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152 | #pragma once
#include <iostream><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <string><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <vector><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <iterator><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <utility>
#include <tuple><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <ranges><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <concepts><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include "snippet/aliases.hpp"
#include "internal/dev_env.hpp"
#include "internal/resolving_rank.hpp"
#include "utility/functional.hpp"
#include "numeric/modular/modint_interface.hpp"
#include "adaptor/valarray.hpp"
namespace uni {
template<std::derived_from<std::ios_base> Source = std::istream>
struct input_adaptor {
using source_type = Source;
private:
template<class T>
requires std::derived_from<T, std::valarray<typename T::value_type>>
auto _set(uni::internal::resolving_rank<6>, T& val) noexcept(NO_EXCEPT) -> int {
this->operator()(ALL(val));
return 0;
}
template<class T>
requires
requires (source_type& in, T& val) {
in >> val;
}
int _set(uni::internal::resolving_rank<5>, T& val) noexcept(NO_EXCEPT) {
*this->in >> val;
return 0;
}
template<std::ranges::range T>
int _set(uni::internal::resolving_rank<4>, T& val) noexcept(NO_EXCEPT) {
this->operator()(std::ranges::begin(val), std::ranges::end(val));
return 0;
}
template<class T>
requires
requires (T& val) {
val.first;
val.second;
}
int _set(uni::internal::resolving_rank<3>, T& val) noexcept(NO_EXCEPT) {
*this >> val.first >> val.second;
return 0;
}
template<class T>
requires
requires (T& val) {
std::get<0>(val);
}
int _set(uni::internal::resolving_rank<2>, T& val) noexcept(NO_EXCEPT) {
tuple_for_each([this](auto&& v) { *this >> v; }, val);
return 0;
}
template<uni::internal::modint_family T>
int _set(uni::internal::resolving_rank<1>, T& val) noexcept(NO_EXCEPT) {
std::int64_t v; std::cin >> v;
val = { v };
return 0;
}
template<class T>
requires
requires {
typename T::value_type;
}
int _set(uni::internal::resolving_rank<0>, T& val) noexcept(NO_EXCEPT) {
typename T::value_type v; *this >> v;
val = { v };
return 0;
}
protected:
template<class T>
source_type *set(T& val) noexcept(NO_EXCEPT) {
this->_set(uni::internal::resolving_rank<10>{}, val);
return this->in;
}
template<class T>
source_type *set(T&& _val) noexcept(NO_EXCEPT) {
T val = _val;
this->_set(uni::internal::resolving_rank<10>{}, val);
return this->in;
}
public:
using char_type = typename source_type::char_type;
source_type *in;
input_adaptor(source_type *_in = &std::cin) noexcept(NO_EXCEPT) : in(_in) {}<--- Struct 'input_adaptor' has a constructor with 1 argument that is not explicit. [+]Struct 'input_adaptor' has a constructor with 1 argument that is not explicit. Such, so called "Converting constructors", should in general be explicit for type safety reasons as that prevents unintended implicit conversions.
template<class T>
inline input_adaptor& operator>>(T&& s) noexcept(NO_EXCEPT) {
this->set(std::forward<T>(s));
return *this;
}
template<class T>
inline T one() noexcept(NO_EXCEPT) {
T val; *this >> val;
return val;
}
template<class T>
inline auto& operator()(T& val) noexcept(NO_EXCEPT) {
*this >> val;
return *this;
}
template<class T, class... Args>
inline auto& operator()(T& head, Args&... tail) noexcept(NO_EXCEPT) {
*this >> head;
this->operator()(tail...);
return *this;
}
template<std::input_or_output_iterator I, std::sentinel_for<I> S>
inline auto& operator()(I first, S last) noexcept(NO_EXCEPT) {
for(I itr=first; itr!=last; ++itr) *this >> *itr;
return *this;
}
explicit operator bool() const noexcept(NO_EXCEPT) { return (bool)*this->in; }
};
} // namespace uni
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