結果
問題 | No.177 制作進行の宮森あおいです! |
ユーザー | cro68831269 |
提出日時 | 2022-05-25 13:53:33 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 3 ms / 2,000 ms |
コード長 | 4,132 bytes |
コンパイル時間 | 2,197 ms |
コンパイル使用メモリ | 214,572 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-09-20 14:46:32 |
合計ジャッジ時間 | 3,102 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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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
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 3 ms
5,376 KB |
testcase_13 | AC | 2 ms
5,376 KB |
testcase_14 | AC | 2 ms
5,376 KB |
testcase_15 | AC | 2 ms
5,376 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; // #include<atcoder/all> // using namespace atcoder; using ll = long long; template<class T> using V = std::vector<T>; #define REP(i, n) for (ll i=(ll)0; i<(ll)(n); i++) #define REPS(i, s, n) for (ll i=(ll)(s); i<(ll)(n); i++) #define RREP(i, n) for (ll i=(ll)(n); i>(ll)0; i--) #define RREPS(i, s, n) for (ll i=(ll)(n); i>(ll)(s); i--) #define ALL(c) std::begin((c)), std::end((c)) struct io {io() {cin.tie(0); ios::sync_with_stdio(0);} } caller; template<typename T> struct DinicCapacityScaling{ static_assert(is_integral<T>::value, "template parameter T must be integral type"); private: const T INF; struct edge{ int to; T cap; int rev; bool isrev; int idx; }; vector<vector<edge>> graph; vector<int> min_cost, iter; T max_cap; bool build_augment_path(int s, int t, const T &base){ 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 >= base && min_cost[e.to] == -1){ min_cost[e.to] = min_cost[p] + 1; que.push(e.to); } } } return min_cost[t] != -1; } T find_augment_path(int idx, const int t, T base, T flow){ if (idx == t) return flow; T sum = 0; for(int &i = iter[idx]; i < (int)graph[idx].size(); i++){ edge &e = graph[idx][i]; if (e.cap >= base && min_cost[idx] < min_cost[e.to]){ T d = find_augment_path(e.to, t, base, min(flow - sum, e.cap)); if (d > 0){ e.cap -= d; graph[e.to][e.rev].cap += d; sum += d; if (flow - sum < base) break; } } } return sum; } public: explicit DinicCapacityScaling(int V) : INF(numeric_limits<T>::max()), graph(V), max_cap(0) {} void add_edge(int from, int to, T cap, int idx = -1){ max_cap = max(max_cap, cap); 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}); } T max_flow(int s, int t){ if (max_cap == T(0)) return T(0); T flow = 0; for (int i = 63 - __builtin_clzll(max_cap); i >= 0; i--){ T now = T(1) << i; while (build_augment_path(s, t, now)){ iter.assign(graph.size(), 0); flow += find_augment_path(s, t, now, INF); } } return flow; } void output(){ for (int i = 0; i < (int)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; } } } }; int main(){ int w, n, m; cin >> w >> n; V<int> j(n); REP (i, n) cin >> j[i]; cin >> m; V<int> c(m); REP (i, m) cin >> c[i]; DinicCapacityScaling<int> mf(n + m + 2); REP (i, n) mf.add_edge(n + m, i, j[i]); REP (i, m) mf.add_edge(i + n, n + m + 1, c[i]); int q; REP (i, m){ cin >> q; V<int> x(q); REP (j, q) cin >> x[j]; REP (j, n){ if (!binary_search(ALL(x), j + 1)){ mf.add_edge(j, i + n, c[i]); } } } if (mf.max_flow(n + m, n + m + 1) >= w) cout << "SHIROBAKO" << endl; else cout << "BANSAKUTSUKITA" << endl; return 0; }