結果

問題 No.812 Change of Class
ユーザー noshi91noshi91
提出日時 2019-04-12 21:46:44
言語 C++14
(gcc 13.2.0 + boost 1.83.0)
結果
AC  
実行時間 641 ms / 4,000 ms
コード長 5,334 bytes
コンパイル時間 2,850 ms
コンパイル使用メモリ 85,984 KB
実行使用メモリ 13,604 KB
最終ジャッジ日時 2023-09-03 01:12:39
合計ジャッジ時間 14,337 ms
ジャッジサーバーID
(参考情報)
judge14 / judge15
このコードへのチャレンジ
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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 86 ms
9,212 KB
testcase_01 AC 14 ms
4,380 KB
testcase_02 AC 47 ms
6,600 KB
testcase_03 AC 101 ms
10,548 KB
testcase_04 AC 89 ms
9,492 KB
testcase_05 AC 627 ms
11,656 KB
testcase_06 AC 513 ms
10,792 KB
testcase_07 AC 5 ms
4,380 KB
testcase_08 AC 3 ms
4,376 KB
testcase_09 AC 559 ms
11,944 KB
testcase_10 AC 587 ms
12,100 KB
testcase_11 AC 21 ms
7,120 KB
testcase_12 AC 351 ms
10,460 KB
testcase_13 AC 1 ms
4,380 KB
testcase_14 AC 1 ms
4,376 KB
testcase_15 AC 363 ms
9,084 KB
testcase_16 AC 15 ms
4,380 KB
testcase_17 AC 364 ms
9,428 KB
testcase_18 AC 218 ms
7,596 KB
testcase_19 AC 288 ms
8,332 KB
testcase_20 AC 641 ms
11,456 KB
testcase_21 AC 199 ms
7,300 KB
testcase_22 AC 70 ms
5,280 KB
testcase_23 AC 12 ms
4,376 KB
testcase_24 AC 19 ms
4,376 KB
testcase_25 AC 55 ms
4,932 KB
testcase_26 AC 503 ms
10,324 KB
testcase_27 AC 426 ms
9,552 KB
testcase_28 AC 283 ms
8,324 KB
testcase_29 AC 41 ms
4,392 KB
testcase_30 AC 360 ms
9,248 KB
testcase_31 AC 271 ms
8,168 KB
testcase_32 AC 90 ms
5,628 KB
testcase_33 AC 371 ms
9,776 KB
testcase_34 AC 17 ms
4,380 KB
testcase_35 AC 43 ms
4,540 KB
testcase_36 AC 19 ms
4,380 KB
testcase_37 AC 119 ms
5,952 KB
testcase_38 AC 8 ms
4,660 KB
testcase_39 AC 122 ms
5,636 KB
testcase_40 AC 27 ms
4,380 KB
testcase_41 AC 6 ms
4,640 KB
testcase_42 AC 307 ms
8,400 KB
testcase_43 AC 42 ms
6,732 KB
testcase_44 AC 182 ms
6,884 KB
testcase_45 AC 19 ms
4,380 KB
testcase_46 AC 38 ms
6,804 KB
testcase_47 AC 184 ms
6,964 KB
testcase_48 AC 203 ms
7,756 KB
testcase_49 AC 50 ms
4,488 KB
testcase_50 AC 3 ms
4,376 KB
testcase_51 AC 48 ms
5,156 KB
testcase_52 AC 101 ms
7,064 KB
testcase_53 AC 32 ms
4,376 KB
testcase_54 AC 28 ms
4,376 KB
testcase_55 AC 139 ms
10,136 KB
testcase_56 AC 186 ms
12,464 KB
testcase_57 AC 204 ms
12,848 KB
testcase_58 AC 95 ms
8,032 KB
testcase_59 AC 227 ms
13,604 KB
testcase_60 AC 2 ms
4,376 KB
testcase_61 AC 2 ms
4,376 KB
testcase_62 AC 1 ms
4,380 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

//#define NDEBUG
#include <cstddef>
#include <cstdint>
#include <vector>

namespace n91 {

using i8 = std::int_least8_t;
using i32 = std::int_least32_t;
using i64 = std::int_least64_t;
using u8 = std::uint_least8_t;
using u32 = std::uint_least32_t;
using u64 = std::uint_least64_t;
using isize = std::ptrdiff_t;
using usize = std::size_t;

class rep {
  const usize f, l;

public:
  class itr {
    friend rep;
    usize i;
    constexpr itr(const usize x) noexcept : i(x) {}

  public:
    void operator++() noexcept { ++i; }
    constexpr usize operator*() const noexcept { return i; }
    constexpr bool operator!=(const itr x) const noexcept { return i != x.i; }
  };
  constexpr rep(const usize first, const usize last) noexcept
      : f(first), l(last) {}
  constexpr itr begin() const noexcept { return itr(f); }
  constexpr itr end() const noexcept { return itr(l); }
};
class revrep {
  const usize f, l;

public:
  class itr {
    friend revrep;
    usize i;
    constexpr itr(usize x) noexcept : i(x) {}

  public:
    void operator++() noexcept { --i; }
    constexpr usize operator*() const noexcept { return i; }
    constexpr bool operator!=(const itr x) const noexcept { return i != x.i; }
  };
  constexpr revrep(usize first, usize last) noexcept : f(--first), l(--last) {}
  constexpr itr begin() const noexcept { return itr(l); }
  constexpr itr end() const noexcept { return itr(f); }
};
template <class T> using vec_alias = std::vector<T>;
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) {
  return a < b ? b - a : a - b;
}

