Main.cc: In function ‘int main()’:
Main.cc:7:12: warning: lambda capture initializers only available with -std=c++14 or -std=gnu++14
cout<<[n(n+1)]/2;
^
Main.cc: In lambda function:
Main.cc:7:19: error: expected ‘{’ before ‘/’ token
cout<<[n(n+1)]/2;
^
Main.cc: In function ‘int main()’:
Main.cc:7:19: error: no match for ‘operator/’ (operand types are ‘main()::’ and ‘int’)
cout<<[n(n+1)]/2;
In file included from /usr/include/c++/7/ccomplex:39:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from Main.cc:1:
/usr/include/c++/7/complex:416:5: note: candidate: template std::complex<_Tp> std::operator/(const std::complex<_Tp>&, const std::complex<_Tp>&)
operator/(const complex<_Tp>& __x, const complex<_Tp>& __y)
^~~~~~~~
/usr/include/c++/7/complex:416:5: note: template argument deduction/substitution failed:
Main.cc:7:20: note: ‘main()::’ is not derived from ‘const std::complex<_Tp>’
cout<<[n(n+1)]/2;
^
In file included from /usr/include/c++/7/ccomplex:39:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from Main.cc:1:
/usr/include/c++/7/complex:425:5: note: candidate: template std::complex<_Tp> std::operator/(const std::complex<_Tp>&, const _Tp&)
operator/(const complex<_Tp>& __x, const _Tp& __y)
^~~~~~~~
/usr/include/c++/7/complex:425:5: note: template argument deduction/substitution failed:
Main.cc:7:20: note: ‘main()::’ is not derived from ‘const std::complex<_Tp>’
cout<<[n(n+1)]/2;
^
In file included from /usr/include/c++/7/ccomplex:39:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from Main.cc:1:
/usr/include/c++/7/complex:434:5: note: candidate: template std::complex<_Tp> std::operator/(const _Tp&, const std::complex<_Tp>&)
operator/(const _Tp& __x, const complex<_Tp>& __y)
^~~~~~~~
/usr/include/c++/7/complex:434:5: note: template argument deduction/substitution failed:
Main.cc:7:20: note: mismatched types ‘const std::complex<_Tp>’ and ‘int’
cout<<[n(n+1)]/2;
^
In file included from /usr/include/c++/7/valarray:592:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:95,
from Main.cc:1:
/usr/include/c++/7/bits/valarray_after.h:405:5: note: candidate: template std::_Expr, typename std::__fun::result_type> std::operator/(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&)
_DEFINE_EXPR_BINARY_OPERATOR(/, __divides)
^
/usr/include/c++/7/bits/valarray_after.h:405:5: note: template argument deduction/substitution failed:
Main.cc:7:20: note: ‘main()::’ is not derived from ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’
cout<<[n(n+1)]/2;
^
In file included from /usr/include/c++/7/valarray:592:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:95,
from Main.cc:1:
/usr/include/c++/7/bits/valarray_after.h:405:5: note: candidate: template std::_Expr, typename std::__fun::result_type> std::operator/(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)
_DEFINE_EXPR_BINARY_OPERATOR(/, __divides)
^
/usr/include/c++/7/bits/valarray_after.h:405:5: note: template argument deduction/substitution failed:
Main.cc:7:20: note: ‘main()::’ is not derived from ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’
cout<<[n(n+1)]/2;
^
In file included from /usr/include/c++/7/valarray:592:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:95,
from Main.cc:1:
/usr/include/c++/7/bits/valarray_after.h:405:5: note: candidate: template std::_Expr, typename std::__fun::result_type> std::operator/(const typename _Dom::value_type&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)
_DEFINE_EXPR_BINARY_OPERATOR(/, __divides)
^
/usr/include/c++/7/bits/valarray_after.h:405:5: note: template argument deduction/substitution failed:
Main.cc:7:20: note: mismatched types ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’ and ‘int’
cout<<[n(n+1)]/2;
^
In file included from /usr/include/c++/7/valarray:592:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:95,
from Main.cc:1:
/usr/include/c++/7/bits/valarray_after.h:405:5: note: candidate: template std::_Expr, typename std::__fun::result_type> std::operator/(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::valarray&)
_DEFINE_EXPR_BINARY_OPERATOR(/, __divides)
^
/usr/include/c++/7/bits/valarray_after.h:405:5: note: template argument deduction/substitution failed:
Main.cc:7:20: note: ‘main()::’ is not derived from ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’
cout<<[n(n+1)]/2;
^
In file included from /usr/include/c++/7/valarray:592:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:95,
from Main.cc:1:
/usr/include/c++/7/bits/valarray_after.h:405:5: note: candidate: template std::_Expr, typename std::__fun::result_type> std::operator/(const std::valarray&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)
_DEFINE_EXPR_BINARY_OPERATOR(/, __divides)
^
/usr/include/c++/7/bits/valarray_after.h:405:5: note: template argument deduction/substitution failed:
Main.cc:7:20: note: mismatched types ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’ and ‘int’
cout<<[n(n+1)]/2;
^
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:95:0,
from Main.cc:1:
/usr/include/c++/7/valarray:1175:1: note: candidate: template std::_Expr, typename std::__fun::result_type> std::operator/(const std::valarray<_Tp>&, const std::valarray<_Tp>&)
_DEFINE_BINARY_OPERATOR(/, __divides)
^
/usr/include/c++/7/valarray:1175:1: note: template argument deduction/substitution failed:
Main.cc:7:20: note: ‘main()::’ is not derived from ‘const std::valarray<_Tp>’
cout<<[n(n+1)]/2;
^
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:95:0,
from Main.cc:1:
/usr/include/c++/7/valarray:1175:1: note: candidate: template std::_Expr, typename std::__fun::result_type> std::operator/(const std::valarray<_Tp>&, const _Tp&)
_DEFINE_BINARY_OPERATOR(/, __divides)
^
/usr/include/c++/7/valarray:1175:1: note: template argument deduction/substitution failed:
Main.cc:7:20: note: ‘main()::’ is not derived from ‘const std::valarray<_Tp>’
cout<<[n(n+1)]/2;
^
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:95:0,
from Main.cc:1:
/usr/include/c++/7/valarray:1175:1: note: candidate: template std::_Expr, typename std::__fun::result_type> std::operator/(const _Tp&, const std::valarray<_Tp>&)
_DEFINE_BINARY_OPERATOR(/, __divides)
^
/usr/include/c++/7/valarray:1175:1: note: template argument deduction/substitution failed:
Main.cc:7:20: note: mismatched types ‘const std::valarray<_Tp>’ and ‘int’
cout<<[n(n+1)]/2;
^