#987205 (C++23) No.2780 The Bottle Imp

提出ソース

結果

問題	No.2780 The Bottle Imp
ユーザー	coindarw
提出日時	2024-06-07 23:56:05
言語	C++23 (gcc 12.3.0 + boost 1.83.0)
結果	WA
実行時間	-
コード長	7,163 bytes
コンパイル時間	5,805 ms
コンパイル使用メモリ	322,204 KB
実行使用メモリ	26,820 KB
最終ジャッジ日時	2024-06-08 10:39:57
合計ジャッジ時間	6,615 ms
ジャッジサーバーID （参考情報）	judge3 / judge5

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	2 ms 5,248 KB
testcase_01	AC	2 ms 5,248 KB
testcase_02	AC	2 ms 5,376 KB
testcase_03	AC	1 ms 5,376 KB
testcase_04	AC	2 ms 5,376 KB
testcase_05	AC	2 ms 5,376 KB
testcase_06	AC	1 ms 5,376 KB
testcase_07	AC	23 ms 8,128 KB
testcase_08	AC	24 ms 8,260 KB
testcase_09	AC	22 ms 8,260 KB
testcase_10	AC	24 ms 8,244 KB
testcase_11	AC	23 ms 8,136 KB
testcase_12	AC	40 ms 12,608 KB
testcase_13	AC	38 ms 12,612 KB
testcase_14	AC	13 ms 6,596 KB
testcase_15	AC	13 ms 6,596 KB
testcase_16	AC	13 ms 6,592 KB
testcase_17	AC	13 ms 6,592 KB
testcase_18	AC	13 ms 6,596 KB
testcase_19	AC	13 ms 6,600 KB
testcase_20	AC	13 ms 6,592 KB
testcase_21	AC	13 ms 6,728 KB
testcase_22	AC	9 ms 5,376 KB
testcase_23	AC	11 ms 6,344 KB
testcase_24	AC	19 ms 7,496 KB
testcase_25	AC	32 ms 10,560 KB
testcase_26	AC	16 ms 6,980 KB
testcase_27	AC	12 ms 5,568 KB
testcase_28	AC	12 ms 5,572 KB
testcase_29	AC	14 ms 9,028 KB
testcase_30	AC	12 ms 7,108 KB
testcase_31	AC	18 ms 7,108 KB
testcase_32	AC	9 ms 5,376 KB
testcase_33	AC	31 ms 21,572 KB
testcase_34	AC	39 ms 26,820 KB
testcase_35	AC	8 ms 5,376 KB
testcase_36	AC	2 ms 5,376 KB
testcase_37	AC	2 ms 5,376 KB
testcase_38	AC	7 ms 5,376 KB
testcase_39	AC	21 ms 11,464 KB
testcase_40	AC	20 ms 11,464 KB
testcase_41	AC	19 ms 11,332 KB
testcase_42	WA	-
testcase_43	AC	2 ms 5,376 KB

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ソースコード

raw source code

#ifdef ONLINE_JUDGE
#include <bits/stdc++.h>

#include <atcoder/all>
#else
#include <mylibs/all.h>
#endif

using ll = long long;
using lll = __int128_t;
#define rep(i, n) for (int i = 0, i##_len = (n); i < i##_len; ++i)
#define reps(i, n) for (int i = 1, i##_len = (n); i <= i##_len; ++i)
#define rrep(i, n) for (int i = ((int)(n)-1); i >= 0; --i)
#define rreps(i, n) for (int i = ((int)(n)); i > 0; --i)
#define rep2(i, s, n) for (int i = (s); i < (int)(n); i++)
#define repc2(i, s, n) for (int i = (s); i <= (int)(n); i++)
#define length(v) ((int)(v).size())
constexpr int inf = 2'000'000'000;
constexpr ll linf = 4'000'000'000'000'000'000, M7 = 1'000'000'007, M9 = 998'244'353;
#define all(v) begin(v), end(v)
#define rall(v) rbegin(v), rend(v)
using namespace std;
using namespace atcoder;

// clang-format off
using vint = vector<int>;using vvint = vector<vector<int>>;using vvvint = vector<vector<vector<int>>>;
using vll = vector<ll>;using vvll = vector<vector<ll>>;using vvvll = vector<vector<vector<ll>>>;
using vlll = vector<lll>;using vvlll = vector<vector<lll>>;using vvvlll = vector<vector<vector<lll>>>;
using vchar = vector<char>;using vvchar = vector<vector<char>>;using vvvchar = vector<vector<vector<char>>>;
using vstr = vector<string>;using vvstr = vector<vector<string>>;using vvvstr = vector<vector<vector<string>>>;
using vpi = vector<pair<int, int>>;using vvpi = vector<vector<pair<int, int>>>;using vvpint = vector<vector<pair<int, int>>>;
using vpl = vector<pair<ll, ll>>;using vvpl = vector<vector<pair<ll, ll>>>;using vvplint = vector<vector<pair<ll, int>>>;
using vbool = vector<bool>;using vvbool = vector<vector<bool>>;using vvvbool = vector<vector<vector<bool>>>;

