#c #file-io
#c #file-io
Вопрос:
Моя домашняя работа требует, чтобы я использовал один файл для вывода данных, отправки вычислений в этот файл и чтения результатов из этого файла. Данные представляют собой последовательность входных значений от 1-100, управляемых счетчиком уменьшения, основанным на переменной cin пользователем: totals .
Проблема, с которой я сталкиваюсь, заключается в том, что файл не создается как variable.txt это gm.out.
я просмотрел кучу руководств, пытался самостоятельно устранить неполадки, пытался использовать fstream / ofstream / ifstream и т. Д… Я не могу понять это. Как я могу заставить его сначала записывать данные в файл, а затем читать ИЗ этого файла?
Ошибка, которую я в основном получаю, это:
data>>age;
No match for 'operator>>'.
И
132 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64- mingw324.9.2includec iomanip [Note] template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>amp; std::operator>>(std::basic_istream<_CharT, _Traits>amp;, std::_Setbase)
^^ это происходит из-за того, что я думаю, пытается использовать ofstream с
ios::in.
Я не уверен, как выполнить эту задачу.
#include <iostream>
#include <iomanip>
#include <cmath>
#include <cstring>
#include <fstream>
using namespace std;
int totalAges;
int age;
string str_fileIn;
int average = 0;
cout<<"Enter a filename.n";
cin>>str_fileIn;
ofstream data;
data.open //this may be the problem but i'm not sure why exactly.
((str_fileIn ".txt").c_str(), ios::in | ios::out);
counter = totalAges;
for (counter; counter>=1; --counter)
{
cout<<"Enter an age value 1-100. ";
cin>>age;
average = average age;
}
average = average /totalAges;
highest = age;
lowest = age;
while(data.is_open())
{
if (age > highest)
{highest = age;}
if (age < lowest)
{lowest = age;}
data>>age; //this operator will not work here!
counter ;
if (counter==totalAges)
data.close();
}
Извините, если я пропустил что-то важное, я попытался включить как можно больше информации, не будучи учебником.
Спасибо.
Список ошибок:
D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp In function 'int main()':
104 6 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp [Error] no match for 'operator>>' (operand types are 'std::ofstream {aka std::basic_ofstream<char>}' and 'int')
104 6 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp [Note] candidates are:
53 0 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec string In file included from C:/Program Files (x86)/Dev-Cpp/MinGW64/lib/gcc/x86_64-w64-mingw32/4.9.2/include/c /string
40 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec bitslocale_classes.h from C:/Program Files (x86)/Dev-Cpp/MinGW64/lib/gcc/x86_64-w64-mingw32/4.9.2/include/c /bits/locale_classes.h
41 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec bitsios_base.h from C:/Program Files (x86)/Dev-Cpp/MinGW64/lib/gcc/x86_64-w64-mingw32/4.9.2/include/c /bits/ios_base.h
42 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec ios from C:/Program Files (x86)/Dev-Cpp/MinGW64/lib/gcc/x86_64-w64-mingw32/4.9.2/include/c /ios
38 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec ostream from C:/Program Files (x86)/Dev-Cpp/MinGW64/lib/gcc/x86_64-w64-mingw32/4.9.2/include/c /ostream
39 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iostream from C:/Program Files (x86)/Dev-Cpp/MinGW64/lib/gcc/x86_64-w64-mingw32/4.9.2/include/c /iostream
22 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp from D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp
996 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec bitsbasic_string.tcc [Note] template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>amp; std::operator>>(std::basic_istream<_CharT, _Traits>amp;, std::basic_string<_CharT, _Traits, _Alloc>amp;)
996 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec bitsbasic_string.tcc [Note] template argument deduction/substitution failed:
104 8 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp [Note] 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
879 0 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec istream In file included from C:/Program Files (x86)/Dev-Cpp/MinGW64/lib/gcc/x86_64-w64-mingw32/4.9.2/include/c /istream
40 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iostream from C:/Program Files (x86)/Dev-Cpp/MinGW64/lib/gcc/x86_64-w64-mingw32/4.9.2/include/c /iostream
22 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp from D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp
955 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec bitsistream.tcc [Note] template<class _CharT2, class _Traits2> std::basic_istream<_CharT, _Traits>amp; std::operator>>(std::basic_istream<_CharT, _Traits>amp;, _CharT2*)
955 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec bitsistream.tcc [Note] template argument deduction/substitution failed:
104 8 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp [Note] 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
879 0 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec istream In file included from C:/Program Files (x86)/Dev-Cpp/MinGW64/lib/gcc/x86_64-w64-mingw32/4.9.2/include/c /istream
40 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iostream from C:/Program Files (x86)/Dev-Cpp/MinGW64/lib/gcc/x86_64-w64-mingw32/4.9.2/include/c /iostream
22 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp from D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp
923 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec bitsistream.tcc [Note] template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>amp; std::operator>>(std::basic_istream<_CharT, _Traits>amp;, _CharTamp;)
923 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec bitsistream.tcc [Note] template argument deduction/substitution failed:
104 8 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp [Note] 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
40 0 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iostream In file included from C:/Program Files (x86)/Dev-Cpp/MinGW64/lib/gcc/x86_64-w64-mingw32/4.9.2/include/c /iostream
22 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp from D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp
