結果

問題 No.812 Change of Class
ユーザー PachicobuePachicobue
提出日時 2019-04-14 20:43:51
言語 C++17
(gcc 13.2.0 + boost 1.83.0)
結果
AC  
実行時間 266 ms / 4,000 ms
コード長 5,533 bytes
コンパイル時間 3,777 ms
コンパイル使用メモリ 208,920 KB
実行使用メモリ 15,252 KB
最終ジャッジ日時 2023-09-03 15:06:01
合計ジャッジ時間 9,625 ms
ジャッジサーバーID
（参考情報） 		judge12 / judge13
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 91 ms
12,132 KB
testcase_01 AC 15 ms
4,376 KB
testcase_02 AC 48 ms
8,144 KB
testcase_03 AC 106 ms
13,728 KB
testcase_04 AC 93 ms
12,472 KB
testcase_05 AC 252 ms
14,044 KB
testcase_06 AC 204 ms
12,320 KB
testcase_07 AC 4 ms
4,968 KB
testcase_08 AC 3 ms
4,376 KB
testcase_09 AC 266 ms
15,144 KB
testcase_10 AC 257 ms
15,104 KB
testcase_11 AC 25 ms
9,828 KB
testcase_12 AC 167 ms
13,800 KB
testcase_13 AC 2 ms
4,380 KB
testcase_14 AC 1 ms
4,380 KB
testcase_15 AC 141 ms
10,628 KB
testcase_16 AC 9 ms
4,380 KB
testcase_17 AC 139 ms
11,792 KB
testcase_18 AC 98 ms
9,240 KB
testcase_19 AC 117 ms
10,112 KB
testcase_20 AC 254 ms
14,720 KB
testcase_21 AC 94 ms
8,868 KB
testcase_22 AC 42 ms
5,616 KB
testcase_23 AC 8 ms
4,376 KB
testcase_24 AC 12 ms
4,380 KB
testcase_25 AC 33 ms
5,204 KB
testcase_26 AC 193 ms
12,936 KB
testcase_27 AC 159 ms
11,728 KB
testcase_28 AC 112 ms
10,188 KB
testcase_29 AC 25 ms
4,652 KB
testcase_30 AC 144 ms
11,368 KB
testcase_31 AC 118 ms
9,988 KB
testcase_32 AC 53 ms
6,564 KB
testcase_33 AC 164 ms
12,280 KB
testcase_34 AC 11 ms
4,380 KB
testcase_35 AC 28 ms
5,204 KB
testcase_36 AC 10 ms
4,376 KB
testcase_37 AC 62 ms
7,204 KB
testcase_38 AC 10 ms
5,800 KB
testcase_39 AC 63 ms
7,412 KB
testcase_40 AC 18 ms
4,408 KB
testcase_41 AC 8 ms
5,444 KB
testcase_42 AC 141 ms
10,984 KB
testcase_43 AC 45 ms
8,784 KB
testcase_44 AC 92 ms
8,896 KB
testcase_45 AC 11 ms
4,380 KB
testcase_46 AC 42 ms
8,612 KB
testcase_47 AC 89 ms
9,108 KB
testcase_48 AC 108 ms
10,104 KB
testcase_49 AC 26 ms
4,976 KB
testcase_50 AC 3 ms
4,376 KB
testcase_51 AC 33 ms
5,736 KB
testcase_52 AC 70 ms
9,424 KB
testcase_53 AC 18 ms
4,412 KB
testcase_54 AC 14 ms
4,376 KB
testcase_55 AC 59 ms
11,692 KB
testcase_56 AC 72 ms
13,220 KB
testcase_57 AC 76 ms
13,948 KB
testcase_58 AC 40 ms
8,816 KB
testcase_59 AC 87 ms
15,252 KB
testcase_60 AC 1 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 # 

#include <bits/stdc++.h>
#pragma GCC diagnostic ignored "-Wsign-compare"
#pragma GCC diagnostic ignored "-Wsign-conversion"
#define NDEBUG
#define SHOW(...) static_cast<void>(0)
//!===========================================================!//
//!  dP     dP                          dP                    !//
//!  88     88                          88                    !//
//!  88aaaaa88a .d8888b. .d8888b. .d888b88 .d8888b. 88d888b.  !//
//!  88     88  88ooood8 88'  '88 88'  '88 88ooood8 88'  '88  !//
//!  88     88  88.  ... 88.  .88 88.  .88 88.  ... 88        !//
//!  dP     dP  '88888P' '88888P8 '88888P8 '88888P' dP        !//
//!===========================================================!//
using ld = long double;
using uint = unsigned int;
using ll = long long;
using ull = unsigned long long;
constexpr unsigned int MOD = 1000000007;
template <typename T>
constexpr T INF = std::numeric_limits<T>::max() / 4;
template <typename F>
constexpr F PI = static_cast<F>(3.1415926535897932385);
std::mt19937 mt{std::random_device{}()};
template <typename T>
bool chmin(T& a, const T& b) { return a = std::min(a, b), a == b; }
template <typename T>
bool chmax(T& a, const T& b) { return a = std::max(a, b), a == b; }
template <typename T>
std::vector<T> Vec(const std::size_t n, T v) { return std::vector<T>(n, v); }
template <class... Args>
auto Vec(const std::size_t n, Args... args) { return std::vector<decltype(Vec(args...))>(n, Vec(args...)); }
template <typename T>
constexpr T popCount(const T u)
{
#ifdef __has_builtin
    return u == 0 ? T(0) : (T)__builtin_popcountll(u);
#else
    unsigned long long v = static_cast<unsigned long long>(u);
