Tifa's CP Library

:heavy_check_mark: test/cpv/aizu-itp1/itp1_7_d.cpp

Depends on

Code

// competitive-verifier: PROBLEM https://onlinejudge.u-aizu.ac.jp/courses/lesson/2/ITP1/all/ITP1_7_D
#include "../../../src/lalg/ds/mat/lib.hpp"

using namespace tifa_libs;
int main() {
  std::cin.tie(nullptr)->std::ios::sync_with_stdio(false);
  u32 n, m, l;
  std::cin >> n >> m >> l;
  matrix<u64> a(n, m), b(m, l);
  std::cin >> a >> b;
  std::cout << a * b << '\n';
  return 0;
}
#line 1 "test/cpv/aizu-itp1/itp1_7_d.cpp"
// competitive-verifier: PROBLEM https://onlinejudge.u-aizu.ac.jp/courses/lesson/2/ITP1/all/ITP1_7_D
#line 2 "src/lalg/ds/mat/lib.hpp"

#line 2 "src/util/traits/others/lib.hpp"
// clang-format off
#line 2 "src/util/alias/others/lib.hpp"

#line 2 "src/util/consts/lib.hpp"

#line 2 "src/util/alias/num/lib.hpp"

#line 2 "src/util/util/lib.hpp"
// https://github.com/Tiphereth-A/CP-lib
#include <bits/extc++.h>
// clang-format off
namespace tifa_libs {

#define CEXP constexpr
#define CEXPE constexpr explicit
#define CR const&
#define CP const*
#define PC *const
#define CPC const*const
#define TPN typename
#define NE noexcept
#define CNE const noexcept
#define ND [[nodiscard]]
#define cT_(...) std::conditional_t<sizeof(__VA_ARGS__) <= sizeof(size_t) * 2, __VA_ARGS__, __VA_ARGS__ CR>
// NOLINTNEXTLINE(misc-const-correctness)
#define flt_(T, i, l, r, ...) for (T i = (l), i##e = (r)__VA_OPT__(, ) __VA_ARGS__; i < i##e; ++i)
#define retif_(cond, if_true, ...) if cond return if_true __VA_OPT__(; else return __VA_ARGS__)
#ifdef ONLINE_JUDGE
#undef assert
#define assert(x) 42
#endif

using namespace std::ranges;
using namespace std::literals;

template <class T>
CEXP T abs(T x) NE { retif_((x < 0), -x, x); }

}  // namespace tifa_libs
// clang-format on
#line 4 "src/util/alias/num/lib.hpp"
// clang-format off
namespace tifa_libs {

#define mk0_(w, t) using w = t; using c##w = const t
#define mk_(w, t) mk0_(w, t); CEXP w operator""_##w(unsigned long long x) NE { return (w)x; }
mk_(i8, int8_t) mk_(u8, uint8_t) mk_(i16, int16_t) mk_(u16, uint16_t) mk_(i32, int32_t) mk_(u32, uint32_t) mk_(i64, int64_t) mk_(u64, uint64_t) mk_(isz, ssize_t) mk_(usz, size_t) mk_(chr, char) mk_(schr, signed char) mk_(uchr, unsigned char) mk_(sint, signed) mk_(uint, unsigned);
mk0_(i128, __int128_t); mk0_(u128, __uint128_t); mk0_(f32, float); mk0_(f64, double); mk0_(f128, long double);
#undef mk0_
#undef mk_

}  // namespace tifa_libs
// clang-format on
#line 4 "src/util/consts/lib.hpp"
// clang-format off
namespace tifa_libs {
using std::numbers::pi_v;
template <std::floating_point FP>
inline FP eps_v = std::sqrt(std::numeric_limits<FP>::epsilon());
template <std::floating_point FP>
CEXP void set_eps(FP v) NE { eps_v<FP> = v; }
CEXP u32 TIME = ((__TIME__[0] & 15) << 20) | ((__TIME__[1] & 15) << 16) | ((__TIME__[3] & 15) << 12) | ((__TIME__[4] & 15) << 8) | ((__TIME__[6] & 15) << 4) | (__TIME__[7] & 15);
CEXP auto STR2U16 = [] { std::array<u32, 65536> table{}; table.fill(-1_u32); flt_ (u32, i, 48, 58) flt_ (u32, j, 48, 58) table[i << 8 | j] = (j & 15) * 10 + (i & 15); return table; }();

