結果
問題 | No.200 カードファイト! |
ユーザー | koyumeishi |
提出日時 | 2015-06-01 22:18:55 |
言語 | C++11 (gcc 11.4.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,753 bytes |
コンパイル時間 | 985 ms |
コンパイル使用メモリ | 91,244 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-07-06 13:16:43 |
合計ジャッジ時間 | 1,884 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | 4 ms
6,812 KB |
testcase_01 | WA | - |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 3 ms
6,944 KB |
testcase_06 | AC | 3 ms
6,940 KB |
testcase_07 | AC | 3 ms
6,940 KB |
testcase_08 | AC | 3 ms
6,940 KB |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | AC | 2 ms
6,940 KB |
testcase_14 | AC | 2 ms
6,940 KB |
testcase_15 | AC | 2 ms
6,940 KB |
testcase_16 | AC | 2 ms
6,940 KB |
testcase_17 | AC | 2 ms
6,944 KB |
testcase_18 | AC | 2 ms
6,940 KB |
testcase_19 | AC | 2 ms
6,944 KB |
testcase_20 | AC | 3 ms
6,940 KB |
testcase_21 | AC | 2 ms
6,940 KB |
testcase_22 | AC | 2 ms
6,940 KB |
testcase_23 | AC | 2 ms
6,944 KB |
testcase_24 | AC | 2 ms
6,944 KB |
testcase_25 | AC | 2 ms
6,944 KB |
testcase_26 | AC | 2 ms
6,944 KB |
testcase_27 | AC | 2 ms
6,944 KB |
testcase_28 | AC | 4 ms
6,944 KB |
ソースコード
#include <iostream> #include <vector> #include <cstdio> #include <sstream> #include <map> #include <string> #include <algorithm> #include <queue> #include <cmath> #include <set> using namespace std; template<class T> class Min_Cost_Flow{ public: struct edge{ int to; int cap; T cost; int rev; }; const T INF; vector<vector<edge>> G; Min_Cost_Flow(int n, T inf) : G(n), INF(inf){ } void add_edge(int from, int to, int cap, T cost){ G[from].push_back((edge){to, cap, cost, (int)G[to].size()}); G[to].push_back((edge){from, 0, -cost, (int)G[from].size()-1}); } //min cost : s->t (flow:f) T min_cost_flow(int s, int t, int f){ T cost = 0; vector<int> prev_v(G.size(),-1); vector<int> prev_e(G.size(),-1); vector<T> potantial(G.size(), 0); vector<T> dist(G.size(), INF); dist[s] = 0; /*bellman_ford*/{ bool update = true; for(int cnt = 0; update; cnt++){ update = false; for(int i=0; i<G.size(); i++){ if(dist[i] >= INF) continue; for(int j=0; j<G[i].size(); j++){ if(G[i][j].cap > 0 && dist[G[i][j].to] > dist[i] + G[i][j].cost){ dist[G[i][j].to] = dist[i] + G[i][j].cost; update = true; } } } if(update && cnt >= G.size()){ cerr << " there is a negative cycle " << endl; return -1; } cnt++; } for(int i=0; i<G.size(); i++){ potantial[i] = dist[i]; } } while(f>0){ fill(dist.begin(), dist.end(), INF); dist[s] = 0; prev_v[s] = s; /*dijkstra*/{ priority_queue<pair<T,int>, vector<pair<T,int>>, greater<pair<T,int>>> pq; pq.push({0, s}); while(pq.size()){ pair<T, int> p = pq.top(); pq.pop(); if(dist[p.second] < p.first) continue; dist[p.second] = p.first; for(int i=0; i<G[p.second].size(); i++){ edge& e = G[p.second][i]; T new_dist = dist[p.second] + e.cost + potantial[p.second] - potantial[e.to]; if(e.cap > 0 && dist[e.to] > new_dist){ dist[e.to] = new_dist; prev_v[e.to] = p.second; prev_e[e.to] = i; pq.push({dist[e.to], e.to}); } } } } if(potantial[t] + dist[t] == INF){ cerr << "couldn't insert flow f : " << f << endl; return -1; } for(int i=0; i<G.size(); i++){ potantial[i] += dist[i]; } int d = f; int pos = t; while(pos != s){ int v = prev_v[pos]; int e = prev_e[pos]; d = min(d, G[v][e].cap); pos = prev_v[pos]; } pos = t; while(pos != s){ int v = prev_v[pos]; int e = prev_e[pos]; G[v][e].cap -= d; G[G[v][e].to][G[v][e].rev].cap += d; pos = v; } cost += d * potantial[t]; //potential is new_dist f -= d; //f==0 then end } return cost; } }; int main(){ int n; cin >> n; int x; cin >> x; vector<int> a(x); for(int i=0; i<x; i++){cin>>a[i];} int y; cin >> y; vector<int> b(y); for(int i=0; i<y; i++){cin>>b[i];} int sz = ((n+x-1)/x)*x + ((n+y-1)/y)*y + 2; int s = sz - 2; int t = sz - 1; Min_Cost_Flow<long long> flow(sz, 1e12); vector<long long> offset_x; for(int k=0; k<((n+x-1)/x); k++){ for(int i=0; i<x; i++){ flow.add_edge(s, i + x*k, 1, -100000 + 10*k); offset_x.push_back(-100000 + 10*k); } } vector<long long> offset_y; for(int k=0; k<((n+y-1)/y); k++){ for(int i=0; i<y; i++){ flow.add_edge( ((n+x-1)/x)*x + i + y*k, t, 1, -100000 + 10*k); offset_y.push_back(-100000 + 10*k); } } for(int i=0; i<((n+x-1)/x)*x; i++){ for(int j=0; j<((n+y-1)/y)*y; j++){ flow.add_edge( i, ((n+x-1)/x)*x + j, 1, (a[i%x]>b[j%y]?0:1) ); } } long long ans = 0; for(int i=0; i<n; i++){ ans -= offset_x[i] + offset_y[i]; } //cerr << ans << endl; ans += flow.min_cost_flow(s,t, n); ans = n - ans; cout << ans << endl; return 0; }