結果
問題 | No.1698 Face to Face |
ユーザー | noshi91 |
提出日時 | 2021-10-01 23:36:43 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 696 ms / 5,000 ms |
コード長 | 6,053 bytes |
コンパイル時間 | 1,623 ms |
コンパイル使用メモリ | 119,368 KB |
実行使用メモリ | 19,024 KB |
最終ジャッジ日時 | 2024-07-19 16:37:27 |
合計ジャッジ時間 | 17,480 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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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 | 96 ms
17,852 KB |
testcase_04 | AC | 372 ms
19,024 KB |
testcase_05 | AC | 487 ms
18,176 KB |
testcase_06 | AC | 453 ms
18,304 KB |
testcase_07 | AC | 320 ms
18,560 KB |
testcase_08 | AC | 346 ms
18,432 KB |
testcase_09 | AC | 348 ms
18,560 KB |
testcase_10 | AC | 289 ms
18,688 KB |
testcase_11 | AC | 574 ms
18,304 KB |
testcase_12 | AC | 367 ms
18,300 KB |
testcase_13 | AC | 2 ms
5,376 KB |
testcase_14 | AC | 2 ms
5,376 KB |
testcase_15 | AC | 696 ms
18,176 KB |
testcase_16 | AC | 666 ms
18,048 KB |
testcase_17 | AC | 681 ms
18,176 KB |
testcase_18 | AC | 597 ms
16,768 KB |
testcase_19 | AC | 565 ms
16,768 KB |
testcase_20 | AC | 546 ms
16,384 KB |
testcase_21 | AC | 251 ms
10,240 KB |
testcase_22 | AC | 182 ms
8,960 KB |
testcase_23 | AC | 36 ms
5,376 KB |
testcase_24 | AC | 303 ms
10,880 KB |
testcase_25 | AC | 635 ms
17,408 KB |
testcase_26 | AC | 19 ms
5,376 KB |
testcase_27 | AC | 119 ms
6,912 KB |
testcase_28 | AC | 139 ms
7,168 KB |
testcase_29 | AC | 90 ms
6,272 KB |
testcase_30 | AC | 363 ms
11,776 KB |
testcase_31 | AC | 255 ms
10,112 KB |
testcase_32 | AC | 459 ms
15,104 KB |
testcase_33 | AC | 464 ms
15,232 KB |
testcase_34 | AC | 631 ms
17,532 KB |
testcase_35 | AC | 2 ms
5,376 KB |
testcase_36 | AC | 2 ms
5,376 KB |
testcase_37 | AC | 2 ms
5,376 KB |
testcase_38 | AC | 2 ms
5,376 KB |
testcase_39 | AC | 2 ms
5,376 KB |
testcase_40 | AC | 2 ms
5,376 KB |
testcase_41 | AC | 2 ms
5,376 KB |
testcase_42 | AC | 2 ms
5,376 KB |
testcase_43 | AC | 2 ms
5,376 KB |
testcase_44 | AC | 2 ms
5,376 KB |
testcase_45 | AC | 461 ms
18,800 KB |
testcase_46 | AC | 427 ms
18,804 KB |
testcase_47 | AC | 170 ms
18,688 KB |
ソースコード
//#define NDEBUG #pragma warning(disable : 4146) #include <algorithm> #include <cassert> #include <cstddef> #include <cstdint> #include <iomanip> #include <iostream> #include <utility> #include <vector> namespace n91 { using i32 = std::int32_t; using i64 = std::int64_t; using u32 = std::uint32_t; using u64 = std::uint64_t; using isize = std::ptrdiff_t; using usize = std::size_t; using f64 = double; struct rep { struct itr { usize i; constexpr itr(const usize i) noexcept : i(i) {} void operator++() noexcept { ++i; } constexpr usize operator*() const noexcept { return i; } constexpr bool operator!=(const itr x) const noexcept { return i != x.i; } }; const itr f, l; constexpr rep(const usize f, const usize l) noexcept : f(std::min(f, l)), l(l) {} constexpr auto begin() const noexcept { return f; } constexpr auto end() const noexcept { return l; } }; struct revrep { struct itr { usize i; constexpr itr(const usize i) noexcept : i(i) {} void operator++() noexcept { --i; } constexpr usize operator*() const noexcept { return i; } constexpr bool operator!=(const itr x) const noexcept { return i != x.i; } }; const itr f, l; constexpr revrep(const usize f, const usize l) noexcept : f(l - 1), l(std::min(f, l) - 1) {} constexpr auto begin() const noexcept { return f; } constexpr auto end() const noexcept { return l; } }; template <class T> auto md_vec(const usize n, const T &value) { return std::vector<T>(n, value); } template <class... Args> auto md_vec(const usize n, Args... args) { return std::vector<decltype(md_vec(args...))