View Compilation Error

0_0_39193555_2948.cpp: In function 'void solve(int)':
0_0_39193555_2948.cpp:222:48: error: no matching function for call to 'Tag::Tag(<brace-enclosed initializer list>)'
  222 |         seg.modify(ml, mr, (Tag){o ? -1.0 : 1.0});
      |                                                ^
0_0_39193555_2948.cpp:158:5: note: candidate: 'constexpr Tag::Tag()'
  158 |     Tag() = default;
      |     ^~~
0_0_39193555_2948.cpp:158:5: note:   candidate expects 0 arguments, 1 provided
0_0_39193555_2948.cpp:156:8: note: candidate: 'constexpr Tag::Tag(const Tag&)'
  156 | struct Tag {
      |        ^~~
0_0_39193555_2948.cpp:156:8: note:   no known conversion for argument 1 from 'double' to 'const Tag&'
0_0_39193555_2948.cpp:156:8: note: candidate: 'constexpr Tag::Tag(Tag&&)'
0_0_39193555_2948.cpp:156:8: note:   no known conversion for argument 1 from 'double' to 'Tag&&'