結果
問題 | No.2114 01 Matching |
ユーザー |
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提出日時 | 2022-10-28 23:09:55 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 550 ms / 5,000 ms |
コード長 | 5,408 bytes |
コンパイル時間 | 1,103 ms |
コンパイル使用メモリ | 103,084 KB |
最終ジャッジ日時 | 2025-02-08 14:58:39 |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 51 |
ソースコード
#include <iostream>#include <map>#include <vector>//#define NDEBUG#include <algorithm>#include <cassert>#include <cstddef>#include <cstdint>#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;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::move(f)) {}template <class... Args> auto operator()(Args &&... args) const {return f(*this, std::forward<Args>(args)...);}};template <class F> auto make_rec(F &&f) { return rec_lambda<F>(std::move(f)); }template <class T> T scan() {T ret;std::cin >> ret;return ret;}constexpr char eoln = '\n';template <class T> T ceildiv(const T &l, const T &r) {return l / r + (l % r != 0 ? 1 : 0);}} // namespace n91#include <deque>namespace n91 {void main_() {const auto solve = [](std::vector<int> lxt, std::vector<int> rxt) -> i64 {if (lxt.empty()) {return 0;}struct vtx {int type; // 0:a, 1:bi64 v;};std::vector<vtx> vs;for (const auto e : lxt) {vs.push_back({0, e});}for (const auto e : rxt) {vs.push_back({1, e});}std::sort(vs.begin(), vs.end(),[](const auto &l, const auto &r) { return l.v < r.v; });struct aque {std::deque<std::pair<i64, i64>> v;i64 a;aque() : v(), a(0) {}void push_front(i64 x, i64 l) { v.push_front({x - a, l}); }void push_back(i64 x, i64 l) { v.push_back({x - a, l}); }bool empty() { return v.empty(); }i64 front() { return v.front().first + a; }std::pair<i64, i64> pop_front() {auto ret = v.front();v.pop_front();return {ret.first + a, ret.second};}std::pair<i64, i64> pop_back() {auto ret = v.back();v.pop_back();return {ret.first + a, ret.second};}void add(i64 x) { a += x; }};i64 min_pos = 0;i64 min_val = 0;aque m, r;r.push_back(1e10, 3e5);const auto shift = [&]() {auto [s, len] = m.pop_front();min_pos += len;min_val += s * len;};i64 prev = 0;for (const auto &[type, x] : vs) {const i64 dif = (x - prev);min_val += dif * (-min_pos);m.add(-dif);r.add(dif);while (!m.empty() && m.front() < 0) {shift();}if (type == 0) {min_pos -= 1;assert(!r.empty());auto [s, len] = r.pop_front();m.push_back(s, 1);if (len - 1 != 0) {r.push_front(s, len - 1);}} else {m.push_front(0, 1);i64 m_r = 1;while (m_r != 0) {assert(!m.empty());auto [s, len] = m.pop_back();const i64 t = std::min(len, m_r);r.push_front(s, t);m_r -= t;if (len - t != 0) {m.push_back(s, len - t);}}}prev = x;}while (!m.empty()) {shift();}return min_val;};int N, M, K;std::cin >> N >> M >> K;std::vector<int> B(N), R(M);for (auto &e : B) {std::cin >> e;}for (auto &e : R) {std::cin >> e;}if (N > M) {std::swap(N, M);std::swap(B, R);}std::map<int, std::pair<std::vector<int>, std::vector<int>>> map;for (const auto e : B) {map[e % K].first.push_back(e / K);}for (const auto e : R) {map[e % K].second.push_back(e / K);}long long ans = 0;for (auto &[key, val] : map) {auto &[l, r] = val;if (l.size() > r.size()) {std::cout << "-1\n";return;}ans += solve(l, r);}std::cout << ans << eoln;}} // namespace n91int main() {n91::main_();return 0;}