Tifa's CP Library

:warning: tuple_op (src/code/util/tuple_op.hpp)

Depends on

Code

#ifndef TIFALIBS_UTIL_TUPLE_OP
#define TIFALIBS_UTIL_TUPLE_OP

#include "tuple_push_pop.hpp"

namespace tuple_op_impl_ {
template <class Tpl, class Op2, usz... Is>
constexpr auto apply2_impl_(Op2 f, Tpl &&l, Tpl &&r, std::index_sequence<Is...>) { return std::make_tuple(f(std::get<Is>(l), std::get<Is>(r))...); }
}  // namespace tuple_op_impl_

template <class Tpl, class Op2>
constexpr auto tuple_apply2(Op2 &&f, Tpl &&l, Tpl &&r) { return tuple_op_impl_::apply2_impl_(std::forward<Op2>(f), l, r, std::make_index_sequence<tifa_libs::tuple_size<Tpl>>()); }

#define OO_PTEQ_(op)                                                                   \
  template <class... Ts>                                                               \
  constexpr auto operator op(std::tuple<Ts...> const &l, std::tuple<Ts...> const &r) { \
    return tuple_apply2([](auto &&l, auto &&r) { return l op r; }, l, r);              \
  }                                                                                    \
  template <class... Ts>                                                               \
  constexpr auto operator op##=(std::tuple<Ts...> &l, std::tuple<Ts...> const &r) { return l = l op r; }

OO_PTEQ_(+)
OO_PTEQ_(-)
OO_PTEQ_(*)
OO_PTEQ_(/)
OO_PTEQ_(%)
OO_PTEQ_(&)
OO_PTEQ_(|)
OO_PTEQ_(^)
OO_PTEQ_(<<)
OO_PTEQ_(>>)

#undef OO_PTEQ_

#endif
#line 1 "src/code/util/tuple_op.hpp"



#line 1 "src/code/util/tuple_push_pop.hpp"



#line 1 "src/code/util/traits.hpp"



#line 1 "src/code/util/util.hpp"



#include <bits/stdc++.h>

template <class T>
constexpr T abs(T x) { return x < 0 ? -x : x; }

using i8 = int8_t;
using i16 = int16_t;
using i32 = int32_t;
using i64 = int64_t;
using i128 = __int128_t;
using isz = ptrdiff_t;

using u8 = uint8_t;
using u16 = uint16_t;
using u32 = uint32_t;
using u64 = uint64_t;
using u128 = __uint128_t;
using usz = size_t;

using f32 = float;
using f64 = double;
using f128 = long double;

template <class T>
using ptt = std::pair<T, T>;
template <class T>
using pt3 = std::tuple<T, T, T>;
template <class T>
using pt4 = std::tuple<T, T, T, T>;

template <class T, usz N>
using arr = std::array<T, N>;
template <class T>
using vec = std::vector<T>;
template <class T>
using vvec = vec<vec<T>>;
template <class T>
using v3ec = vec<vvec<T>>;
template <class U, class T>
using vecp = vec<std::pair<U, T>>;
template <class U, class T>
using vvecp = vvec<std::pair<U, T>>;
template <class T>
using vecpt = vec<ptt<T>>;
template <class T>
using vvecpt = vvec<ptt<T>>;

template <class T, class C = std::less<T>>
using pq = std::priority_queue<T, vec<T>, C>;
template <class T>
using pqg = std::priority_queue<T, vec<T>, std::greater<T>>;

using strn = std::string;
using strnv = std::string_view;

using vecu = vec<u32>;
using vvecu = vvec<u32>;
using v3ecu = v3ec<u32>;
using vecu64 = vec<u64>;
using vecb = vec<bool>;
using vvecb = vvec<bool>;

#ifdef ONLINE_JUDGE
#undef assert
#define assert(x) 42
#endif

using namespace std::literals;

constexpr i8 operator""_i8(unsigned long long x) { return (i8)x; }
constexpr i16 operator""_i16(unsigned long long x) { return (i16)x; }
constexpr i32 operator""_i32(unsigned long long x) { return (i32)x; }
constexpr i64 operator""_i64(unsigned long long x) { return (i64)x; }
constexpr isz operator""_iz(unsigned long long x) { return (isz)x; }

constexpr u8 operator""_u8(unsigned long long x) { return (u8)x; }
constexpr u16 operator""_u16(unsigned long long x) { return (u16)x; }
constexpr u32 operator""_u32(unsigned long long x) { return (u32)x; }
constexpr u64 operator""_u64(unsigned long long x) { return (u64)x; }
constexpr usz operator""_uz(unsigned long long x) { return (usz)x; }

inline const auto fn_0 = [](auto&&...) {};


#line 5 "src/code/util/traits.hpp"

namespace tifa_libs {

template <class T>
concept iterable_c = requires(T v) {
  { v.begin() } -> std::same_as<typename T::iterator>;
  { v.end() } -> std::same_as<typename T::iterator>;
};

template <class T>
concept container_c = iterable_c<T> && !std::derived_from<T, std::basic_string<typename T::value_type>>;

template <class T>
constexpr bool is_char_v = std::is_same_v<T, char> || std::is_same_v<T, signed char> || std::is_same_v<T, unsigned char>;
template <class T>
concept char_c = is_char_v<T>;

template <class T>
constexpr bool is_s128_v = std::is_same_v<T, __int128_t> || std::is_same_v<T, __int128>;
template <class T>
concept s128_c = is_s128_v<T>;

