結果
問題 | No.200 カードファイト! |
ユーザー |
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提出日時 | 2020-10-23 00:43:49 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,079 bytes |
コンパイル時間 | 2,450 ms |
コンパイル使用メモリ | 188,172 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-07-21 09:40:56 |
合計ジャッジ時間 | 3,700 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 21 WA * 5 |
ソースコード
/*** @FileName a.cpp* @Author kanpurin* @Created 2020.10.23 00:43:44**/#include "bits/stdc++.h"using namespace std;typedef long long ll;struct Dinic {private:struct edge {int to;ll cap;int rev;bool isrev;int idx;};vector< vector< edge > > graph;vector< int > min_cost, iter;bool bfs(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;}ll dfs(int idx, const int t, ll flow) {if (idx == t) return flow;for (int &i = iter[idx]; i < graph[idx].size(); i++) {edge &e = graph[idx][i];if (e.cap > 0 && min_cost[idx] < min_cost[e.to]) {ll d = dfs(e.to, t, min(flow, e.cap));if (d > 0) {e.cap -= d;graph[e.to][e.rev].cap += d;return d;}}}return 0;}public:Dinic(int V) : graph(V) {}void add_edge(int from, int to, ll cap, int idx = -1) {graph[from].push_back({to, cap, (int)graph[to].size(), false, idx});graph[to].push_back({from, 0, (int)graph[from].size() - 1, true, idx});}ll max_flow(int s, int t) {ll flow = 0;while (bfs(s, t)) {iter.assign(graph.size(), 0);ll f = 0;while ((f = dfs(s, t, 1e9 + 6)) > 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;}}}};int main() {int n;cin >> n;int a;cin >> a;vector<int> b(a);for (int i = 0; i < a; i++) {cin >> b[i];}int c;cin >> c;vector<int> d(c);for (int i = 0; i < c; i++) {cin >> d[i];}sort(b.rbegin(), b.rend());sort(d.begin(), d.end());b.resize(n);d.resize(n);for (int i = a; i < n; i++) {b[i] = b[i-a];}for (int i = c; i < n; i++) {d[i] = d[i-c];}Dinic g(2*n+2);int s = 2*n;int t = 2*n+1;for (int i = 0; i < n; i++) {g.add_edge(s,i,1);g.add_edge(i+n,t,1);}for (int i = 0; i < n; i++) {for (int j = 0; j < n; j++) {if (b[i] > d[j]) {g.add_edge(i,j+n,1);}}}cout << g.max_flow(s,t) << endl;return 0;}