結果
問題 | No.1460 Max of Min |
ユーザー | KoD |
提出日時 | 2021-04-01 12:06:58 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 12 ms / 2,000 ms |
コード長 | 3,547 bytes |
コンパイル時間 | 2,417 ms |
コンパイル使用メモリ | 218,584 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-05-09 22:02:38 |
合計ジャッジ時間 | 4,915 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
(要ログイン)
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
6,812 KB |
testcase_01 | AC | 2 ms
6,944 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 4 ms
6,944 KB |
testcase_04 | AC | 4 ms
6,944 KB |
testcase_05 | AC | 1 ms
6,944 KB |
testcase_06 | AC | 4 ms
6,944 KB |
testcase_07 | AC | 6 ms
6,944 KB |
testcase_08 | AC | 2 ms
6,940 KB |
testcase_09 | AC | 2 ms
6,944 KB |
testcase_10 | AC | 4 ms
6,944 KB |
testcase_11 | AC | 6 ms
6,944 KB |
testcase_12 | AC | 2 ms
6,940 KB |
testcase_13 | AC | 5 ms
6,944 KB |
testcase_14 | AC | 3 ms
6,944 KB |
testcase_15 | AC | 2 ms
6,940 KB |
testcase_16 | AC | 4 ms
6,940 KB |
testcase_17 | AC | 4 ms
6,940 KB |
testcase_18 | AC | 2 ms
6,940 KB |
testcase_19 | AC | 6 ms
6,940 KB |
testcase_20 | AC | 2 ms
6,944 KB |
testcase_21 | AC | 2 ms
6,944 KB |
testcase_22 | AC | 3 ms
6,944 KB |
testcase_23 | AC | 2 ms
6,940 KB |
testcase_24 | AC | 6 ms
6,944 KB |
testcase_25 | AC | 2 ms
6,944 KB |
testcase_26 | AC | 8 ms
6,940 KB |
testcase_27 | AC | 4 ms
6,940 KB |
testcase_28 | AC | 2 ms
6,940 KB |
testcase_29 | AC | 8 ms
6,940 KB |
testcase_30 | AC | 4 ms
6,944 KB |
testcase_31 | AC | 4 ms
6,944 KB |
testcase_32 | AC | 7 ms
6,940 KB |
testcase_33 | AC | 3 ms
6,940 KB |
testcase_34 | AC | 4 ms
6,940 KB |
testcase_35 | AC | 3 ms
6,940 KB |
testcase_36 | AC | 3 ms
6,940 KB |
testcase_37 | AC | 4 ms
6,940 KB |
testcase_38 | AC | 4 ms
6,940 KB |
testcase_39 | AC | 4 ms
6,940 KB |
testcase_40 | AC | 3 ms
6,944 KB |
testcase_41 | AC | 3 ms
6,944 KB |
testcase_42 | AC | 3 ms
6,944 KB |
testcase_43 | AC | 3 ms
6,940 KB |
testcase_44 | AC | 5 ms
6,944 KB |
testcase_45 | AC | 2 ms
6,940 KB |
testcase_46 | AC | 3 ms
6,944 KB |
testcase_47 | AC | 4 ms
6,940 KB |
testcase_48 | AC | 6 ms
6,940 KB |
testcase_49 | AC | 3 ms
6,940 KB |
testcase_50 | AC | 2 ms
6,940 KB |
testcase_51 | AC | 5 ms
6,944 KB |
testcase_52 | AC | 3 ms
6,940 KB |
testcase_53 | AC | 4 ms
6,944 KB |
testcase_54 | AC | 4 ms
6,944 KB |
testcase_55 | AC | 6 ms
6,944 KB |
testcase_56 | AC | 5 ms
6,940 KB |
testcase_57 | AC | 9 ms
6,940 KB |
testcase_58 | AC | 7 ms
6,944 KB |
testcase_59 | AC | 6 ms
6,944 KB |
testcase_60 | AC | 5 ms
6,944 KB |
testcase_61 | AC | 6 ms
6,940 KB |
testcase_62 | AC | 4 ms
6,940 KB |
testcase_63 | AC | 3 ms
6,940 KB |
testcase_64 | AC | 2 ms
6,940 KB |
testcase_65 | AC | 8 ms
6,944 KB |
testcase_66 | AC | 5 ms
6,940 KB |
testcase_67 | AC | 4 ms
6,940 KB |
testcase_68 | AC | 5 ms
6,940 KB |
testcase_69 | AC | 12 ms
