>’
   11 |     g>>y;
      |        ^
/usr/include/c++/13/istream:893:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _CharT*)’
  893 |     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s)
      |     ^~~~~~~~
/usr/include/c++/13/istream:893:5: note:   template argument deduction/substitution failed:
xyz.cpp:11:8: note:   ‘std::ofstream’ {aka ‘std::basic_ofstream<char>’} is not derived from ‘std::basic_istream<_CharT, _Traits>’
   11 |     g>>y;
      |        ^
/usr/include/c++/13/istream:936:5: note: candidate: ‘template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, unsigned char*)’
  936 |     operator>>(basic_istream<char, _Traits>& __in, unsigned char* __s)
      |     ^~~~~~~~
/usr/include/c++/13/istream:936:5: note:   template argument deduction/substitution failed:
xyz.cpp:11:8: note:   ‘std::ofstream’ {aka ‘std::basic_ofstream<char>’} is not derived from ‘std::basic_istream<char, _Traits>’
   11 |     g>>y;
      |        ^
/usr/include/c++/13/istream:942:5: note: candidate: ‘template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, signed char*)’
  942 |     operator>>(basic_istream<char, _Traits>& __in, signed char* __s)
      |     ^~~~~~~~
/usr/include/c++/13/istream:942:5: note:   template argument deduction/substitution failed:
xyz.cpp:11:8: note:   ‘std::ofstream’ {aka ‘std::basic_ofstream<char>’} is not derived from ‘std::basic_istream<char, _Traits>’
   11 |     g>>y;
      |        ^
/usr/include/c++/13/istream:1096:5: note: candidate: ‘template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&)’
 1096 |     operator>>(_Istream&& __is, _Tp&& __x)
      |     ^~~~~~~~
/usr/include/c++/13/istream:1096:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/istream: In substitution of ‘template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&) [with _Istream = std::basic_ofstream<char>&; _Tp = int&]’:
xyz.cpp:11:8:   required from here
/usr/include/c++/13/istream:1096:5: error: no type named ‘type’ in ‘struct std::enable_if<false, void>’
xyz.cpp:7:9: warning: unused variable ‘a’ [-Wunused-variable]
    7 |     int a[1000],n,i,x,y,z;
      |         ^
xyz.cpp:7:17: warning: unused variable ‘n’ [-Wunused-variable]
    7 |     int a[1000],n,i,x,y,z;
      |                 ^

Cum funcționează evaluarea?