0_0_36839591_11223.cpp: In static member function 'static constexpr mat mat::e()':
0_0_36839591_11223.cpp:12:93: error: no matching function for call to 'mat::mat(<brace-enclosed initializer list>)'
static constexpr mat e(){return mat{array<array<ll,2>,2>{array<ll,2>{1,0},array<ll,2>{0,1}}};}
^
0_0_36839591_11223.cpp:12:93: note: candidates are:
0_0_36839591_11223.cpp:10:8: note: mat::mat()
struct mat
^
0_0_36839591_11223.cpp:10:8: note: candidate expects 0 arguments, 1 provided
0_0_36839591_11223.cpp:10:8: note: constexpr mat::mat(const mat&)
0_0_36839591_11223.cpp:10:8: note: no known conversion for argument 1 from 'std::array<std::array<long long int, 2ull>, 2ull>' to 'const mat&'
0_0_36839591_11223.cpp:10:8: note: constexpr mat::mat(mat&&)
0_0_36839591_11223.cpp:10:8: note: no known conversion for argument 1 from 'std::array<std::array<long long int, 2ull>, 2ull>' to 'mat&&'
0_0_36839591_11223.cpp:12:95: error: body of constexpr function 'static constexpr mat mat::e()' not a return-statement
static constexpr mat e(){return mat{array<array<ll,2>,2>{array<ll,2>{1,0},array<ll,2>{0,1}}};}
^
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