6,944 KB |
testcase_70 | AC | 8 ms
6,940 KB |
testcase_71 | AC | 6 ms
6,940 KB |
testcase_72 | AC | 4 ms
6,940 KB |
testcase_73 | AC | 8 ms
6,940 KB |
testcase_74 | AC | 7 ms
6,944 KB |
testcase_75 | AC | 5 ms
6,944 KB |
testcase_76 | AC | 5 ms
6,940 KB |
testcase_77 | AC | 5 ms
6,944 KB |
testcase_78 | AC | 4 ms
6,940 KB |
testcase_79 | AC | 4 ms
6,944 KB |
testcase_80 | AC | 4 ms
6,944 KB |
testcase_81 | AC | 4 ms
6,940 KB |
testcase_82 | AC | 5 ms
6,940 KB |
testcase_83 | AC | 5 ms
6,940 KB |
testcase_84 | AC | 4 ms
6,944 KB |
testcase_85 | AC | 4 ms
6,940 KB |
testcase_86 | AC | 4 ms
6,940 KB |
testcase_87 | AC | 4 ms
6,940 KB |
testcase_88 | AC | 4 ms
6,944 KB |
testcase_89 | AC | 4 ms
6,944 KB |
testcase_90 | AC | 4 ms
6,940 KB |
testcase_91 | AC | 4 ms
6,944 KB |
testcase_92 | AC | 4 ms
6,940 KB |
testcase_93 | AC | 4 ms
6,940 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; } }; template <class T, T Div = 2> constexpr T INFTY = std::numeric_limits<T>::max() / Div; template <class T> bool setmax(T& lhs, const T& rhs) { if (lhs < rhs) { lhs = rhs; return true; } return false; } template <class T> bool setmin(T& lhs, const T& rhs) { if (lhs > rhs) { lhs = rhs; return true; } return false; } template <class T> using Vec = std::vector<T>; void H_main() { usize K; u64 N; std::cin >> K >> N; Vec<i64> A(K), B(K); for (auto& x: A) { std::cin >> x; } for (auto& x: B) { std::cin >> x; } if (N < K) { std::cout << A[N] << '\n'; return; } N -= K; A.resize(2 * K, -INFTY<i64>); for (auto i: rep(0, K)) { for (auto j: rep(0, K)) { setmax(A[i + K], std::min(A[i + j], B[j])); } } A.erase(A.begin(), A.begin() + K); const auto check = [&](const i64 threshold) { Vec<u64> T; T.reserve(K); for (auto i: rep(0, K)) { if (B[i] >= threshold) { T.push_back(K - i); } } if (T.empty()) { return false; } const auto V = T.back(); Vec<u64> dist(V, INFTY<u64>); Vec<Vec<std::pair<usize, u64>>> graph(V); for (auto i: rep(0, V)) { for (const auto t: T) { graph[i].emplace_back((i + t) % V, t); } } Vec<bool> done(V); setmin<u64>(dist[0], 0); while (true) { usize u = V; for (auto i: rep(0, V)) { if (!done[i] && (u == V || dist[u] > dist[i])) { u = i; } } if (u == V) { break; } done[u] = true; for (const auto [v, c]: graph[u]) { setmin(dist[v], dist[u] + c); } } for (auto i: rep(0, K)) { if (i <= N && A[i] >= threshold) { const auto make = N - i; if (dist[make % V] <= make) { return true; } } } return false; }; Vec<i64> cand(2 * K); for (auto i: rep(0, K)) { cand[i] = A[i]; cand[i + K] = B[i]; } std::sort(cand.begin(), cand.end()); usize ok = 0, ng = cand.size(); while (ng - ok > 1) { const auto md = (ok + ng) / 2; (check(cand[md]) ? ok : ng) = md; } std::cout << cand[ok] << '\n'; return; } int main() { std::ios_base::sync_with_stdio(false); std::cin.tie(nullptr); H_main(); return 0; }