727 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec istream [Note] template<class _Traits> std::basic_istream<char, _Traits>amp; std::operator>>(std::basic_istream<char, _Traits>amp;, unsigned charamp;)
727 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec istream [Note] template argument deduction/substitution failed:
104 8 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp [Note] 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_istream<char, _Traits>'
40 0 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iostream In file included from C:/Program Files (x86)/Dev-Cpp/MinGW64/lib/gcc/x86_64-w64-mingw32/4.9.2/include/c /iostream
22 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp from D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp
732 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec istream [Note] template<class _Traits> std::basic_istream<char, _Traits>amp; std::operator>>(std::basic_istream<char, _Traits>amp;, signed charamp;)
732 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec istream [Note] template argument deduction/substitution failed:
104 8 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp [Note] 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_istream<char, _Traits>'
40 0 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iostream In file included from C:/Program Files (x86)/Dev-Cpp/MinGW64/lib/gcc/x86_64-w64-mingw32/4.9.2/include/c /iostream
22 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp from D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp
774 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec istream [Note] template<class _Traits> std::basic_istream<char, _Traits>amp; std::operator>>(std::basic_istream<char, _Traits>amp;, unsigned char*)
774 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec istream [Note] template argument deduction/substitution failed:
104 8 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp [Note] 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_istream<char, _Traits>'
40 0 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iostream In file included from C:/Program Files (x86)/Dev-Cpp/MinGW64/lib/gcc/x86_64-w64-mingw32/4.9.2/include/c /iostream
22 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp from D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp
779 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec istream [Note] template<class _Traits> std::basic_istream<char, _Traits>amp; std::operator>>(std::basic_istream<char, _Traits>amp;, signed char*)
779 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec istream [Note] template argument deduction/substitution failed:
104 8 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp [Note] 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_istream<char, _Traits>'
23 0 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp In file included from D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp
71 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iomanip [Note] template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>amp; std::operator>>(std::basic_istream<_CharT, _Traits>amp;, std::_Resetiosflags)
71 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iomanip [Note] template argument deduction/substitution failed:
104 8 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp [Note] 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
23 0 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp In file included from D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp
101 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iomanip [Note] template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>amp; std::operator>>(std::basic_istream<_CharT, _Traits>amp;, std::_Setiosflags)
101 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iomanip [Note] template argument deduction/substitution failed:
104 8 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp [Note] 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
23 0 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp In file included from D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp
132 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iomanip [Note] template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>amp; std::operator>>(std::basic_istream<_CharT, _Traits>amp;, std::_Setbase)
132 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iomanip [Note] template argument deduction/substitution failed:
104 8 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp [Note] 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
23 0 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp In file included from D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp
170 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iomanip [Note] template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>amp; std::operator>>(std::basic_istream<_CharT, _Traits>amp;, std::_Setfill<_CharT>)
170 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iomanip [Note] template argument deduction/substitution failed:
104 8 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp [Note] 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
23 0 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp In file included from D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp
200 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iomanip [Note] template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>amp; std::operator>>(std::basic_istream<_CharT, _Traits>amp;, std::_Setprecision)
200 5 C:Program Files (x86)Dev-Cpp MinGW64 lib gcc x86_64-w64-mingw324.9.2include c iomanip [Примечание] ошибка вычета / замены аргумента шаблона:
104 8 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp [Note] 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
23 0 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp In file included from D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp
230 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iomanip [Note] template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>amp; std::operator>>(std::basic_istream<_CharT, _Traits>amp;, std::_Setw)
230 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iomanip [Note] template argument deduction/substitution failed:
104 8 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp [Note] 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
