other/monoids/linear.hpp

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• Last update: 2022-07-17 07:03:54+09:00
• Include: #include "other/monoids/linear.hpp"

Verified with

• test/library_checker/data_structure/point_set_range_composite.test.cpp
• test/library_checker/data_structure/queue_operate_all_composite.test.cpp
• test/library_checker/data_structure/range_affine_point_get.test.cpp
• test/library_checker/data_structure/range_affine_range_sum.test.cpp
• test/yukicoder/yuki_1891.test.cpp

Code

#pragma once
struct linear{
  long long a, b;
  linear(){
    a = 1;
    b = 0;
  }
  linear(int a, int b): a(a), b(b){
  }
};
linear composite(linear A, linear B){
  return linear(A.a * B.a % MOD, (A.b * B.a + B.b) % MOD);
}
int value(linear A, int x){
  return (A.a * x + A.b) % MOD;
}

#line 2 "other/monoids/linear.hpp"
struct linear{
  long long a, b;
  linear(){
    a = 1;
    b = 0;
  }
  linear(int a, int b): a(a), b(b){
  }
};
linear composite(linear A, linear B){
  return linear(A.a * B.a % MOD, (A.b * B.a + B.b) % MOD);
}
int value(linear A, int x){
  return (A.a * x + A.b) % MOD;
}

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