結果

問題 No.177 制作進行の宮森あおいです!
ユーザー lemondolemondo
提出日時 2023-09-29 15:16:57
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 2 ms / 2,000 ms
コード長 7,257 bytes
コンパイル時間 3,434 ms
コンパイル使用メモリ 313,352 KB
実行使用メモリ 4,380 KB
最終ジャッジ日時 2023-09-29 15:17:02
合計ジャッジ時間 4,425 ms
ジャッジサーバーID
(参考情報)
judge13 / judge12
このコードへのチャレンジ
(要ログイン)

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 1 ms
4,380 KB
testcase_01 AC 2 ms
4,376 KB
testcase_02 AC 1 ms
4,376 KB
testcase_03 AC 2 ms
4,376 KB
testcase_04 AC 2 ms
4,380 KB
testcase_05 AC 2 ms
4,380 KB
testcase_06 AC 2 ms
4,380 KB
testcase_07 AC 2 ms
4,380 KB
testcase_08 AC 1 ms
4,380 KB
testcase_09 AC 2 ms
4,380 KB
testcase_10 AC 2 ms
4,376 KB
testcase_11 AC 2 ms
4,380 KB
testcase_12 AC 1 ms
4,376 KB
testcase_13 AC 1 ms
4,376 KB
testcase_14 AC 2 ms
4,376 KB
testcase_15 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 #

#pragma region Macros
#include <bits/stdc++.h>
#include <immintrin.h>

#include <algorithm>
#include <array>
#include <bitset>
#include <cassert>
#include <cctype>
#include <cfenv>
#include <cfloat>
#include <chrono>
#include <cinttypes>
#include <climits>
#include <cmath>
#include <complex>
#include <cstdarg>
#include <cstddef>
#include <cstdint>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <deque>
#include <fstream>
#include <functional>
#include <initializer_list>
#include <iomanip>
#include <ios>
#include <iostream>
#include <istream>
#include <iterator>
#include <limits>
#include <list>
#include <map>
#include <memory>
#include <new>
#include <numeric>
#include <ostream>
#include <queue>
#include <random>
#include <set>
#include <sstream>
#include <stack>
#include <streambuf>
#include <string>
#include <tuple>
#include <type_traits>
#include <typeinfo>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>

#define ll long long
#define OVERLOAD(e1, e2, e3, e4, NAME, ...) NAME
#define _rep1(i, n) for (long long i = 0; i < n; i++)
#define _rep2(i, a, b) for (long long i = a; i < b; ++i)
#define _rep3(i, a, b, t) \
    for (long long i = a; i * (t / abs(t)) < b * (t / abs(t)); i += t)
#define rep(...) OVERLOAD(__VA_ARGS__, _rep3, _rep2, _rep1, _)(__VA_ARGS__)
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)x.size()
#define fi first
#define se second
#define pb push_back
#define eb emplace_back
#define mp make_pair
#define pcnt __builtin_popcountll
#define SORT(v) sort(all(v))
#define UNIQUE(v) \
    SORT(v);      \
    v.erase(unique(v.begin(), v.end()), v.end());
#define COPY(A, B) copy(all(A), B.begin());
#define REV(v) reverse(all(v))
#define MAX(x) *max_element(all(x))
#define MIN(x) *min_element(all(x))

#ifdef LOCAL
#define dbg(x)                                    \
    {                                             \
        cout << __LINE__ << " : " << #x << " = "; \
        print(x);                                 \
    }

#define IS_LOCAL true
#else
#define dbg(x) true
#define IS_LOCAL false
#endif

using namespace std;
template <typename T>
using vc = vector<T>;
template <typename T>
using vvc = vector<vc<T>>;
template <typename T>
using vvvc = vector<vvc<T>>;

template <typename T>
bool chmin(T& k, T m) {
    bool ret = k > m;
    k = min(k, m);
    return ret;
}
template <typename T>
bool chmax(T& k, T m) {
    bool ret = k < m;
    k = max(k, m);
    return ret;
}

template <typename T>
inline void print(const vector<T>& v, string s = " ") {
    for (int i = 0; i < (int)v.size(); i++)
        cout << v[i] << (i != (int)v.size() - 1 ? s : "");
    cout << "\n";
}
template <typename T, typename S>
inline void print(const pair<T, S>& p) {
    cout << p.first << " " << p.second << endl;
}
template <typename T>
inline void print(const T& x) {
    cout << x << "\n";
}
template <typename T, typename S>
inline void print(const vector<pair<T, S>>& v) {
    for (auto&& p : v) print(p);
}
void yes(bool a) { cout << (a ? "yes" : "no") << endl; }
void YES(bool a) { cout << (a ? "YES" : "NO") << endl; }
void Yes(bool a) { cout << (a ? "Yes" : "No") << endl; }
template <typename T>
T SUM(vc<T> As) {
    T ret = 0;
    for (T a : As) ret += a;
    return ret;
}