template <class T>
constexpr bool is_u128_v = std::is_same_v<T, __uint128_t> || std::is_same_v<T, unsigned __int128>;
template <class T>
concept u128_c = is_u128_v<T>;

template <class T>
constexpr bool is_i128_v = is_s128_v<T> || is_u128_v<T>;
template <class T>
concept i128_c = is_u128_v<T>;

template <class T>
constexpr bool is_int_v = std::is_integral_v<T> || is_i128_v<T>;
template <class T>
concept int_c = is_int_v<T>;

template <class T>
constexpr bool is_sint_v = is_s128_v<T> || (is_int_v<T> && std::is_signed_v<T>);
template <class T>
concept sint_c = is_sint_v<T>;

template <class T>
constexpr bool is_uint_v = is_u128_v<T> || (is_int_v<T> && std::is_unsigned_v<T>);
template <class T>
concept uint_c = is_uint_v<T>;

template <class T>
concept mint_c = requires(T x) {
  { x.mod() } -> uint_c;
  { x.val() } -> uint_c;
};

template <class T>
constexpr bool is_arithm_v = std::is_arithmetic_v<T> || is_int_v<T>;
template <class T>
concept arithm_c = is_arithm_v<T>;

template <class T>
struct to_sint : std::make_signed<T> {};
template <>
struct to_sint<u128> {
  using type = u128;
};
template <>
struct to_sint<i128> {
  using type = u128;
};
template <class T>
using to_sint_t = typename to_sint<T>::type;

template <class T>
struct to_uint : std::make_unsigned<T> {};
template <>
struct to_uint<u128> {
  using type = u128;
};
template <>
struct to_uint<i128> {
  using type = u128;
};
template <class T>
using to_uint_t = typename to_uint<T>::type;

}  // namespace tifa_libs


#line 5 "src/code/util/tuple_push_pop.hpp"

namespace tifa_libs {
namespace tuple_push_pop_impl_ {
template <usz bgn, class Tpl, usz... Is>
constexpr auto subtuple_impl_(Tpl &&t, std::index_sequence<Is...>) { return std::make_tuple(std::get<Is + bgn>(t)...); }
}  // namespace tuple_push_pop_impl_

template <class Tpl>
constexpr usz tuple_size = std::tuple_size_v<std::remove_cvref_t<Tpl>>;

template <usz bgn, usz len, class Tpl>
constexpr auto subtuple(Tpl &&t) {
  static_assert(bgn <= tuple_size<Tpl> && len <= tuple_size<Tpl> && bgn + len <= tuple_size<Tpl>, "Out of range");
  return tuple_push_pop_impl_::subtuple_impl_<bgn>(t, std::make_index_sequence<len>());
}
template <usz pos, class T, class Tpl>
constexpr auto tuple_push(T &&v, Tpl &&t) {
  static_assert(tuple_size<Tpl> > 0, "Pop from empty tuple");
  return std::tuple_cat(subtuple<0, pos>(t), std::make_tuple(v), subtuple<pos, tuple_size<Tpl> - pos>(t));
}
template <class T, class Tpl>
constexpr auto tuple_push_front(T &&v, Tpl &&t) { return tuple_push<0>(v, t); }
template <class T, class Tpl>
constexpr auto tuple_push_back(T &&v, Tpl &&t) { return tuple_push<tuple_size<Tpl>>(v, t); }

template <usz pos, class Tpl>
constexpr auto tuple_pop(Tpl &&t) {
  static_assert(tuple_size<Tpl> > 0, "Pop from empty tuple");
  return std::tuple_cat(subtuple<0, pos>(t), subtuple<pos + 1, tuple_size<Tpl> - pos - 1>(t));
}
template <class Tpl>
constexpr auto tuple_pop_front(Tpl &&t) { return tuple_pop<0>(t); }
template <class Tpl>
constexpr auto tuple_pop_back(Tpl &&t) { return tuple_pop<tuple_size<Tpl> - 1>(t); }

}  // namespace tifa_libs


#line 5 "src/code/util/tuple_op.hpp"

namespace tuple_op_impl_ {
template <class Tpl, class Op2, usz... Is>
constexpr auto apply2_impl_(Op2 f, Tpl &&l, Tpl &&r, std::index_sequence<Is...>) { return std::make_tuple(f(std::get<Is>(l), std::get<Is>(r))...); }
}  // namespace tuple_op_impl_

template <class Tpl, class Op2>
constexpr auto tuple_apply2(Op2 &&f, Tpl &&l, Tpl &&r) { return tuple_op_impl_::apply2_impl_(std::forward<Op2>(f), l, r, std::make_index_sequence<tifa_libs::tuple_size<Tpl>>()); }

#define OO_PTEQ_(op)                                                                   \
  template <class... Ts>                                                               \
  constexpr auto operator op(std::tuple<Ts...> const &l, std::tuple<Ts...> const &r) { \
    return tuple_apply2([](auto &&l, auto &&r) { return l op r; }, l, r);              \
  }                                                                                    \
  template <class... Ts>                                                               \
  constexpr auto operator op##=(std::tuple<Ts...> &l, std::tuple<Ts...> const &r) { return l = l op r; }

OO_PTEQ_(+)
OO_PTEQ_(-)
OO_PTEQ_(*)
OO_PTEQ_(/)
OO_PTEQ_(%)
OO_PTEQ_(&)
OO_PTEQ_(|)
OO_PTEQ_(^)
OO_PTEQ_(<<)
OO_PTEQ_(>>)

#undef OO_PTEQ_


Back to top page