結果
| 問題 |
No.812 Change of Class
|
| コンテスト | |
| ユーザー |
noshi91
|
| 提出日時 | 2019-04-12 21:44:19 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 5,320 bytes |
| コンパイル時間 | 948 ms |
| コンパイル使用メモリ | 86,604 KB |
| 実行使用メモリ | 14,068 KB |
| 最終ジャッジ日時 | 2024-06-12 06:45:44 |
| 合計ジャッジ時間 | 9,821 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 WA * 2 |
| other | AC * 5 WA * 55 |
ソースコード
//#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;
}
std::cout << cnt << " " << days << std::endl;
}
}
} // namespace n91
int main() {
n91::main_();
return 0;
}
noshi91