#pragma endregion

const ll INF = numeric_limits<long long>::max();

/**
 * @brief Dinic(最大流)
 * @docs docs/dinic.md
 */
template <typename flow_t>
struct Dinic {
    const flow_t INF;

    struct edge {
        int to;
        flow_t cap;
        int rev;
        bool isrev;
        int idx;
    };

    vector<vector<edge>> graph;
    vector<int> min_cost, iter;

    explicit Dinic(int V) : INF(numeric_limits<flow_t>::max()), graph(V) {}

    void add_edge(int from, int to, flow_t cap, int idx = -1) {
        assert(cap >= 0);
        graph[from].emplace_back(
            (edge){to, cap, (int)graph[to].size(), false, idx});
        graph[to].emplace_back(
            (edge){from, 0, (int)graph[from].size() - 1, true, idx});
    }

    bool build_augment_path(int s, int t) {
        min_cost.assign(graph.size(), -1);
        queue<int> que;
        min_cost[s] = 0;
        que.push(s);
        while (!que.empty() && min_cost[t] == -1) {
            int p = que.front();
            que.pop();
            for (auto& e : graph[p]) {
                if (e.cap > 0 && min_cost[e.to] == -1) {
                    min_cost[e.to] = min_cost[p] + 1;
                    que.push(e.to);
                }
            }
        }
        return min_cost[t] != -1;
    }

    flow_t find_min_dist_augment_path(int idx, const int t, flow_t flow) {
        if (idx == t) return flow;
        for (int& i = iter[idx]; i < (int)graph[idx].size(); i++) {
            edge& e = graph[idx][i];
            if (e.cap > 0 && min_cost[idx] < min_cost[e.to]) {
                flow_t d =
                    find_min_dist_augment_path(e.to, t, min(flow, e.cap));
                if (d > 0) {
                    e.cap -= d;
                    graph[e.to][e.rev].cap += d;
                    return d;
                }
            }
        }
        return 0;
    }

    flow_t max_flow(int s, int t) {
        flow_t flow = 0;
        while (build_augment_path(s, t)) {
            iter.assign(graph.size(), 0);
            flow_t f;
            while ((f = find_min_dist_augment_path(s, t, INF)) > 0) flow += f;
        }
        return flow;
    }

    void output() {
        for (int i = 0; i < graph.size(); i++) {
            for (auto& e : graph[i]) {
                if (e.isrev) continue;
                auto& rev_e = graph[e.to][e.rev];
                cout << i << "->" << e.to << " (flow: " << rev_e.cap << "/"
                     << e.cap + rev_e.cap << ")" << endl;
            }
        }
    }

    vector<bool> min_cut(int s) {
        // 何に使うのこれ?
        vector<bool> used(graph.size());
        queue<int> que;
        que.emplace(s);
        used[s] = true;
        while (not que.empty()) {
            int p = que.front();
            que.pop();
            for (auto& e : graph[p]) {
                if (e.cap > 0 and not used[e.to]) {
                    used[e.to] = true;
                    que.emplace(e.to);
                }
            }
        }
        return used;
    }
};

void solve() {
    ll W;
    cin >> W;
    ll N;
    cin >> N;
    vc<ll> Js(N);
    rep(i, N) cin >> Js[i];
    ll M;
    cin >> M;
    vc<ll> Cs(M);
    rep(i, M) cin >> Cs[i];

    Dinic<ll> dinic(N + M + 2);
    rep(i, N) { dinic.add_edge(N + M, i, Js[i]); }
    rep(i, M) {
        ll Q;
        cin >> Q;
        unordered_set<ll> cant;
        rep(_, Q) {
            ll x;
            cin >> x;
            x--;
            cant.insert(x);
        }
        rep(j, N) {
            if (cant.count(j)) continue;
            dinic.add_edge(j, N + i, Js[j]);
        }
        dinic.add_edge(N + i, N + M + 1, Cs[i]);
    }
    ll f = dinic.max_flow(N + M, N + M + 1);
    dbg(f);
    if (f >= W) {
        print("SHIROBAKO");
    } else {
        print("BANSAKUTSUKITA");
    }
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout << fixed << setprecision(15);

    // ll T; cin >> T;
    // rep(_, T)
    solve();
}
0