122 9 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp [Error] no match for 'operator>>' (operand types are 'std::ofstream {aka std::basic_ofstream<char>}' and 'int')
122 9 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp [Note] candidates are:
53 0 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec string In file included from C:/Program Files (x86)/Dev-Cpp/MinGW64/lib/gcc/x86_64-w64-mingw32/4.9.2/include/c /string
40 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec bitslocale_classes.h from C:/Program Files (x86)/Dev-Cpp/MinGW64/lib/gcc/x86_64-w64-mingw32/4.9.2/include/c /bits/locale_classes.h
41 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec bitsios_base.h from C:/Program Files (x86)/Dev-Cpp/MinGW64/lib/gcc/x86_64-w64-mingw32/4.9.2/include/c /bits/ios_base.h
42 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec ios from C:/Program Files (x86)/Dev-Cpp/MinGW64/lib/gcc/x86_64-w64-mingw32/4.9.2/include/c /ios
38 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec ostream from C:/Program Files (x86)/Dev-Cpp/MinGW64/lib/gcc/x86_64-w64-mingw32/4.9.2/include/c /ostream
39 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iostream from C:/Program Files (x86)/Dev-Cpp/MinGW64/lib/gcc/x86_64-w64-mingw32/4.9.2/include/c /iostream
22 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp from D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp
996 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec bitsbasic_string.tcc [Note] template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>amp; std::operator>>(std::basic_istream<_CharT, _Traits>amp;, std::basic_string<_CharT, _Traits, _Alloc>amp;)
996 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec bitsbasic_string.tcc [Note] template argument deduction/substitution failed:
122 11 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp [Note] 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
879 0 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec istream In file included from C:/Program Files (x86)/Dev-Cpp/MinGW64/lib/gcc/x86_64-w64-mingw32/4.9.2/include/c /istream
40 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iostream from C:/Program Files (x86)/Dev-Cpp/MinGW64/lib/gcc/x86_64-w64-mingw32/4.9.2/include/c /iostream
22 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp from D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp
955 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec bitsistream.tcc [Note] template<class _CharT2, class _Traits2> std::basic_istream<_CharT, _Traits>amp; std::operator>>(std::basic_istream<_CharT, _Traits>amp;, _CharT2*)
955 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec bitsistream.tcc [Note] template argument deduction/substitution failed:
122 11 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp [Note] 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
879 0 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec istream In file included from C:/Program Files (x86)/Dev-Cpp/MinGW64/lib/gcc/x86_64-w64-mingw32/4.9.2/include/c /istream
40 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iostream from C:/Program Files (x86)/Dev-Cpp/MinGW64/lib/gcc/x86_64-w64-mingw32/4.9.2/include/c /iostream
22 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp from D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp
923 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec bitsistream.tcc [Note] template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>amp; std::operator>>(std::basic_istream<_CharT, _Traits>amp;, _CharTamp;)
923 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec bitsistream.tcc [Note] template argument deduction/substitution failed:
122 11 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp [Note] 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
40 0 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iostream In file included from C:/Program Files (x86)/Dev-Cpp/MinGW64/lib/gcc/x86_64-w64-mingw32/4.9.2/include/c /iostream
22 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp from D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp
727 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec istream [Note] template<class _Traits> std::basic_istream<char, _Traits>amp; std::operator>>(std::basic_istream<char, _Traits>amp;, unsigned charamp;)
727 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec istream [Note] template argument deduction/substitution failed:
122 11 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp [Note] 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_istream<char, _Traits>'
40 0 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iostream In file included from C:/Program Files (x86)/Dev-Cpp/MinGW64/lib/gcc/x86_64-w64-mingw32/4.9.2/include/c /iostream
22 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp from D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp
732 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec istream [Note] template<class _Traits> std::basic_istream<char, _Traits>amp; std::operator>>(std::basic_istream<char, _Traits>amp;, signed charamp;)
732 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec istream [Note] template argument deduction/substitution failed:
122 11 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp [Note] 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_istream<char, _Traits>'
40 0 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iostream In file included from C:/Program Files (x86)/Dev-Cpp/MinGW64/lib/gcc/x86_64-w64-mingw32/4.9.2/include/c /iostream
22 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp from D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp
774 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec istream [Note] template<class _Traits> std::basic_istream<char, _Traits>amp; std::operator>>(std::basic_istream<char, _Traits>amp;, unsigned char*)
774 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec istream [Note] template argument deduction/substitution failed:
122 11 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp [Note] 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_istream<char, _Traits>'
40 0 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iostream In file included from C:/Program Files (x86)/Dev-Cpp/MinGW64/lib/gcc/x86_64-w64-mingw32/4.9.2/include/c /iostream
