結果
問題 | No.1460 Max of Min |
ユーザー | KoD |
提出日時 | 2021-03-31 22:26:57 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 685 ms / 2,000 ms |
コード長 | 3,798 bytes |
コンパイル時間 | 2,636 ms |
コンパイル使用メモリ | 209,004 KB |
実行使用メモリ | 11,136 KB |
最終ジャッジ日時 | 2024-05-09 08:37:51 |
合計ジャッジ時間 | 31,241 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 487 ms
11,132 KB |
testcase_04 | AC | 499 ms
11,136 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 482 ms
11,136 KB |
testcase_07 | AC | 496 ms
11,136 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 663 ms
11,008 KB |
testcase_11 | AC | 611 ms
11,008 KB |
testcase_12 | AC | 70 ms
5,376 KB |
testcase_13 | AC | 445 ms
10,368 KB |
testcase_14 | AC | 111 ms
5,760 KB |
testcase_15 | AC | 47 ms
5,376 KB |
testcase_16 | AC | 302 ms
9,856 KB |
testcase_17 | AC | 182 ms
7,168 KB |
testcase_18 | AC | 5 ms
5,376 KB |
testcase_19 | AC | 154 ms
6,640 KB |
testcase_20 | AC | 7 ms
5,376 KB |
testcase_21 | AC | 19 ms
5,376 KB |
testcase_22 | AC | 158 ms
6,912 KB |
testcase_23 | AC | 4 ms
5,376 KB |
testcase_24 | AC | 203 ms
7,680 KB |
testcase_25 | AC | 4 ms
5,376 KB |
testcase_26 | AC | 383 ms
10,872 KB |
testcase_27 | AC | 49 ms
5,376 KB |
testcase_28 | AC | 14 ms
5,376 KB |
testcase_29 | AC | 184 ms
7,424 KB |
testcase_30 | AC | 347 ms
10,368 KB |
testcase_31 | AC | 167 ms
7,028 KB |
testcase_32 | AC | 260 ms
9,464 KB |
testcase_33 | AC | 85 ms
5,376 KB |
testcase_34 | AC | 121 ms
6,400 KB |
testcase_35 | AC | 41 ms
5,376 KB |
testcase_36 | AC | 14 ms
5,376 KB |
testcase_37 | AC | 160 ms
7,168 KB |
testcase_38 | AC | 318 ms
9,728 KB |
testcase_39 | AC | 93 ms
5,632 KB |
testcase_40 | AC | 65 ms
5,376 KB |
testcase_41 | AC | 46 ms
5,376 KB |
testcase_42 | AC | 24 ms
5,376 KB |
testcase_43 | AC | 149 ms
6,784 KB |
testcase_44 | AC | 250 ms
9,208 KB |
testcase_45 | AC | 8 ms
5,376 KB |
testcase_46 | AC | 111 ms
5,888 KB |
testcase_47 | AC | 154 ms
6,656 KB |
testcase_48 | AC | 343 ms
9,728 KB |
testcase_49 | AC | 213 ms
8,064 KB |
testcase_50 | AC | 11 ms
5,376 KB |
testcase_51 | AC | 155 ms
7,160 KB |
testcase_52 | AC | 33 ms
5,376 KB |
testcase_53 | AC | 170 ms
7,424 KB |
testcase_54 | AC | 393 ms
11,008 KB |
testcase_55 | AC | 428 ms
11,008 KB |
testcase_56 | AC | 417 ms
11,136 KB |
testcase_57 | AC | 422 ms
11,132 KB |
testcase_58 | AC | 614 ms
11,136 KB |
testcase_59 | AC | 417 ms
11,008 KB |
testcase_60 | AC | 382 ms
11,124 KB |
testcase_61 | AC | 376 ms
11,008 KB |
testcase_62 | AC | 371 ms
11,008 KB |
testcase_63 | AC | 349 ms
11,136 KB |
testcase_64 | AC | 371 ms
11,008 KB |
testcase_65 | AC | 390 ms
11,136 KB |
testcase_66 | AC | 364 ms
11,136 KB |
testcase_67 | AC | 372 ms
11,132 KB |
testcase_68 | AC | 419 ms
11,136 KB |
testcase_69 | AC | 405 ms
11,136 KB |
testcase_70 | AC | 403 ms
11,008 KB |
testcase_71 | AC | 396 ms
11,124 KB |
testcase_72 | AC | 366 ms
11,136 KB |
testcase_73 | AC | 365 ms
11,136 KB |
testcase_74 | AC | 387 ms
11,008 KB |
testcase_75 | AC | 469 ms
11,128 KB |
testcase_76 | AC | 362 ms
11,000 KB |
testcase_77 | AC | 383 ms
11,008 KB |
testcase_78 | AC | 328 ms
11,008 KB |
testcase_79 | AC | 389 ms
11,008 KB |
testcase_80 | AC | 407 ms
10,880 KB |
testcase_81 | AC | 365 ms
11,000 KB |
testcase_82 | AC | 327 ms
10,880 KB |
testcase_83 | AC | 369 ms
10,880 KB |
testcase_84 | AC | 484 ms
10,752 KB |
testcase_85 | AC | 656 ms
10,752 KB |
testcase_86 | AC | 685 ms
10,880 KB |
testcase_87 | AC | 546 ms
