alg/default_prod.hpp

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• Last update: 2025-09-01 19:47:27+09:00
• Include: #include "alg/default_prod.hpp"

Required by

• ds/segtree/dynamic_segtree.hpp

Verified with

• test/2_library_checker/data_structure/point_set_range_composite_dynamic.test.cpp
• test/2_library_checker/data_structure/range_kth_smallest_pseg.test.cpp
• test/3_yukicoder/1036.test.cpp
• test/3_yukicoder/1649.test.cpp
• test/3_yukicoder/1826.test.cpp
• test/3_yukicoder/2935.test.cpp
• test/3_yukicoder/789.test.cpp

Code

template <class Monoid>
struct DefaultUnitProd {
  using X = typename Monoid::value_type;
  static constexpr bool unit_only = true;
  X operator()(long long, long long) const { return Monoid::unit(); }
};

#line 1 "alg/default_prod.hpp"
template <class Monoid>
struct DefaultUnitProd {
  using X = typename Monoid::value_type;
  static constexpr bool unit_only = true;
  X operator()(long long, long long) const { return Monoid::unit(); }
};

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