} // namespace n91

#ifndef NIMI_GRAPH
#define NIMI_GRAPH

#include <vector>

namespace nimi {
struct base_edge {
  int from;
  int to;
  base_edge(int from, int to) : from(from), to(to) {}
};

template <class T> struct edge : public base_edge {
  T val;
  edge(int from, int to, T v) : base_edge(from, to), val(v) {}
};

template <> struct edge<void> : public base_edge {
  edge(int from, int to) : base_edge(from, to) {}
};
template <class C> struct maxflow_edge : public base_edge {
  C cap;
  std::size_t rev;
  maxflow_edge(int from, int to, C cap, std::size_t rev)
      : base_edge(from, to), cap(cap), rev(rev) {}
};

template <class T>
struct directed_graph : public std::vector<std::vector<edge<T>>> {
  directed_graph(std::size_t n) : std::vector<std::vector<edge<T>>>(n) {}
  void add_edge(const edge<T> &e) { this->at(e.from).push_back(e); }
};

template <class T>
struct undirected_graph : public std::vector<std::vector<edge<T>>> {
  undirected_graph(std::size_t n) : std::vector<std::vector<edge<T>>>(n) {}
  void add_edge(const edge<T> &e) {
    this->at(e.from).push_back(e);
    edge<T> re = e;
    std::swap(re.from, re.to);
    this->at(e.to).push_back(re);
  }
};

template <class C>
struct maxflow_graph : public std::vector<std::vector<maxflow_edge<C>>> {
  maxflow_graph(std::size_t n) : std::vector<std::vector<maxflow_edge<C>>>(n) {}
  void add_edge(int from, int to, C cap, std::size_t rev_cap = 0) {
    this->at(from).push_back(
        maxflow_edge<C>(from, to, cap, this->at(to).size()));
    this->at(to).push_back(
        maxflow_edge<C>(to, from, rev_cap, this->at(from).size() - 1));
  }
};
} // namespace nimi

#endif

#ifndef NIMI_GRAPH_SP_DIJKSTRA
#define NIMI_GRAPH_SP_DIJKSTRA

#include <limits>
#include <queue>
#include <vector>

namespace nimi {
template <class T>
std::vector<T> dijkstra(const nimi::directed_graph<T> &g, std::size_t s) {
  const T INF = std::numeric_limits<T>::max();
  const T ZERO = T();
  const std::size_t n = g.size();

  struct node {
    T dist;
    std::size_t vertex;
    node(T d, std::size_t v) : dist(d), vertex(v) {}
    bool operator<(const node &n) const { return n.dist < dist; }
  };

  std::vector<T> dist(n, INF);
  std::priority_queue<node> que;

  dist[s] = ZERO;
  que.emplace(dist[s], s);

  while (!que.empty()) {
    node p = que.top();
    T d = p.dist;
    std::size_t v = p.vertex;
    que.pop();
    if (dist[v] < d)
      continue;
    for (const auto &e : g[v]) {
      if (dist[v] + e.val < dist[e.to]) {
        dist[e.to] = dist[v] + e.val;
        que.emplace(dist[e.to], e.to);
      }
    }
  }
  return std::move(dist);
}
} // namespace nimi
#endif

#include <algorithm>
#include <iostream>
#include <numeric>
#include <utility>

namespace n91 {

void main_() {
  usize n, m;
  std::cin >> n >> m;
  nimi::directed_graph<usize> g(n);
  while (m--) {
    usize p, q;
    std::cin >> p >> q;
    --p;
    --q;
    g.add_edge(nimi::edge<usize>(p, q, 1));
    g.add_edge(nimi::edge<usize>(q, p, 1));
  }
  usize q;
  std::cin >> q;
  while (q--) {
    usize a;
    std::cin >> a;
    --a;
    auto d = nimi::dijkstra(g, a);
    usize cnt = n - 1;
    for (auto &e : d) {
      if (e == std::numeric_limits<usize>::max()) {
        --cnt;
        e = 0;
      }
    }
    usize max = *std::max_element(d.begin(), d.end());
    usize days = 0;
    while (max > 1) {
      max = (max + 1) / 2;
      ++days;
    }
    std::cout << cnt << " " << days << std::endl;
  }
}

} // namespace n91

int main() {
  n91::main_();
  return 0;
}
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