0_0_16667669_14775.cpp: In function 'bool is2_open(__int128)':
0_0_16667669_14775.cpp:84:36: error: call of overloaded 'sqrt(__int128&)' is ambiguous
__int128 dir = (__int128)sqrt(n);
^
0_0_16667669_14775.cpp:84:36: 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++/random:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:66,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62,
from 0_0_16667669_14775.cpp:6:
GCC4.9.2/x86_64-w64-mingw32/include/math.h:152:18: note: double sqrt(double)
double __cdecl sqrt(double _X);
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/random:38:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:66,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62,
from 0_0_16667669_14775.cpp:6:
GCC4.9.2/x86_64-w64-mingw32/include/c++/cmath:486:3: note: constexpr long double std::sqrt(long double)
sqrt(long double __x)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/cmath:482:3: note: constexpr float std::sqrt(float)
sqrt(float __x)
^
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