結果
問題 | No.200 カードファイト! |
ユーザー | maine_honzuki |
提出日時 | 2020-12-21 23:13:56 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,449 bytes |
コンパイル時間 | 2,719 ms |
コンパイル使用メモリ | 223,988 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-09-21 13:13:12 |
合計ジャッジ時間 | 3,829 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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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 | 3 ms
5,248 KB |
testcase_01 | AC | 3 ms
5,248 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 | WA | - |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 3 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | AC | 3 ms
5,376 KB |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | AC | 2 ms
5,376 KB |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
ソースコード
#include <bits/stdc++.h> using namespace std; template <typename flow_t, typename cost_t> struct mincostflow { private: int N; struct _edge { int to, rev; flow_t cap; cost_t cost; }; vector<std::pair<int, int>> Pos; vector<std::vector<_edge>> G; public: mincostflow() {} mincostflow(int N) : N(N), G(N) {} void add_edge(int from, int to, flow_t cap, cost_t cost) { Pos.push_back({from, int(G[from].size())}); int from_id = int(G[from].size()); int to_id = int(G[to].size()); if (from == to) to_id++; G[from].push_back(_edge{to, to_id, cap, cost}); G[to].push_back(_edge{from, from_id, 0, -cost}); } pair<flow_t, cost_t> flow(int s, int t) { return flow(s, t, numeric_limits<flow_t>::max()); } pair<flow_t, cost_t> flow(int s, int t, flow_t flow_limit) { return slope(s, t, flow_limit).back(); } vector<pair<flow_t, cost_t>> slope(int s, int t) { return slope(s, t, numeric_limits<flow_t>::max()); } vector<pair<flow_t, cost_t>> slope(int s, int t, flow_t flow_limit) { vector<cost_t> dual(N, 0), dist(N); vector<int> pv(N), pe(N); vector<bool> vis(N); auto dual_ref = [&]() { fill(dist.begin(), dist.end(), numeric_limits<cost_t>::max()); fill(pv.begin(), pv.end(), -1); fill(pe.begin(), pe.end(), -1); fill(vis.begin(), vis.end(), false); struct Q { cost_t key; int to; bool operator<(Q r) const { return key > r.key; } }; priority_queue<Q> que; dist[s] = 0; que.push(Q{0, s}); while (!que.empty()) { int v = que.top().to; que.pop(); if (vis[v]) continue; vis[v] = true; if (v == t) break; for (int i = 0; i < int(G[v].size()); i++) { auto e = G[v][i]; if (vis[e.to] || !e.cap) continue; cost_t cost = e.cost - dual[e.to] + dual[v]; if (dist[e.to] - dist[v] > cost) { dist[e.to] = dist[v] + cost; pv[e.to] = v; pe[e.to] = i; que.push(Q{dist[e.to], e.to}); } } } if (!vis[t]) return false; for (int v = 0; v < N; v++) { if (!vis[v]) continue; dual[v] -= dist[t] - dist[v]; } return true; }; flow_t flow = 0; cost_t cost = 0, prev_cost_per_flow = -1; vector<pair<flow_t, cost_t>> result; result.push_back({flow, cost}); while (flow < flow_limit) { if (!dual_ref()) break; flow_t c = flow_limit - flow; for (int v = t; v != s; v = pv[v]) c = min(c, G[pv[v]][pe[v]].cap); for (int v = t; v != s; v = pv[v]) { auto& e = G[pv[v]][pe[v]]; e.cap -= c; G[v][e.rev].cap += c; } cost_t d = -dual[s]; flow += c; cost += c * d; if (prev_cost_per_flow == d) result.pop_back(); result.push_back({flow, cost}); prev_cost_per_flow = d; } return result; } }; int main() { int N, A, C; cin >> N >> A; vector<int> B(A); for (int i = 0; i < A; i++) { cin >> B[i]; } cin >> C; vector<int> D(C); for (int i = 0; i < C; i++) { cin >> D[i]; } sort(B.begin(), B.end(), greater<>()); sort(D.begin(), D.end()); mincostflow<int, int> mcf(N * 2 + 2); int s = N * 2, t = N * 2 + 1; for (int i = 0; i < N; i++) { mcf.add_edge(s, i, 1, 0); mcf.add_edge(N + i, t, 1, 0); } for (int i = 0; i < N; i++) { int l = i / A * A; int r = min(l + A, N); l = l / C * C; r = min(r / C * C + C, N); for (int j = l; j < r; j++) { int cost = -(B[i % A] > D[j % C]); mcf.add_edge(i, N + j, 1, cost); } } cout << -mcf.flow(s, t).second << endl; }