#define Vec(type, ...) __make_vec<type>(__VA_ARGS__)
template <class T> vector<T> __make_vec(size_t a) {return vector<T>(a);}template <class T, class... Ts>
auto __make_vec(size_t a, Ts... ts) {return vector<decltype(__make_vec<T>(ts...))>(a, __make_vec<T>(ts...));}
#define VecI(init, type, ...) __make_vecI<type, init>(__VA_ARGS__)
template <class T, T init>vector<T> __make_vecI(size_t a) {return vector<T>(a, init);}
template <class T, T init, class... Ts>
auto __make_vecI(size_t a, Ts... ts) {return vector<decltype(__make_vecI<T, init>(ts...))>(a, __make_vecI<T, init>(ts...));}

template <typename T, typename U>inline ostream& operator<<(ostream& os, const pair<T, U>& p) noexcept {return os << p.first << " " << p.second;}
inline ostream& operator<<(ostream& os, const modint& m) noexcept { return os << m.val(); }
template <int M>inline ostream& operator<<(ostream& os, const static_modint<M>& m) noexcept { return os << m.val(); }

template <typename T> struct is_static_modint : std::false_type {}; template <int MOD> struct is_static_modint<static_modint<MOD>> : std::true_type {};
template <template <typename...> typename C, typename Number>concept MyContainer = std::is_same_v<C<Number>, std::vector<Number>> || std::is_same_v<C<Number>, std::deque<Number>> || std::is_same_v<C<Number>, std::set<Number>> || std::is_same_v<C<Number>, std::unordered_set<Number>> || std::is_same_v<C<Number>, std::unordered_multiset<Number>> || std::is_same_v<C<Number>, std::multiset<Number>>;
template <typename Number>concept MyNumber = std::is_same_v<Number, int> || std::is_same_v<Number, ll> || std::is_same_v<Number, char> || std::is_same_v<Number, modint> || is_static_modint<Number>::value;
template <template <typename...> typename C, typename Number>concept MyContainerNumber = MyContainer<C, Number> && MyNumber<Number>;
template <template <typename...> typename OutCon, template <typename...> typename InCon, typename Number>concept MyNestedContainerNumber = MyContainer<OutCon, InCon<Number>> && MyContainerNumber<InCon, Number>;
template <template <typename...> typename C, typename Number>requires MyContainerNumber<C, Number>std::ostream& operator<<(std::ostream& os, const C<Number>& t) {auto itr = t.begin();auto end = t.end();if (itr != end) {os << *itr++;for (; itr != end; ++itr) os << ' ' << *itr;}return os;}
template <template <typename...> typename OutCon, template <typename...> typename InCon, typename Number>requires MyNestedContainerNumber<OutCon, InCon, Number>std::ostream& operator<<(std::ostream& os, const OutCon<InCon<Number>>& t) {auto itr = t.begin();auto end = t.end();if (itr != end) {os << *itr++;for (; itr != end; ++itr) os << '\n' << *itr;}return os;}
template <typename T, typename U>istream& operator>>(istream& is, pair<T, U>& p) {return is >> p.first >> p.second;}
template <typename T>istream& operator>>(istream& is, vector<T>& v) {for (auto& e : v) is >> e;return is;}
void inp() {}
template <typename T, typename... Args>void inp(T& a, Args&... args) {cin >> a, inp(args...);}
template <typename T>void inp1(vector<T>& v, int offset = 1, int len = -1) {if (len == -1) len = int(v.size()) - offset;assert(offset >= 0 && len >= 0);for (int i = offset; i < offset + len; ++i) cin >> v[i];}
template <typename T>void oup(const T& a) {cout << a << "\n";}
template <typename T, typename... Args>void oup(const T& a, const Args&... args) {cout << a << " ", oup(args...);}

inline string YesNo(bool cond) { return cond ? "Yes" : "No"; }
inline auto add1(auto vec, ll offset = 1) {for (auto& e : vec) e += offset;return vec;}
#ifdef ONLINE_JUDGE
#define debug(...)
#else
#define debug(...) cerr << "<" << #__VA_ARGS__ << ">: ", debug_out(__VA_ARGS__)
template <typename T>void debug_out(T t) {cerr << t << "\n";}
template <typename T, typename... Args>void debug_out(T t, Args... args) {cerr << t << ", ";debug_out(args...);}
#endif

#ifdef ONLINE_JUDGE
#define todo(...) static_assert(false)
#else
#define todo(...)
#endif
// clang-format on

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int n;
    inp(n);
    scc_graph scc(n);
    using P = pair<int, int>;
    vector<P> edges;
    rep(i, n) {
        int m;
        inp(m);
        rep(j, m) {
            int x;
            inp(x);
            x--;
            scc.add_edge(i, x);
            edges.emplace_back(i, x);
        }
    }
    for (auto p : edges) {
        debug(p);
    }
    auto scc_res = scc.scc();
    int M = scc_res.size();
    vint idx(n, -1);
    rep(i, M) {
        for (int v : scc_res[i]) {
            idx[v] = i;
        }
    }
    assert(*min_element(all(idx)) >= 0);
    vector<P> dagEdges;
    for (auto [a, b] : edges) {
        if (idx[a] == idx[b]) continue;
        dagEdges.emplace_back(idx[a], idx[b]);
        assert(idx[a] < idx[b]);
    }
    sort(all(dagEdges));
    dagEdges.erase(unique(all(dagEdges)), dagEdges.end());

    debug(dagEdges.size());
    if (dagEdges.size() != M - 1) {
        oup("No");
        return 0;
    }
    rep(i, dagEdges.size()) {
        auto [a, b] = dagEdges[i];
        debug(a, b);
        if (a + 1 != b&&0) {
            oup("No");
            return 0;
        }
    }
    if (idx[0] != 0) {
        oup("No");
        return 0;
    }

    vint dp(M, -inf);
    dp[0] = 0;
    for (auto [a, b] : dagEdges) {
        dp[b] = max(dp[b], dp[a] + 1);
    }
    debug(M);
    debug(idx);
    debug(dp);
    oup(YesNo(*max_element(all(dp)) == M - 1));
    return 0;
}

yukicoder

結果

テストケース

ソースコード