>(n, md_vec(args...)); } template <class T> constexpr T difference(const T &a, const T &b) noexcept { return a < b ? b - a : a - b; } template <class T> void chmin(T &a, const T &b) noexcept { if (b < a) a = b; } template <class T> void chmax(T &a, const T &b) noexcept { if (a < b) a = b; } template <class F> class rec_lambda { F f; public: rec_lambda(F &&f_) : f(std::forward<F>(f_)) {} template <class... Args> auto operator()(Args &&... args) const { return f(*this, std::forward<Args>(args)...); } }; template <class T> T scan() { T ret; std::cin >> ret; return ret; } constexpr char eoln = '\n'; i64 floor_div(const i64 n, const i64 d) { assert(d != 0); return n / d - static_cast<i64>((n ^ d) < 0 && n % d != 0); } i64 ceil_div(const i64 n, const i64 d) { assert(d != 0); return n / d + static_cast<i64>((n ^ d) >= 0 && n % d != 0); } #ifdef N91_LOCAL #define OJ_LOCAL(a, b) b #else #define OJ_LOCAL(a, b) a #endif } // namespace n91 #include <cassert> #include <cstdint> namespace binary_search_impl { using i64 = std::int64_t; template <class F> i64 binary_search(F f, i64 left, i64 right) { assert(left <= right); while (left != right) { const i64 mid = left + (right - left) / 2; if (f(mid)) { left = mid + 1; } else { right = mid; } } return left; } } // namespace binary_search_impl // first false using binary_search_impl::binary_search; #include <atcoder/dsu> #include <atcoder/segtree> namespace n91 { std::vector<usize> inverse(const std::vector<usize> &p) { const usize n = p.size(); std::vector<usize> q(n, -1); for (usize i = 0; i != n; i += 1) { assert(p[i] < n); assert(q[p[i]] == -1); q[p[i]] = i; } return q; } usize op(usize x, usize y) { return std::max(x, y); } usize id() { return 0; } void main_() { const usize n = scan<usize>(); std::vector<usize> a(n), b(n), z(n); for (const usize i : rep(0, n)) { std::cin >> a[i]; a[i] -= 1; } for (const usize i : rep(0, n)) { std::cin >> b[i]; b[i] -= 1; } for (const usize i : rep(0, n)) { std::cin >> z[i]; z[i] -= 1; } const auto ra = inverse(a), rb = inverse(b), rz = inverse(z); atcoder::segtree<usize, op, id> sega(a), segb(b); const auto get_left = [&](auto &seg, const usize i, const usize t) -> usize { if (seg.get(i) > t) { return i; } else { return seg.min_left(i, [&](const usize x) { return x <= t; }); } }; const auto get_right = [&](auto &seg, const usize i, const usize t) -> usize { if (seg.get(i) > t) { return i + 1; } else { return seg.max_right(i + 1, [&](const usize x) { return x <= t; }); } }; std::vector<std::vector<usize>> raft(n); { for (const usize i : rep(0, n)) { raft[binary_search( [&](const usize t) { const usize l = std::max(get_left(sega, ra[i], t), get_left(segb, rb[z[i]], t)); const usize r = std::min(get_right(sega, ra[i], t), get_right(segb, rb[z[i]], t)); return !(l < r); }, 0, n - 1)] .push_back(i); } } usize ans = 0; std::vector<usize> count(n + 1, 4); std::vector<std::pair<usize, usize>> data(n, {1, 0}); atcoder::dsu uf(n); const auto cost = [&](const usize i) { return std::min(data[i].first, data[i].second); }; const auto dec = [&](const usize i) { count[i] -= 1; if (count[i] != 0) { return; } usize x = i - 1; usize y = i; x = uf.leader(x); y = uf.leader(y); ans -= cost(x); ans -= cost(y); uf.merge(x, y); if (uf.leader(x) != x) { std::swap(x, y); } data[x].first += data[y].first; data[x].second += data[y].second; ans += cost(x); }; for (const usize t : rep(0, n)) { dec(ra[t]); dec(ra[t] + 1); dec(rb[t]); dec(rb[t] + 1); for (const usize i : raft[t]) { usize l = std::max(get_left(sega, ra[i], t), get_left(segb, rb[z[i]], t)); l = uf.leader(l); ans -= cost(l); data[l].second += 1; ans += cost(l); } std::cout << ans << eoln; } } } // namespace n91 int main() { //* std::ios::sync_with_stdio(false); std::cin.tie(nullptr); //*/ std::cout << std::setprecision(20); n91::main_(); return 0; }