alg/monoid/dummy.hpp

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• Last update: 2026-04-13 08:42:22+09:00
• Include: #include "alg/monoid/dummy.hpp"

Required by

• ds/dummy_data_structure.hpp
• ds/wavelet_matrix/wavelet_matrix.hpp
• ds/wavelet_matrix/wavelet_matrix_2d_range.hpp
• graph/ds/tree_wavelet_matrix.hpp
• string/prefix_substring_LCS.hpp

Verified with

• test/2_library_checker/data_structure/point_add_rectangle_sum_wm_abel.test.cpp
• test/2_library_checker/data_structure/point_add_rectangle_sum_wm_mono.test.cpp
• test/2_library_checker/data_structure/range_kth_smallest_wavelet.test.cpp
• test/2_library_checker/data_structure/rectangle_sum_wm.test.cpp
• test/2_library_checker/data_structure/rectangle_sum_wm_abel.test.cpp
• test/2_library_checker/string/prefix_substring_lcs.test.cpp
• test/3_yukicoder/1332.test.cpp
• test/3_yukicoder/1600_2.test.cpp
• test/3_yukicoder/1625_2.test.cpp
• test/3_yukicoder/1919_2.test.cpp
• test/3_yukicoder/2065.test.cpp
• test/3_yukicoder/2859.test.cpp
• test/3_yukicoder/919.test.cpp
• test/3_yukicoder/924.test.cpp

Code

struct Monoid_Dummy {
  using value_type = char;
  static constexpr bool commute = true;
  static value_type op(value_type, value_type) { return 0; }
  static value_type unit() { return 0; }
};

#line 1 "alg/monoid/dummy.hpp"
struct Monoid_Dummy {
  using value_type = char;
  static constexpr bool commute = true;
  static value_type op(value_type, value_type) { return 0; }
  static value_type unit() { return 0; }
};

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