Eilė
- [1] 2021-10-05 08:44 (0)
- [2] 2021-10-05 08:46 (100)
Taškai: 0
Compile: FAIL
eile.cpp: In function ‘int main()’: eile.cpp:20:18: error: no match for ‘operator<<’ (operand types are ‘std::ifstream {aka std::basic_ifstream<char>}’ and ‘__gnu_cxx::__alloc_traits<std::allocator<int> >::value_type {aka int}’) cout << eile.front() << endl; ^ eile.cpp:20:18: note: candidate: operator<<(int, __gnu_cxx::__alloc_traits<std::allocator<int> >::value_type {aka int}) <built-in> eile.cpp:20:18: note: no known conversion for argument 1 from ‘std::ifstream {aka std::basic_ifstream<char>}’ to ‘int’ In file included from /usr/include/c++/5/regex:61:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108, from eile.cpp:1: /usr/include/c++/5/bits/regex.h:1480:5: note: candidate: template<class _Ch_type, class _Ch_traits, class _Bi_iter> std::basic_ostream<_CharT, _Traits>& std::__cxx11::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::__cxx11::sub_match<_Bi_iter>&) operator<<(basic_ostream<_Ch_type, _Ch_traits>& __os, ^ /usr/include/c++/5/bits/regex.h:1480:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/future:40:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:103, from eile.cpp:1: /usr/include/c++/5/thread:243:5: note: candidate: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::thread::id) operator<<(basic_ostream<_CharT, _Traits>& __out, thread::id __id) ^ /usr/include/c++/5/thread:243:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94:0, from eile.cpp:1: /usr/include/c++/5/valarray:1175:1: note: candidate: template<class _Tp> std::_Expr<std::_BinClos<std::__shift_left, std::_Constant, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__shift_left, _Tp>::result_type> std::operator<<(const _Tp&, const std::valarray<_Tp>&) _DEFINE_BINARY_OPERATOR(<<, __shift_left) ^ /usr/include/c++/5/valarray:1175:1: note: template argument deduction/substitution failed: eile.cpp:20:32: note: mismatched types ‘const std::valarray<_Tp>’ and ‘__gnu_cxx::__alloc_traits<std::allocator<int> >::value_type {aka int}’ cout << eile.front() << endl; ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94:0, from eile.cpp:1: /usr/include/c++/5/valarray:1175:1: note: candidate: template<class _Tp> std::_Expr<std::_BinClos<std::__shift_left, std::_ValArray, std::_Constant, _Tp, _Tp>, typename std::__fun<std::__shift_left, _Tp>::result_type> std::operator<<(const std::valarray<_Tp>&, const _Tp&) _DEFINE_BINARY_OPERATOR(<<, __shift_left) ^ /usr/include/c++/5/valarray:1175:1: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘const std::valarray<_Tp>’ cout << eile.front() << endl; ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94:0, from eile.cpp:1: /usr/include/c++/5/valarray:1175:1: note: candidate: template<class _Tp> std::_Expr<std::_BinClos<std::__shift_left, std::_ValArray, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__shift_left, _Tp>::result_type> std::operator<<(const std::valarray<_Tp>&, const std::valarray<_Tp>&) _DEFINE_BINARY_OPERATOR(<<, __shift_left) ^ /usr/include/c++/5/valarray:1175:1: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘const std::valarray<_Tp>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/valarray:587:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94, from eile.cpp:1: /usr/include/c++/5/bits/valarray_after.h:410:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__shift_left, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__shift_left, typename _Dom1::value_type>::result_type> std::operator<<(const std::valarray<typename _Dom::value_type>&, const std::_Expr<_Dom1, typename _Dom1::value_type>&) _DEFINE_EXPR_BINARY_OPERATOR(<<, __shift_left) ^ /usr/include/c++/5/bits/valarray_after.h:410:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: mismatched types ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’ and ‘__gnu_cxx::__alloc_traits<std::allocator<int> >::value_type {aka int}’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/valarray:587:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94, from eile.cpp:1: /usr/include/c++/5/bits/valarray_after.h:410:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__shift_left, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__shift_left, typename _Dom1::value_type>::result_type> std::operator<<(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::valarray<typename _Dom::value_type>&) _DEFINE_EXPR_BINARY_OPERATOR(<<, __shift_left) ^ /usr/include/c++/5/bits/valarray_after.h:410:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/valarray:587:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94, from eile.cpp:1: /usr/include/c++/5/bits/valarray_after.h:410:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__shift_left, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__shift_left, typename _Dom1::value_type>::result_type> std::operator<<(const typename _Dom::value_type&, const std::_Expr<_Dom1, typename _Dom1::value_type>&) _DEFINE_EXPR_BINARY_OPERATOR(<<, __shift_left) ^ /usr/include/c++/5/bits/valarray_after.h:410:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: mismatched types ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’ and ‘__gnu_cxx::__alloc_traits<std::allocator<int> >::value_type {aka int}’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/valarray:587:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94, from eile.cpp:1: /usr/include/c++/5/bits/valarray_after.h:410:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__shift_left, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__shift_left, typename _Dom1::value_type>::result_type> std::operator<<(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&) _DEFINE_EXPR_BINARY_OPERATOR(<<, __shift_left) ^ /usr/include/c++/5/bits/valarray_after.h:410:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/valarray:587:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94, from eile.cpp:1: /usr/include/c++/5/bits/valarray_after.h:410:5: note: candidate: template<class _Dom1, class _Dom2> std::_Expr<std::_BinClos<std::__shift_left, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__shift_left, typename _Dom1::value_type>::result_type> std::operator<<(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&) _DEFINE_EXPR_BINARY_OPERATOR(<<, __shift_left) ^ /usr/include/c++/5/bits/valarray_after.h:410:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/memory:82:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:81, from eile.cpp:1: /usr/include/c++/5/bits/shared_ptr.h:66:5: note: candidate: template<class _Ch, class _Tr, class _Tp, __gnu_cxx::_Lock_policy _Lp> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::__shared_ptr<_Tp, _Lp>&) operator<<(std::basic_ostream<_Ch, _Tr>& __os, ^ /usr/include/c++/5/bits/shared_ptr.h:66:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:71:0, from eile.cpp:1: /usr/include/c++/5/iomanip:363:5: note: candidate: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Put_time<_CharT>) operator<<(basic_ostream<_CharT, _Traits>& __os, _Put_time<_CharT> __f) ^ /usr/include/c++/5/iomanip:363:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:71:0, from eile.cpp:1: /usr/include/c++/5/iomanip:311:5: note: candidate: template<class _CharT, class _Traits, class _MoneyT> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Put_money<_MoneyT>) operator<<(basic_ostream<_CharT, _Traits>& __os, _Put_money<_MoneyT> __f) ^ /usr/include/c++/5/iomanip:311:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:71:0, from eile.cpp:1: /usr/include/c++/5/iomanip:238:5: note: candidate: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Setw) operator<<(basic_ostream<_CharT, _Traits>& __os, _Setw __f) ^ /usr/include/c++/5/iomanip:238:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:71:0, from eile.cpp:1: /usr/include/c++/5/iomanip:208:5: note: candidate: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Setprecision) operator<<(basic_ostream<_CharT, _Traits>& __os, _Setprecision __f) ^ /usr/include/c++/5/iomanip:208:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:71:0, from eile.cpp:1: /usr/include/c++/5/iomanip:178:5: note: candidate: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Setfill<_CharT>) operator<<(basic_ostream<_CharT, _Traits>& __os, _Setfill<_CharT> __f) ^ /usr/include/c++/5/iomanip:178:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:71:0, from eile.cpp:1: /usr/include/c++/5/iomanip:143:5: note: candidate: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Setbase) operator<<(basic_ostream<_CharT, _Traits>& __os, _Setbase __f) ^ /usr/include/c++/5/iomanip:143:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:71:0, from eile.cpp:1: /usr/include/c++/5/iomanip:109:5: note: candidate: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Setiosflags) operator<<(basic_ostream<_CharT, _Traits>& __os, _Setiosflags __f) ^ /usr/include/c++/5/iomanip:109:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:71:0, from eile.cpp:1: /usr/include/c++/5/iomanip:79:5: note: candidate: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Resetiosflags) operator<<(basic_ostream<_CharT, _Traits>& __os, _Resetiosflags __f) ^ /usr/include/c++/5/iomanip:79:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:65:0, from eile.cpp:1: /usr/include/c++/5/bitset:1530:5: note: candidate: template<class _CharT, class _Traits, long unsigned int _Nb> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::bitset<_Nb>&) operator<<(std::basic_ostream<_CharT, _Traits>& __os, ^ /usr/include/c++/5/bitset:1530:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from eile.cpp:1: /usr/include/c++/5/bits/random.tcc:3160:5: note: candidate: template<class _RealType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::piecewise_linear_distribution<_RealType>&) operator<<(std::basic_ostream<_CharT, _Traits>& __os, ^ /usr/include/c++/5/bits/random.tcc:3160:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from eile.cpp:1: /usr/include/c++/5/bits/random.tcc:2944:5: note: candidate: template<class _RealType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::piecewise_constant_distribution<_RealType>&) operator<<(std::basic_ostream<_CharT, _Traits>& __os, ^ /usr/include/c++/5/bits/random.tcc:2944:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from eile.cpp:1: /usr/include/c++/5/bits/random.tcc:2734:5: note: candidate: template<class _IntType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::discrete_distribution<_IntType>&) operator<<(std::basic_ostream<_CharT, _Traits>& __os, ^ /usr/include/c++/5/bits/random.tcc:2734:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from eile.cpp:1: /usr/include/c++/5/bits/random.tcc:2275:5: note: candidate: template<class _RealType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::student_t_distribution<_RealType>&) operator<<(std::basic_ostream<_CharT, _Traits>& __os, ^ /usr/include/c++/5/bits/random.tcc:2275:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from eile.cpp:1: /usr/include/c++/5/bits/random.tcc:2200:5: note: candidate: template<class _RealType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::fisher_f_distribution<_RealType>&) operator<<(std::basic_ostream<_CharT, _Traits>& __os, ^ /usr/include/c++/5/bits/random.tcc:2200:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from eile.cpp:1: /usr/include/c++/5/bits/random.tcc:2036:5: note: candidate: template<class _RealType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::chi_squared_distribution<_RealType>&) operator<<(std::basic_ostream<_CharT, _Traits>& __os, ^ /usr/include/c++/5/bits/random.tcc:2036:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from eile.cpp:1: /usr/include/c++/5/bits/random.tcc:1963:5: note: candidate: template<class _RealType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::lognormal_distribution<_RealType>&) operator<<(std::basic_ostream<_CharT, _Traits>& __os, ^ /usr/include/c++/5/bits/random.tcc:1963:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from eile.cpp:1: /usr/include/c++/5/bits/random.tcc:1667:5: note: candidate: template<class _IntType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::binomial_distribution<_IntType>&) operator<<(std::basic_ostream<_CharT, _Traits>& __os, ^ /usr/include/c++/5/bits/random.tcc:1667:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from eile.cpp:1: /usr/include/c++/5/bits/random.tcc:1400:5: note: candidate: template<class _IntType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::poisson_distribution<_IntType>&) operator<<(std::basic_ostream<_CharT, _Traits>& __os, ^ /usr/include/c++/5/bits/random.tcc:1400:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from eile.cpp:1: /usr/include/c++/5/bits/random.tcc:1195:5: note: candidate: template<class _IntType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::negative_binomial_distribution<_IntType>&) operator<<(std::basic_ostream<_CharT, _Traits>& __os, ^ /usr/include/c++/5/bits/random.tcc:1195:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from eile.cpp:1: /usr/include/c++/5/bits/random.tcc:831:5: note: candidate: template<class _RandomNumberEngine, long unsigned int __k, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::shuffle_order_engine<_RandomNumberEngine, __k>&) operator<<(std::basic_ostream<_CharT, _Traits>& __os, ^ /usr/include/c++/5/bits/random.tcc:831:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from eile.cpp:1: /usr/include/c++/5/bits/random.tcc:702:5: note: candidate: template<class _RandomNumberEngine, long unsigned int __p, long unsigned int __r, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::discard_block_engine<_RandomNumberEngine, __p, __r>&) operator<<(std::basic_ostream<_CharT, _Traits>& __os, ^ /usr/include/c++/5/bits/random.tcc:702:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from eile.cpp:1: /usr/include/c++/5/bits/random.tcc:632:5: note: candidate: template<class _UIntType, long unsigned int __w, long unsigned int __s, long unsigned int __r, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::subtract_with_carry_engine<_UIntType, __w, __s, __r>&) operator<<(std::basic_ostream<_CharT, _Traits>& __os, ^ /usr/include/c++/5/bits/random.tcc:632:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from eile.cpp:1: /usr/include/c++/5/bits/random.tcc:156:5: note: candidate: template<class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::linear_congruential_engine<_UIntType, __a, __c, __m>&) operator<<(std::basic_ostream<_CharT, _Traits>& __os, ^ /usr/include/c++/5/bits/random.tcc:156:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from eile.cpp:1: /usr/include/c++/5/bits/random.tcc:2598:5: note: candidate: template<class _RealType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::extreme_value_distribution<_RealType>&) operator<<(std::basic_ostream<_CharT, _Traits>& __os, ^ /usr/include/c++/5/bits/random.tcc:2598:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from eile.cpp:1: /usr/include/c++/5/bits/random.tcc:2522:5: note: candidate: template<class _RealType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::weibull_distribution<_RealType>&) operator<<(std::basic_ostream<_CharT, _Traits>& __os, ^ /usr/include/c++/5/bits/random.tcc:2522:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from eile.cpp:1: /usr/include/c++/5/bits/random.tcc:1731:5: note: candidate: template<class _RealType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::exponential_distribution<_RealType>&) operator<<(std::basic_ostream<_CharT, _Traits>& __os, ^ /usr/include/c++/5/bits/random.tcc:1731:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from eile.cpp:1: /usr/include/c++/5/bits/random.tcc:2444:5: note: candidate: template<class _RealType1, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::gamma_distribution<_RealType>&) operator<<(std::basic_ostream<_CharT, _Traits>& __os, ^ /usr/include/c++/5/bits/random.tcc:2444:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from eile.cpp:1: /usr/include/c++/5/bits/random.tcc:1080:5: note: candidate: template<class _IntType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::geometric_distribution<_IntType>&) operator<<(std::basic_ostream<_CharT, _Traits>& __os, ^ /usr/include/c++/5/bits/random.tcc:1080:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from eile.cpp:1: /usr/include/c++/5/bits/random.tcc:1898:5: note: candidate: template<class _RealType1, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::normal_distribution<_RealType>&) operator<<(std::basic_ostream<_CharT, _Traits>& __os, ^ /usr/include/c++/5/bits/random.tcc:1898:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from eile.cpp:1: /usr/include/c++/5/bits/random.tcc:998:5: note: candidate: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::bernoulli_distribution&) operator<<(std::basic_ostream<_CharT, _Traits>& __os, ^ /usr/include/c++/5/bits/random.tcc:998:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from eile.cpp:1: /usr/include/c++/5/bits/random.tcc:2123:5: note: candidate: template<class _RealType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::cauchy_distribution<_RealType>&) operator<<(std::basic_ostream<_CharT, _Traits>& __os, ^ /usr/include/c++/5/bits/random.tcc:2123:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from eile.cpp:1: /usr/include/c++/5/bits/random.tcc:936:5: note: candidate: template<class _RealType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::uniform_real_distribution<_IntType>&) operator<<(std::basic_ostream<_CharT, _Traits>& __os, ^ /usr/include/c++/5/bits/random.tcc:936:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from eile.cpp:1: /usr/include/c++/5/bits/random.tcc:877:5: note: candidate: template<class _IntType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::uniform_int_distribution<_IntType>&) operator<<(std::basic_ostream<_CharT, _Traits>& __os, ^ /usr/include/c++/5/bits/random.tcc:877:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/random:51:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from eile.cpp:1: /usr/include/c++/5/bits/random.tcc:477:5: note: candidate: template<class _UIntType1, long unsigned int __w1, long unsigned int __n1, long unsigned int __m1, long unsigned int __r1, _UIntType1 __a1, long unsigned int __u1, _UIntType1 __d1, long unsigned int __s1, _UIntType1 __b1, long unsigned int __t1, _UIntType1 __c1, long unsigned int __l1, _UIntType1 __f1, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>&) operator<<(std::basic_ostream<_CharT, _Traits>& __os, ^ /usr/include/c++/5/bits/random.tcc:477:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/random:49:0, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64, from eile.cpp:1: /usr/include/c++/5/bits/random.h:1269:5: note: candidate: template<class _RandomNumberEngine, long unsigned int __w, class _UIntType, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::independent_bits_engine<_RandomNumberEngine, __w, _UIntType>&) operator<<(std::basic_ostream<_CharT, _Traits>& __os, ^ /usr/include/c++/5/bits/random.h:1269:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/ccomplex:38:0, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from eile.cpp:1: /usr/include/c++/5/complex:526:5: note: candidate: template<class _Tp, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::complex<_Tp>&) operator<<(basic_ostream<_CharT, _Traits>& __os, const complex<_Tp>& __x) ^ /usr/include/c++/5/complex:526:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/istream:39:0, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from eile.cpp:1: /usr/include/c++/5/ostream:628:5: note: candidate: 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++/5/ostream:628:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/istream:39:0, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from eile.cpp:1: /usr/include/c++/5/ostream:574:5: note: candidate: 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++/5/ostream:574:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<char, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/istream:39:0, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from eile.cpp:1: /usr/include/c++/5/ostream:569:5: note: candidate: 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++/5/ostream:569:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<char, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/istream:39:0, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from eile.cpp:1: /usr/include/c++/5/ostream:556:5: note: candidate: 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++/5/ostream:556:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<char, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/ostream:638:0, from /usr/include/c++/5/istream:39, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from eile.cpp:1: /usr/include/c++/5/bits/ostream.tcc:321:5: note: candidate: 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++/5/bits/ostream.tcc:321:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/istream:39:0, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from eile.cpp:1: /usr/include/c++/5/ostream:539:5: note: candidate: 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++/5/ostream:539:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/istream:39:0, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from eile.cpp:1: /usr/include/c++/5/ostream:519:5: note: candidate: 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++/5/ostream:519:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<char, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/istream:39:0, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from eile.cpp:1: /usr/include/c++/5/ostream:514:5: note: candidate: 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++/5/ostream:514:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<char, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/istream:39:0, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from eile.cpp:1: /usr/include/c++/5/ostream:508:5: note: candidate: 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++/5/ostream:508:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<char, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/istream:39:0, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from eile.cpp:1: /usr/include/c++/5/ostream:502:5: note: candidate: 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++/5/ostream:502:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/istream:39:0, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from eile.cpp:1: /usr/include/c++/5/ostream:497:5: note: candidate: 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++/5/ostream:497:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/bits/ios_base.h:46:0, from /usr/include/c++/5/ios:42, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from eile.cpp:1: /usr/include/c++/5/system_error:209:5: note: candidate: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::error_code&) operator<<(basic_ostream<_CharT, _Traits>& __os, const error_code& __e) ^ /usr/include/c++/5/system_error:209:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^ In file included from /usr/include/c++/5/string:52:0, 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/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from eile.cpp:1: /usr/include/c++/5/bits/basic_string.h:5172:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&) operator<<(basic_ostream<_CharT, _Traits>& __os, ^ /usr/include/c++/5/bits/basic_string.h:5172:5: note: template argument deduction/substitution failed: eile.cpp:20:32: note: ‘std::ifstream {aka std::basic_ifstream<char>}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ cout << eile.front() << endl; ^
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