answer.code: In function ‘matrix operator+(matrix, matrix)’:
answer.code:15:39: warning: overflow in conversion from ‘LL’ {aka ‘long long int’} to ‘int’ changes value from ‘1000000000000000000’ to ‘-1486618624’ [-Woverflow]
   15 |                         c.mat[i][j] = INF;
      |                                       ^~~
answer.code: In function ‘void update(int)’:
answer.code:48:32: error: no match for ‘operator*’ (operand types are ‘matrix’ and ‘matrix’)
   48 |         mt(p) = Min(mt(p << 1) * mb(p << 1 | 1), mt(p << 1 | 1));
      |                                ^
In file included from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127,
                 from answer.code:2:
/usr/include/c++/14/complex:400:5: note: candidate: ‘template<class _Tp> std::complex<_Tp> std::operator*(const complex<_Tp>&, const complex<_Tp>&)’
  400 |     operator*(const complex<_Tp>& __x, const complex<_Tp>& __y)
      |     ^~~~~~~~
/usr/include/c++/14/complex:400:5: note:   template argument deduction/substitution failed:
answer.code:38:28: note:   ‘matrix’ is not derived from ‘const std::complex<_Tp>’
   38 |         #define mb(x) t[x].mb
      |                            ^~
answer.code:48:34: note: in expansion of macro ‘mb’
   48 |         mt(p) = Min(mt(p << 1) * mb(p << 1 | 1), mt(p << 1 | 1));
      |                                  ^~
/usr/include/c++/14/complex:409:5: note: candidate: ‘template<class _Tp> std::complex<_Tp> std::operator*(const complex<_Tp>&, const _Tp&)’
  409 |     operator*(const complex<_Tp>& __x, const _Tp& __y)
      |     ^~~~~~~~
/usr/include/c++/14/complex:409:5: note:   template argument deduction/substitution failed:
answer.code:38:28: note:   ‘matrix’ is not derived from ‘const std::complex<_Tp>’
   38 |         #define mb(x) t[x].mb
      |                            ^~
answer.code:48:34: note: in expansion of macro ‘mb’
   48 |         mt(p) = Min(mt(p << 1) * mb(p << 1 | 1), mt(p << 1 | 1));
      |                                  ^~
/usr/include/c++/14/complex:418:5: note: candidate: ‘template<class _Tp> std::complex<_Tp> std::operator*(const _Tp&, const complex<_Tp>&)’
  418 |     operator*(const _Tp& __x, const complex<_Tp>& __y)
      |     ^~~~~~~~
/usr/include/c++/14/complex:418:5: note:   template argument deduction/substitution failed:
answer.code:38:28: note:   ‘matrix’ is not derived from ‘const std::complex<_Tp>’
   38 |         #define mb(x) t[x].mb
      |                            ^~
answer.code:48:34: note: in expansion of macro ‘mb’
   48 |         mt(p) = Min(mt(p << 1) * mb(p << 1 | 1), mt(p << 1 | 1));
      |                                  ^~
In file included from /usr/include/c++/14/valarray:605,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:166:
/usr/include/c++/14/bits/valarray_after.h:407:5: note: candidate: ‘template<class _Dom1, class _Dom2> std::_Expr<std::__detail::_BinClos<std::__multiplies, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__multiplies, typename _Dom1::value_type>::result_type> std::operator*(const _Expr<_Dom1, typename _Dom1::value_type>&, const _Expr<_Dom2, typename _Dom2::value_type>&)’
  407 |     _DEFINE_EXPR_BINARY_OPERATOR(*, struct std::__multiplies)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:407:5: note:   template argument deduction/substitution failed:
answer.code:38:28: note:   ‘matrix’ is not derived from ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’
   38 |         #define mb(x) t[x].mb
      |                            ^~
answer.code:48:34: note: in expansion of macro ‘mb’
   48 |         mt(p) = Min(mt(p << 1) * mb(p << 1 | 1), mt(p << 1 | 1));
      |                                  ^~
/usr/include/c++/14/bits/valarray_after.h:407:5: note: candidate: ‘template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__multiplies, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__multiplies, typename _Dom1::value_type>::result_type> std::operator*(const _Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)’
  407 |     _DEFINE_EXPR_BINARY_OPERATOR(*, struct std::__multiplies)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:407:5: note:   template argument deduction/substitution failed:
answer.code:38:28: note:   ‘matrix’ is not derived from ‘const std::_Expr<_Dom1, typename _Dom1::value_type>’
   38 |         #define mb(x) t[x].mb
      |                            ^~
answer.code:48:34: note: in expansion of macro ‘mb’
   48 |         mt(p) = Min(mt(p << 1) * mb(p << 1 | 1), mt(p << 1 | 1));
      |                                  ^~
/usr/include/c++/14/bits/valarray_after.h:407:5: note: candidate: ‘template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__multiplies, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__multiplies, typen...