inline const auto fn_0 = [](auto&&...) NE {};
inline const auto fn_is0 = [](auto x) NE { return x == 0; };
}  // namespace tifa_libs
// clang-format on
#line 4 "src/util/alias/others/lib.hpp"

namespace tifa_libs {

template <class T>
struct chash {
  CEXP static u64 C = u64(pi_v<f128> * 2e18) | 71;
  CEXP u64 operator()(T x) CNE { return __builtin_bswap64(((u64)x ^ TIME) * C); }
};
// clang-format off
#define mk_(w, t) using w = t; using c##w = const t;
mk_(strn, std::string) mk_(strnv, std::string_view)
#undef mk_
template <class T> struct edge_t { T w; u32 u, v; CEXP auto operator<=>(edge_t CR) const = default; }; template <class T> using cedge_t = const edge_t<T>;
template <class T> struct pt3 { T _0, _1, _2; CEXP auto operator<=>(pt3 CR) const = default; }; template <class T> using cpt3 = const pt3<T>;
template <class T> struct pt4 { T _0, _1, _2, _3; CEXP auto operator<=>(pt4 CR) const = default; }; template <class T> using cpt4 = const pt4<T>;
#define mkT_(w, t, ...) template <class T> using w = t __VA_OPT__(, ) __VA_ARGS__; template <class T> using c##w = const t __VA_OPT__(, ) __VA_ARGS__;
mkT_(ptt, std::pair<T, T>) mkT_(alc, std::pmr::polymorphic_allocator<T>) mkT_(vec, std::vector<T>) mkT_(vvec, vec<vec<T>>) mkT_(v3ec, vvec<vec<T>>) mkT_(vecpt, vec<ptt<T>>) mkT_(vvecpt, vvec<ptt<T>>) mkT_(ptvec, ptt<vec<T>>) mkT_(ptvvec, ptt<vvec<T>>)
#undef mkT_
template <class T> using itl = std ::initializer_list<T>;
template <class T, usz ext = std::dynamic_extent> using spn = std::span<T const, ext>;
template <class T, usz N> using arr = std::array<T, N>; template <class T, usz N> using carr = std::array<const T, N>;
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 U, class T> using vvecp = vvec<std::pair<U, T>>; template <class U, class T> using vvvecp = vvec<vvec<std::pair<U, T>>>;
#ifdef PB_DS_ASSOC_CNTNR_HPP
template <class T, class C = std::less<T>> using set = __gnu_pbds::tree<T, __gnu_pbds::null_type, C>;
template <class K, class V, class C = std::less<K>> using map = __gnu_pbds::tree<K, V, C>;
// hset<u64> s({}, {}, {}, {}, {1<<16});
template <class T, class HF = chash<T>> using hset = __gnu_pbds::gp_hash_table<T, __gnu_pbds::null_type, HF>;
// hmap<u64, int> s({}, {}, {}, {}, {1<<16});
template <class K, class V, class HF = chash<K>> using hmap = __gnu_pbds::gp_hash_table<K, V, HF>;
#else
using std::set, std::map;
template <class T, class HF = chash<T>> using hset = std::unordered_set<T, HF>;
template <class K, class V, class HF = chash<K>> using hmap = std::unordered_map<K, V, HF>;
#endif
#ifdef PB_DS_PRIORITY_QUEUE_HPP
template <class T, class C = std::less<T>> using pq = __gnu_pbds::priority_queue<T, C>;
#else
template <class T, class C = std::less<T>> using pq = std::priority_queue<T, vec<T>, C>;
#endif
template <class T> using pqg = pq<T, std::greater<T>>;
// clang-format on
#define mk1_(V, A, T) using V##A = V<T>;
#define mk_(V, A, T) mk1_(V, A, T) mk1_(c##V, A, T)
#define mk(A, T) mk_(edge_t, A, T) mk_(ptt, A, T) mk_(pt3, A, T) mk_(pt4, A, T) mk_(vec, A, T) mk_(vvec, A, T) mk_(v3ec, A, T) mk_(vecpt, A, T) mk_(vvecpt, A, T) mk_(ptvec, A, T) mk_(ptvvec, A, T) mk1_(spn, A, T) mk1_(itl, A, T)
mk(b, bool) mk(c, chr) mk(i, i32) mk(u, u32) mk(ii, i64) mk(uu, u64) mk(t, isz) mk(z, usz) mk(f, f32) mk(d, f64) mk(s, strn);
#undef mk
#undef mk_
#undef mk1_