11,008 KB |
testcase_88 | AC | 521 ms
10,880 KB |
testcase_89 | AC | 514 ms
10,880 KB |
testcase_90 | AC | 459 ms
10,880 KB |
testcase_91 | AC | 621 ms
11,136 KB |
testcase_92 | AC | 600 ms
11,136 KB |
testcase_93 | AC | 674 ms
10,880 KB |
ソースコード
#include <bits/stdc++.h> using i32 = std::int32_t; using u32 = std::uint32_t; using i64 = std::int64_t; using u64 = std::uint64_t; using i128 = __int128_t; using u128 = __uint128_t; using isize = std::ptrdiff_t; using usize = std::size_t; class rep { struct Iter { usize itr; constexpr Iter(const usize pos) noexcept: itr(pos) { } constexpr void operator ++ () noexcept { ++itr; } constexpr bool operator != (const Iter& other) const noexcept { return itr != other.itr; } constexpr usize operator * () const noexcept { return itr; } }; const Iter first, last; public: explicit constexpr rep(const usize first, const usize last) noexcept: first(first), last(std::max(first, last)) { } constexpr Iter begin() const noexcept { return first; } constexpr Iter end() const noexcept { return last; } }; class revrep { struct Iter { usize itr; constexpr Iter(const usize pos) noexcept: itr(pos) { } constexpr void operator ++ () noexcept { --itr; } constexpr bool operator != (const Iter& other) const noexcept { return itr != other.itr; } constexpr usize operator * () const noexcept { return itr; } }; const Iter first, last; public: explicit constexpr revrep(const usize first, const usize last) noexcept: first(last - 1), last(std::min(first, last) - 1) { } constexpr Iter begin() const noexcept { return first; } constexpr Iter end() const noexcept { return last; } }; template <class T, T Div = 2> constexpr T INFTY = std::numeric_limits<T>::max() / Div; template <class T> using Vec = std::vector<T>; struct SemiRing { static constexpr SemiRing zero() { return SemiRing { -INFTY<i64> }; } static constexpr SemiRing one() { return SemiRing { INFTY<i64> }; } i64 x; constexpr SemiRing operator + (const SemiRing& other) const { return SemiRing { std::max(x, other.x) }; } constexpr SemiRing operator * (const SemiRing& other) const { return SemiRing { std::min(x, other.x) }; } }; void H_main() { // O(K^2 log N) ? // + ... max, x ... min の半環 // 中一でこんなの知ってるのか... // kitamasa法 書いたことないんだが // A[n+k] = B[0] * A[n] + B[1] * A[n+1] + ... + B[k-1] * A[n+k-1] usize K; u64 N; std::cin >> K >> N; Vec<SemiRing> A(K), B(K); for (auto& x: A) { std::cin >> x.x; } for (auto& x: B) { std::cin >> x.x; } const auto next = [&](const Vec<SemiRing>& vec) { Vec<SemiRing> ret(K, SemiRing::zero()); ret[0] = vec[K - 1] * B[0]; for (auto i: rep(0, K - 1)) { ret[i + 1] = vec[i] + vec[K - 1] * B[i + 1]; } return ret; }; const auto dbl = [&](const Vec<SemiRing>& vec) { Vec<Vec<SemiRing>> coeff(K, Vec<SemiRing>(K, SemiRing::zero())); coeff[0] = vec; for (auto i: rep(0, K - 1)) { coeff[i + 1] = next(coeff[i]); } Vec<SemiRing> ret(K, SemiRing::zero()); for (auto i: rep(0, K)) { for (auto j: rep(0, K)) { ret[i] = ret[i] + coeff[0][j] * coeff[j][i]; } } return ret; }; // C(K, *) = B // C(0, *) = { 1, 0, 0, ..., 0 } Vec<SemiRing> coeff(K, SemiRing::zero()); coeff[0] = SemiRing::one(); for (auto d: revrep(0, 64)) { coeff = dbl(coeff); if (N >> d & 1) { coeff = next(coeff); } } SemiRing ans = SemiRing::zero(); for (auto i: rep(0, K)) { ans = ans + A[i] * coeff[i]; } std::cout << ans.x << '\n'; return; } int main() { std::ios_base::sync_with_stdio(false); std::cin.tie(nullptr); H_main(); return 0; }