Monoid: Add
(algebra/monoid_add.hpp)

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• Last update: 2026-10-23 22:06:19+09:00
• Include: #include "algebra/monoid_add.hpp"

Required by

• Group: Add (algebra/group_add.hpp)

Verified with

• test/library-checker/unionfind_with_potential.test.cpp
• test/unit/monoid.test.cpp
• test/unit/sqrt_tree.test.cpp
• test/unit/weighted_dsu.test.cpp

Code

#pragma once
template <class T>
struct monoid_add {
    using S = T;
    static S op(S a, S b) {
        return a + b;
    }
    static S e() {
        return T(0);
    }
};

#line 2 "algebra/monoid_add.hpp"
template <class T>
struct monoid_add {
    using S = T;
    static S op(S a, S b) {
        return a + b;
    }
    static S e() {
        return T(0);
    }
};

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