}  // namespace tifa_libs
#line 4 "src/util/traits/others/lib.hpp"

namespace tifa_libs {

//! only for template without non-type argument
template <class, template <class...> class> CEXP bool specialized_from_v = false;
template <template <class...> class T, class... Args> CEXP bool specialized_from_v<T<Args...>, T> = true;
static_assert(specialized_from_v<vecu, std::vector>);
template <class T> concept container_c = common_range<T> && !std::is_array_v<std::remove_cvref_t<T>> && !std::same_as<std::remove_cvref_t<T>, strn> && !std::same_as<std::remove_cvref_t<T>, strnv>;
template <class T> concept istream_c = std::derived_from<T, std::istream> || std::derived_from<T, std::wistream> || requires(T is) { is.peek(); };
template <class T> concept ostream_c = std::derived_from<T, std::ostream> || std::derived_from<T, std::wostream> || requires(T os) { os.flush(); };

}  // namespace tifa_libs
// clang-format on
#line 4 "src/lalg/ds/mat/lib.hpp"

namespace tifa_libs {

#define FOR1_(i, l, r) for (u32 i = (l), i##ed__ = (r); i < i##ed__; ++i)
#define FOR2_(i, row_l, row_r, j, col_l, col_r) \
  FOR1_ (i, row_l, row_r)                       \
    FOR1_ (j, col_l, col_r)

template <class T>
class matrix {
  vec<T> d;
  u32 r_, c_;
  bool tr_;

 public:
  using val_t = T;

  CEXP matrix(u32 row, u32 col, cT_(T) v = T{}) NE : d(row* col, v), r_{row}, c_{col}, tr_{false} { assert(row > 0 && col > 0); }
  CEXP matrix(u32 row, u32 col, spn<T> data) NE : d(data), r_{row}, c_{col}, tr_{false} { assert(row > 0 && col > 0 && d.size() == row * col); }
  CEXP matrix(vvec<T> CR data) NE : d(data.size() * data[0].size()), r_((u32)data.size()), c_((u32)data[0].size()), tr_{false} {
    assert(data.size() > 0 && data[0].size() > 0);
    FOR1_ (i, 1, r_) assert((u32)data[i].size() == c_);
    FOR2_ (i, 0, r_, j, 0, c_) (*this)(i, j) = data[i][j];
  }

  ND CEXP u32 row() CNE { retif_((tr_), c_, r_); }
  ND CEXP u32 col() CNE { retif_((tr_), r_, c_); }
  ND CEXP vec<T> CR data() CNE { return d; }
  CEXP vec<T>& data() NE { return d; }
  CEXP TPN vec<T>::reference operator()(u32 r, u32 c) NE { retif_((tr_), d[c * c_ + r], d[r * c_ + c]); }
  CEXP TPN vec<T>::const_reference operator()(u32 r, u32 c) CNE { retif_((tr_), d[c * c_ + r], d[r * c_ + c]); }
  CEXP matrix& trans() NE {
    tr_ = !tr_;
    return *this;
  }
  template <class F>
  CEXP void apply(F&& f) NE { apply_range(0, row(), 0, col(), std::forward<F>(f)); }
  template <class F>
  requires requires(F f, u32 i, u32 j, T& val) { f(i, j, val); }
  CEXP void apply_range(u32 row_l, u32 row_r, u32 col_l, u32 col_r, F&& f) NE {
    assert(row_l < row_r && row_r <= row() && col_l < col_r && col_r <= col());
    T val;
    FOR2_ (i, row_l, row_r, j, col_l, col_r) f(i, j, val = (*this)(i, j)), (*this)(i, j) = val;
  }