    return v = (v & 0x5555555555555555ULL) + (v >> 1 & 0x5555555555555555ULL), v = (v & 0x3333333333333333ULL) + (v >> 2 & 0x3333333333333333ULL), v = (v + (v >> 4)) & 0x0F0F0F0F0F0F0F0FULL, static_cast<T>(v * 0x0101010101010101ULL >> 56 & 0x7f);
#endif
}
template <typename T>
constexpr T log2p1(const T u)
{
#ifdef __has_builtin
    return u == 0 ? T(0) : T(64 - __builtin_clzll(u));
#else
    unsigned long long v = static_cast<unsigned long long>(u);
    return v = static_cast<unsigned long long>(v), v |= (v >> 1), v |= (v >> 2), v |= (v >> 4), v |= (v >> 8), v |= (v >> 16), v |= (v >> 32), popCount(v);
#endif
}
template <typename T>
constexpr T clog(const T v) { return v == 0 ? T(0) : log2p1(v - 1); }
template <typename T>
constexpr T msbp1(const T v) { return log2p1(v); }
template <typename T>
constexpr T lsbp1(const T v)
{
#ifdef __has_builtin
    return __builtin_ffsll(v);
#else
    return v == 0 ? T(0) : popCount((v & (-v)) - T(1)) + T(1);
#endif
}
template <typename T>
constexpr bool ispow2(const T v) { return popCount(v) == 1; }
template <typename T>
constexpr T ceil2(const T v) { return v == 0 ? T(1) : T(1) << log2p1(v - 1); }
template <typename T>
constexpr T floor2(const T v) { return v == 0 ? T(0) : T(1) << (log2p1(v) - 1); }
//!=================================================!//
//!   .88888.                             dP        !//
//!  d8'   '88                            88        !//
//!  88        88d888b. .d8888b. 88d888b. 88d888b.  !//
//!  88   YP88 88'  '88 88'  '88 88'  '88 88'  '88  !//
//!  Y8.   .88 88       88.  .88 88.  .88 88    88  !//
//!   '88888'  dP       '88888P8 88Y888P' dP    dP  !//
//!                              88                 !//
//!                              dP                 !//
//!=================================================!//
struct Graph
{
    Graph(const std::size_t v) : V{v}, edge(v), rev_edge(v) {}
    void addEdge(const std::size_t from, const std::size_t to, const bool bi = false)
    {
        assert(from < V), assert(to < V);
        edge[from].push_back(to), rev_edge[to].push_back(from);
        if (bi) { addEdge(to, from, false); }
    }
    const std::vector<std::size_t>& operator[](const std::size_t i) const { return assert(i < V), edge[i]; }
    void debugPrint() const
    {
        std::cerr << "[\n";
        for (std::size_t i = 0; i < V; i++) {
            for (const std::size_t to : edge[i]) { std::cerr << i << "->" << to << "\n"; }
        }
        std::cerr << "]\n";
    }
    std::size_t V;
    std::vector<std::vector<std::size_t>> edge, rev_edge;
};
//!============================================!//
//!    8888ba.88ba             oo              !//
//!    88  '8b  '8b                            !//
//!    88   88   88  .d8888b.  dP  88d888b.    !//
//!    88   88   88  88'  '88  88  88'  '88    !//
//!    88   88   88  88.  .88  88  88    88    !//
//!    dP   dP   dP  '88888P8  dP  dP    dP    !//
//!============================================!//
int main()
{
    int N, M;
    std::cin >> N >> M;
    Graph G(N);
    for (int i = 0, p, q; i < M; i++) {
        std::cin >> p >> q, p--, q--;
        G.addEdge(p, q, true);
    }
    int Q;
    std::cin >> Q;
    for (int q = 0, A; q < Q; q++) {
        std::cin >> A, A--;
        std::vector<int> D(N, INF<int>);
        std::queue<int> Q;
        D[A] = 0, Q.push(A);
        while (not Q.empty()) {
            const int s = Q.front();
            Q.pop();
            for (const int to : G[s]) {
                if (D[to] == INF<int>) { D[to] = D[s] + 1, Q.push(to); }
            }
        }
        int total = 0, far = 0, ans = 0;
        for (int i = 0; i < N; i++) {
            if (D[i] != INF<int>) { total++, chmax(far, D[i]); }
        }
        for (; far > 1; ans++, (far += 1) /= 2) {}
        std::cout << total - 1 << " " << ans << std::endl;
    }
    return 0;
}
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