Erro usando a iostream [C++] [G++] [RESOLVIDO]

1. Erro usando a iostream [C++] [G++] [RESOLVIDO]

Perfil removido
removido

(usa Nenhuma)

Enviado em 03/04/2016 - 17:29h

Codigo fonte
#include <iostream>
int main(void)
{
std::cout << "--------------------> Teste <----------------------" << std::endl;
int x,y,z;
std::cout << "entre com int x (Ex: 300) :";
std::cin >> x;
std::cout << "entre com int y (Ex 500) :";
std::cout >> y;

z = x + y;
std::cout << "int z = x + y =" << z << std::endl;
z = x - y;
std::cout << "int z = x - y =" << z << std::endl;

}


Codigo de erro

Mama.cpp:9:11: error: no match for ‘operator>>’ (operand types are ‘std::ostream {aka std::basic_ostream<char>}’ and ‘int’)
std::cout >> y;
^
In file included from /usr/include/c++/5/iostream:40:0,
from Mama.cpp:1:
/usr/include/c++/5/istream:808:5: note: candidate: 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++/5/istream:808:5: note: template argument deduction/substitution failed:
Mama.cpp:9:14: note: ‘std::ostream {aka std::basic_ostream<char>}’ is not derived from ‘std::basic_istream<char, _Traits>’
std::cout >> y;
^
In file included from /usr/include/c++/5/iostream:40:0,
from Mama.cpp:1:
/usr/include/c++/5/istream:803:5: note: candidate: 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++/5/istream:803:5: note: template argument deduction/substitution failed:
Mama.cpp:9:14: note: ‘std::ostream {aka std::basic_ostream<char>}’ is not derived from ‘std::basic_istream<char, _Traits>’
std::cout >> y;
^
In file included from /usr/include/c++/5/iostream:40:0,
from Mama.cpp:1:
/usr/include/c++/5/istream:761:5: note: candidate: 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++/5/istream:761:5: note: template argument deduction/substitution failed:
Mama.cpp:9:14: note: ‘std::ostream {aka std::basic_ostream<char>}’ is not derived from ‘std::basic_istream<char, _Traits>’
std::cout >> y;
^
In file included from /usr/include/c++/5/iostream:40:0,
from Mama.cpp:1:
/usr/include/c++/5/istream:756:5: note: candidate: 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++/5/istream:756:5: note: template argument deduction/substitution failed:
Mama.cpp:9:14: note: ‘std::ostream {aka std::basic_ostream<char>}’ is not derived from ‘std::basic_istream<char, _Traits>’
std::cout >> y;
^
In file included from /usr/include/c++/5/istream:934:0,
from /usr/include/c++/5/iostream:40,
from Mama.cpp:1:
/usr/include/c++/5/bits/istream.tcc:923:5: note: candidate: 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++/5/bits/istream.tcc:923:5: note: template argument deduction/substitution failed:
Mama.cpp:9:14: note: ‘std::ostream {aka std::basic_ostream<char>}’ is not derived from ‘std::basic_istream<_CharT, _Traits>’
std::cout >> y;
^
In file included from /usr/include/c++/5/istream:934:0,
from /usr/include/c++/5/iostream:40,
from Mama.cpp:1:
/usr/include/c++/5/bits/istream.tcc:955:5: note: candidate: 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++/5/bits/istream.tcc:955:5: note: template argument deduction/substitution failed:
Mama.cpp:9:14: note: ‘std::ostream {aka std::basic_ostream<char>}’ is not derived from ‘std::basic_istream<_CharT, _Traits>’
std::cout >> y;
^
In file included from /usr/include/c++/5/string:53:0,
from /usr/include/c++/5/bits/locale_classes.h:40,
from /usr/include/c++/5/bits/ios_base.h:41,
from /usr/include/c++/5/ios:42,
from /usr/include/c++/5/ostream:38,
from /usr/include/c++/5/iostream:39,
from Mama.cpp:1:
/usr/include/c++/5/bits/basic_string.tcc:1441:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
operator>>(basic_istream<_CharT, _Traits>& __in,
^
/usr/include/c++/5/bits/basic_string.tcc:1441:5: note: template argument deduction/substitution failed:
Mama.cpp:9:14: note: ‘std::ostream {aka std::basic_ostream<char>}’ is not derived from ‘std::basic_istream<_CharT, _Traits>’
std::cout >> y;
^




  


2. MELHOR RESPOSTA

Samuel Leonardo
SamL

(usa XUbuntu)

Enviado em 03/04/2016 - 17:39h

Você está usando o std::cout como std::cin, ali na linha com std::cout >> y

3. Re: Erro usando a iostream [C++] [G++] [RESOLVIDO]

Perfil removido
removido

(usa Nenhuma)

Enviado em 03/04/2016 - 17:39h

já tentei reinstalar o pacote build-essential no ubuntu,não obtive resultado


4. Re: Erro usando a iostream [C++] [G++] [RESOLVIDO]

Perfil removido
removido

(usa Nenhuma)

Enviado em 03/04/2016 - 17:41h

SamL escreveu:

Você está usando o std::cout como std::cin, ali na linha com std::cout >> y


Vlw <3






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