22 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp from D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp
779 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec istream [Note] template<class _Traits> std::basic_istream<char, _Traits>amp; std::operator>>(std::basic_istream<char, _Traits>amp;, signed char*)
779 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec istream [Note] template argument deduction/substitution failed:
122 11 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp [Note] 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_istream<char, _Traits>'
23 0 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp In file included from D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp
71 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iomanip [Note] template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>amp; std::operator>>(std::basic_istream<_CharT, _Traits>amp;, std::_Resetiosflags)
71 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iomanip [Note] template argument deduction/substitution failed:
122 11 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp [Note] 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
23 0 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp In file included from D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp
101 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iomanip [Note] template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>amp; std::operator>>(std::basic_istream<_CharT, _Traits>amp;, std::_Setiosflags)
101 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iomanip [Note] template argument deduction/substitution failed:
122 11 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp [Note] 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
23 0 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp In file included from D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp
132 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iomanip [Note] template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>amp; std::operator>>(std::basic_istream<_CharT, _Traits>amp;, std::_Setbase)
132 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iomanip [Note] template argument deduction/substitution failed:
122 11 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp [Note] 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
23 0 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp In file included from D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp
170 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iomanip [Note] template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>amp; std::operator>>(std::basic_istream<_CharT, _Traits>amp;, std::_Setfill<_CharT>)
170 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64- mingw324.9.2includec iomanip [Note] template argument deduction/substitution failed:
122 11 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp [Примечание] ‘std::ofstream {он же std::basic_ofstream}’ не является производным от ‘std::basic_istream<_CharT, _Traits>’
23 0 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp In file included from D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp
200 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iomanip [Note] template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>amp; std::operator>>(std::basic_istream<_CharT, _Traits>amp;, std::_Setprecision)
200 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iomanip [Note] template argument deduction/substitution failed:
122 11 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp [Note] 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
23 0 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp In file included from D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp
230 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iomanip [Note] template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>amp; std::operator>>(std::basic_istream<_CharT, _Traits>amp;, std::_Setw)
230 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-mingw324.9.2includec iomanip [Note] template argument deduction/substitution failed:
122 11 D:Fall16_CIT133HW5COPY5001198106L_Chisholm_HW5_Q3.cpp [Note] 'std::ofstream {aka std::basic_ofstream<char>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
правка 1: добавлен #include — и список ошибок компилятора
Комментарии:
1. Где ваши
#includes?2. Пожалуйста, отредактируйте свой вопрос, чтобы включить дамп копирования-вставки полного вывода из компилятора, полностью и без редактирования. И включите возможные информационные примечания.
3. если вы хотите открыть файл, вы используете <fcntl.h> и вызываете fd = open(«аргументы») , затем считываете (fd, «аргументы») и записываете (fd, «аргументы) для ввода-вывода. gdsw.at/languages/c/programming-bbrown/c_075.htm
4. Используйте
fstreamвместоofstram5. Итак, я изменил данные на fstream, который он запускает, но файл по-прежнему является gmon.out Я убедился, что первое, что я сделал, это открыл файл. Должен ли я по-прежнему использовать <fcntl.h> и вызывать fd = open («аргументы») ?
Ответ №1:
Когда вы делаете
data>>age;
вы пытаетесь выполнить чтение из выходного потока. Вместо этого вы должны использовать << для записи:
data<<age;
Однако перед этим вам нужно проверить, действительно ли файл открыт, или любая запись в него не будет работать. Вам также необходимо убедиться, что файл создан там, где вы думаете, что он создан. Это может быть не там, где вы ожидаете, поэтому найдите его.
Ответ №2:
gmon.out Файл является результатом gprof работы инструмента профилирования среды выполнения. Вы должны включить gprof профилирование в настройках компиляции. Это не имеет никакого отношения к вашему выходному файлу.
Ваш выходной файл создается, если он вообще создается, в каталоге, из которого выполняется ваш исполняемый файл. Это не обязательно тот же каталог, в котором находятся ваши исходные файлы, или каталог, в котором создается исполняемый файл. Проверьте настройки вашего компилятора, чтобы определить, из какого каталога запускается ваш исполняемый файл, и вы должны найти variable.txt там свой файл.
Комментарии:
1. ошибка компилятора генерируется, потому
ofstreamчто не имеетoperator>>.