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View Compilation Error

0_0_24478776_17313.cpp: In function 'LL get_del(LL, int)':
0_0_24478776_17313.cpp:42:54: error: no matching function for call to 'pow(double)'
             ans -= mu[i] * (LL(pow((1.0 * n, 1.0 / i)) + 1e-8 - 1);
                                                      ^
0_0_24478776_17313.cpp:42:54: note: candidates are:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/cmath:44:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:41,
                 from 0_0_24478776_17313.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/math.h:151:18: note: double pow(double, double)
   double __cdecl pow(double _X,double _Y);
                  ^
GCC4.9.2/x86_64-w64-mingw32/include/math.h:151:18: note:   candidate expects 2 arguments, 1 provided
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/valarray:587:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:94,
                 from 0_0_24478776_17313.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/valarray_after.h:544:1: note: template<class _Tp> std::_Expr<std::_BinClos<std::_Pow, std::_Constant, std::_ValArray, _Tp, _Tp>, _Tp> std::pow(const _Tp&, const std::valarray<_Tp>&)
 _DEFINE_EXPR_BINARY_FUNCTION(pow, _Pow)
 ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/valarray_after.h:544:1: note:   template argument deduction/substitution failed:
0_0_24478776_17313.cpp:42:54: note:   candidate expects 2 arguments, 1 provided
             ans -= mu[i] * (LL(pow((1.0 * n, 1.0 / i)) + 1e-8 - 1);
                                                      ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/valarray:587:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:94,
                 from 0_0_24478776_17313.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/valarray_after.h:544:1: note: template<class _Tp> std::_Expr<std::_BinClos<std::_Pow, std::_ValArray, std::_Constant, _Tp, _Tp>, _Tp> std::pow(const std::valarray<_Tp>&, const _Tp&)
 _DEFINE_EXPR_BINARY_FUNCTION(pow, _Pow)
 ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/valarray_after.h:544:1: note:   template argument deduction/substitution failed:
0_0_24478776_17313.cpp:42:54: note:   mismatched types 'const std::valarray<_Tp>' and 'double'
             ans -= mu[i] * (LL(pow((1.0 * n, 1.0 / i)) + 1e-8 - 1);
                                                      ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/valarray:587:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:94,
                 from 0_0_24478776_17313.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/valarray_after.h:544:1: note: template<class _Tp> std::_Expr<std::_BinClos<std::_Pow, std::_ValArray, std::_ValArray, _Tp, _Tp>, _Tp> std::pow(const std::valarray<_Tp>&, const std::valarray<_Tp>&)
 _DEFINE_EXPR_BINARY_FUNCTION(pow, _Pow)
 ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/valarray_after.h:544:1: note:   template argument deduction/substitution failed:
0_0_24478776_17313.cpp:42:54: note:   mismatched types 'const std::valarray<_Tp>' and 'double'
             ans -= mu[i] * (LL(pow((1.0 * n, 1.0 / i)) + 1e-8 - 1);
                                                      ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/valarray:587:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:94,
                 from 0_0_24478776_17313.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/valarray_after.h:544:1: note: template<class _Dom> std::_Expr<std::_BinClos<std::_Pow, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename _Dom::value_type> std::pow(const typename _Dom::value_type&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)
 _DEFINE_EXPR_BINARY_FUNCTION(pow, _Pow)
 ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/valarray_after.h:544:1: note:   template argument deduction/substitution failed:
0_0_24478776_17313.cpp:42:54: note:   candidate expects 2 arguments, 1 provided
             ans -= mu[i] * (LL(pow((1.0 * n, 1.0 / i)) + 1e-8 - 1);
                                                      ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/valarray:587:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:94,
                 from 0_0_24478776_17313.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/valarray_after.h:544:1: note: template<class _Dom> std::_Expr<std::_BinClos<std::_Pow, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename _Dom::value_type> std::pow(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)
 _DEFINE_EXPR_BINARY_FUNCTION(pow, _Pow)
 ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/valarray_after.h:544:1: note:   template argument deduction/substitution failed:
0_0_24478776_17313.cpp:42:54: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'double'
             ans -= mu[i] * (LL(pow((1.0 * n, 1.0 / i)) + 1e-8 - 1);
                                                      ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/valarray:587:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:94,
                 from 0_0_24478776_17313.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/valarray_after.h:544:1: note: template<class _Dom> std::_Expr<std::_BinClos<std::_Pow, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename _Dom::value_type> std::pow(const std::valarray<typename _Dom::valarray>&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)
 _DEFINE_EXPR_BINARY_FUNCTION(pow, _Pow)
 ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/valarray_after.h:544:1: note:   template argument deduction/substitution failed:
0_0_24478776_17313.cpp:42:54: note:   candidate expects 2 arguments, 1 provided
             ans -= mu[i] * (LL(pow((1.0 * n, 1.0 / i)) + 1e-8 - 1);
                                                      ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/valarray:587:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:94,
                 from 0_0_24478776_17313.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/valarray_after.h:544:1: note: template<class _Dom> std::_Expr<std::_BinClos<std::_Pow, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename _Dom::value_type> std::pow(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::valarray<typename _Dom::value_type>&)
 _DEFINE_EXPR_BINARY_FUNCTION(pow, _Pow)
 ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/valarray_after.h:544:1: note:   template argument deduction/substitution failed:
0_0_24478776_17313.cpp:42:54: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'double'
             ans -= mu[i] * (LL(pow((1.0 * n, 1.0 / i)) + 1e-8 - 1);
                                                      ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/valarray:587:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:94,
                 from 0_0_24478776_17313.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/valarray_after.h:544:1: note: template<class _Dom1, class _Dom2> std::_Expr<std::_BinClos<std::_Pow, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename _Dom1::value_type> std::pow(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&)
 _DEFINE_EXPR_BINARY_FUNCTION(pow, _Pow)
 ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/valarray_after.h:544:1: note:   template argument deduction/substitution failed:
0_0_24478776_17313.cpp:42:54: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'double'
             ans -= mu[i] * (LL(pow((1.0 * n, 1.0 / i)) + 1e-8 - 1);
                                                      ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/ccomplex:38:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:52,
                 from 0_0_24478776_17313.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:1870:5: note: template<class _Tp, class _Up> std::complex<typename __gnu_cxx::__promote_2<_Tp, _Up>::__type> std::pow(const std::complex<_Tp>&, const std::complex<_Up>&)
     pow(const std::complex<_Tp>& __x, const std::complex<_Up>& __y)
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:1870:5: note:   template argument deduction/substitution failed:
0_0_24478776_17313.cpp:42:54: note:   mismatched types 'const std::complex<_Tp>' and 'double'
             ans -= mu[i] * (LL(pow((1.0 * n, 1.0 / i)) + 1e-8 - 1);
                                                      ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/ccomplex:38:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:52,
                 from 0_0_24478776_17313.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:1862:5: note: template<cla


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