lib/monoid/monoid_add.hpp

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• Last update: 2024-06-15 17:22:49+08:00
• Include: #include "lib/monoid/monoid_add.hpp"

Depends on

• Internal Definition (lib/internal.hpp)
• lib/monoid/monoid_trait.hpp

Verified with

• verify/ds/dynamic_sequence_range_affine_range_sum_rbst.test.cpp
• verify/ds/dynamic_sequence_range_affine_range_sum_splay.test.cpp
• verify/ds/dynamic_tree_vertex_add_path_sum.test.cpp
• verify/ds/point_add_range_sum.test.cpp

Code

#pragma once
#include "lib/internal.hpp"
#include "lib/monoid/monoid_trait.hpp"

namespace mono {

template <typename T>
struct MonoidAdd : MonoidTrait<T, true, ftf<std::plus<T>, const T, const T>>
{};

template <typename T1, typename T2> struct MonoidAdd<std::pair<T1, T2>>
{
  using S = std::pair<T1, T2>;
  static constexpr S op(const S &x, const S &y)
  {
    return S{x.first + y.first, x.second + y.second};
  }
  static constexpr const S un() { return S{T1(), T2()}; }
  static constexpr S iv(const S &x) { return S{-x.first, -x.second}; }
  static constexpr S pw(const S &x, u64 y)
  {
    return S{x.first * y, x.second * y};
  }
  static constexpr bool cm = true;
};

} // namespace mono

Traceback (most recent call last):
  File "/home/runner/.local/lib/python3.10/site-packages/onlinejudge_verify/documentation/build.py", line 71, in _render_source_code_stat
    bundled_code = language.bundle(stat.path, basedir=basedir, options={'include_paths': [basedir]}).decode()
  File "/home/runner/.local/lib/python3.10/site-packages/onlinejudge_verify/languages/cplusplus.py", line 187, in bundle
    bundler.update(path)
  File "/home/runner/.local/lib/python3.10/site-packages/onlinejudge_verify/languages/cplusplus_bundle.py", line 401, in update
    self.update(self._resolve(pathlib.Path(included), included_from=path))
  File "/home/runner/.local/lib/python3.10/site-packages/onlinejudge_verify/languages/cplusplus_bundle.py", line 312, in update
    raise BundleErrorAt(path, i + 1, "#pragma once found in a non-first line")
onlinejudge_verify.languages.cplusplus_bundle.BundleErrorAt: lib/internal.hpp: line 4: #pragma once found in a non-first line

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