  friend auto& operator>>(istream_c auto& is, matrix& mat) NE {
    cu32 r_ = mat.row(), c_ = mat.col();
    FOR2_ (i, 0, r_, j, 0, c_) is >> mat(i, j);
    return is;
  }
  friend auto& operator<<(ostream_c auto& os, matrix CR mat) NE {
    cu32 r_ = mat.row(), c_ = mat.col();
    FOR2_ (i, 0, r_ - 1, j, 0, c_) os << mat(i, j) << " \n"[j + 1 == c_];
    os << mat(r_ - 1, 0);
    FOR1_ (j, 1, c_) os << ' ' << mat(r_ - 1, j);
    return os;
  }
  ND CEXP matrix submat(u32 row_l, u32 row_r, u32 col_l, u32 col_r) CNE {
    assert(row_l < row_r && row_r <= row() && col_l < col_r && col_r <= col());
    matrix ret(row_r - row_l, col_r - col_l);
    FOR2_ (i, row_l, row_r, j, col_l, col_r) ret(i - row_l, j - col_l) = (*this)(i, j);
    return ret;
  }
  CEXP void swap_row(u32 r1, u32 r2) NE {
    if (assert(r1 < row() && r2 < row()); r1 == r2) return;
    FOR1_ (j, 0, col()) swap((*this)(r1, j), (*this)(r2, j));
  }
  CEXP void swap_col(u32 c1, u32 c2) NE {
    if (assert(c1 < col() && c2 < col()); c1 == c2) return;
    FOR1_ (i, 0, row()) swap((*this)(i, c1), (*this)(i, c2));
  }
  CEXP matrix operator-() CNE {
    if CEXP (std::is_same_v<T, bool>) return *this;
    else {
      matrix ret = *this;
      ret.apply([](u32, u32, T& v) NE { v = -v; });
      return ret;
    }
  }
  friend CEXP matrix operator+(matrix l, cT_(T) v) NE { return l += v; }
  friend CEXP matrix operator+(cT_(T) v, matrix l) NE { return l += v; }
  CEXP matrix& operator+=(cT_(T) v) NE {
    if CEXP (std::is_same_v<T, bool>) apply([&v](u32, u32, auto& val) NE { val = val ^ v; });
    else apply([&v](u32, u32, T& val) NE { val += v; });
    return *this;
  }
  friend CEXP matrix operator-(matrix l, cT_(T) v) NE { return l -= v; }
  CEXP matrix& operator-=(cT_(T) v) NE {
    if CEXP (std::is_same_v<T, bool>) apply([&v](u32, u32, auto& val) NE { val = val ^ v; });
    else apply([&v](u32, u32, T& val) NE { val -= v; });
    return *this;
  }
  friend CEXP matrix operator*(matrix l, cT_(T) v) NE { return l *= v; }
  friend CEXP matrix operator*(cT_(T) v, matrix l) NE { return l *= v; }
  CEXP matrix& operator*=(cT_(T) v) NE {
    if CEXP (std::is_same_v<T, bool>) {
      if (!v) fill(begin(d), end(d), false);
      return *this;
    } else apply([&v](u32, u32, T& val) NE { val *= v; });
    return *this;
  }
  friend CEXP matrix operator+(matrix l, matrix CR r) NE { return l += r; }
  CEXP matrix& operator+=(matrix CR r) NE {
    assert(row() == r.row() && col() == r.col());
    if CEXP (std::is_same_v<T, bool>) apply([&r](u32 i, u32 j, auto& val) NE { val = val ^ r(i, j); });
    else apply([&r](u32 i, u32 j, T& val) NE { val += r(i, j); });
    return *this;
  }
  friend CEXP matrix operator-(matrix l, matrix CR r) NE { return l -= r; }
  CEXP matrix& operator-=(matrix CR r) NE {
    assert(row() == r.row() && col() == r.col());
    if CEXP (std::is_same_v<T, bool>) apply([&r](u32 i, u32 j, auto& val) NE { val = val ^ r(i, j); });
    else apply([&r](u32 i, u32 j, T& val) NE { val -= r(i, j); });
    return *this;
  }
  friend CEXP matrix operator*(matrix CR l, matrix CR r) NE {
    cu32 i_ = l.row(), j_ = l.col(), k_ = r.col();
    assert(j_ == r.row());
    matrix ret(i_, k_);
    FOR1_ (i, 0, i_)
      FOR1_ (j, 0, j_)
        FOR1_ (k, 0, k_)
          if CEXP (std::is_same_v<T, bool>) ret(i, k) = ret(i, k) ^ (l(i, j) && r(j, k));
          else ret(i, k) += l(i, j) * r(j, k);
    return ret;
  }
  CEXP matrix& operator*=(matrix CR r) NE { return *this = *this * r; }
  ND CEXP vec<T> lproj(spn<T> x) CNE {
    cu32 r_ = row(), c_ = col();
    assert(r_ == x.size());
    vec<T> ret(c_);
    FOR1_ (j, 0, c_)
      if CEXP (std::is_same_v<T, bool>) {
        bool v = false;
        FOR1_ (i, 0, r_) v = v ^ ((*this)(i, j) && x[i]);
        ret[j] = v;
      } else {
        T v{};
        FOR1_ (i, 0, r_) v += (*this)(i, j) * x[i];
        ret[j] = v;
      }
    return ret;
  }
  CEXP bool operator==(matrix CR r) CNE {
    if (row() != r.row() || col() != r.col()) return false;
    FOR2_ (i, 0, row(), j, 0, col())
      if ((*this)(i, j) != r(i, j)) return false;
    return true;
  }
};

#undef FOR1_
#undef FOR2_

}  // namespace tifa_libs
#line 3 "test/cpv/aizu-itp1/itp1_7_d.cpp"

using namespace tifa_libs;
int main() {
  std::cin.tie(nullptr)->std::ios::sync_with_stdio(false);
  u32 n, m, l;
  std::cin >> n >> m >> l;
  matrix<u64> a(n, m), b(m, l);
  std::cin >> a >> b;
  std::cout << a * b << '\n';
  return 0;
}

Test cases

Env Name Status Elapsed Memory
verify-g++ 00_sample_00 :heavy_check_mark: AC 9 ms 22 MB
verify-g++ 01_small_00 :heavy_check_mark: AC 8 ms 20 MB
verify-g++ 01_small_01 :heavy_check_mark: AC 8 ms 22 MB
verify-g++ 01_small_02 :heavy_check_mark: AC 8 ms 22 MB
verify-g++ 01_small_03 :heavy_check_mark: AC 8 ms 22 MB
verify-g++ 02_corner_00 :heavy_check_mark: AC 8 ms 22 MB
verify-g++ 02_corner_01 :heavy_check_mark: AC 8 ms 22 MB
verify-g++ 02_corner_02 :heavy_check_mark: AC 8 ms 22 MB
verify-g++ 02_corner_03 :heavy_check_mark: AC 8 ms 22 MB
verify-g++ 02_corner_04 :heavy_check_mark: AC 8 ms 22 MB
verify-g++ 03_rand_00 :heavy_check_mark: AC 8 ms 22 MB
verify-g++ 03_rand_01 :heavy_check_mark: AC 8 ms 22 MB
verify-g++ 03_rand_02 :heavy_check_mark: AC 8 ms 22 MB
verify-g++ 03_rand_03 :heavy_check_mark: AC 9 ms 22 MB
verify-g++ 04_large_00 :heavy_check_mark: AC 9 ms 22 MB
verify-g++ 04_large_01 :heavy_check_mark: AC 9 ms 22 MB
verify-g++ 05_maximum_00 :heavy_check_mark: AC 26 ms 22 MB
verify-g++ 05_maximum_01 :heavy_check_mark: AC 26 ms 22 MB
coverage-g++ 00_sample_00 :heavy_check_mark: AC 2 ms 4 MB
coverage-g++ 01_small_00 :heavy_check_mark: AC 2 ms 4 MB
coverage-g++ 01_small_01 :heavy_check_mark: AC 2 ms 4 MB
coverage-g++ 01_small_02 :heavy_check_mark: AC 2 ms 4 MB
coverage-g++ 01_small_03 :heavy_check_mark: AC 2 ms 4 MB
coverage-g++ 02_corner_00 :heavy_check_mark: AC 2 ms 4 MB
coverage-g++ 02_corner_01 :heavy_check_mark: AC 2 ms 4 MB
coverage-g++ 02_corner_02 :heavy_check_mark: AC 2 ms 4 MB
coverage-g++ 02_corner_03 :heavy_check_mark: AC 2 ms 4 MB
coverage-g++ 02_corner_04 :heavy_check_mark: AC 2 ms 4 MB
coverage-g++ 03_rand_00 :heavy_check_mark: AC 2 ms 4 MB
coverage-g++ 03_rand_01 :heavy_check_mark: AC 2 ms 4 MB
coverage-g++ 03_rand_02 :heavy_check_mark: AC 2 ms 4 MB
coverage-g++ 03_rand_03 :heavy_check_mark: AC 3 ms 4 MB
coverage-g++ 04_large_00 :heavy_check_mark: AC 2 ms 4 MB
coverage-g++ 04_large_01 :heavy_check_mark: AC 3 ms 4 MB
coverage-g++ 05_maximum_00 :heavy_check_mark: AC 19 ms 4 MB
coverage-g++ 05_maximum_01 :heavy_check_mark: AC 19 ms 4 MB
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