結果
| 問題 |
No.1984 [Cherry 4th Tune *] Dilemma
|
| コンテスト | |
| ユーザー |
ei1333333
|
| 提出日時 | 2022-06-17 21:41:12 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 3 ms / 2,000 ms |
| コード長 | 5,393 bytes |
| コンパイル時間 | 5,892 ms |
| コンパイル使用メモリ | 266,900 KB |
| 最終ジャッジ日時 | 2025-01-29 21:37:36 |
|
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 68 |
ソースコード
#include<bits/stdc++.h>
#include<atcoder/all>
using namespace std;
using int64 = long long;
//const int mod = 1e9 + 7;
const int mod = 998244353;
const int64 infll = (1LL << 62) - 1;
const int inf = (1 << 30) - 1;
struct IoSetup {
IoSetup() {
cin.tie(nullptr);
ios::sync_with_stdio(false);
cout << fixed << setprecision(10);
cerr << fixed << setprecision(10);
}
} iosetup;
template< typename T1, typename T2 >
ostream &operator<<(ostream &os, const pair< T1, T2 > &p) {
os << p.first << " " << p.second;
return os;
}
template< typename T1, typename T2 >
istream &operator>>(istream &is, pair< T1, T2 > &p) {
is >> p.first >> p.second;
return is;
}
template< typename T >
ostream &operator<<(ostream &os, const vector< T > &v) {
for(int i = 0; i < (int) v.size(); i++) {
os << v[i] << (i + 1 != v.size() ? " " : "");
}
return os;
}
template< typename T >
istream &operator>>(istream &is, vector< T > &v) {
for(T &in: v) is >> in;
return is;
}
template< typename T1, typename T2 >
inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); }
template< typename T1, typename T2 >
inline bool chmin(T1 &a, T2 b) { return a > b && (a = b, true); }
template< typename T = int64 >
vector< T > make_v(size_t a) {
return vector< T >(a);
}
template< typename T, typename... Ts >
auto make_v(size_t a, Ts... ts) {
return vector< decltype(make_v< T >(ts...)) >(a, make_v< T >(ts...));
}
template< typename T, typename V >
typename enable_if< is_class< T >::value == 0 >::type fill_v(T &t, const V &v) {
t = v;
}
template< typename T, typename V >
typename enable_if< is_class< T >::value != 0 >::type fill_v(T &t, const V &v) {
for(auto &e: t) fill_v(e, v);
}
template< typename F >
struct FixPoint : F {
FixPoint(F &&f) : F(forward< F >(f)) {}
template< typename... Args >
decltype(auto) operator()(Args &&... args) const {
return F::operator()(*this, forward< Args >(args)...);
}
};
template< typename F >
inline decltype(auto) MFP(F &&f) {
return FixPoint< F >{forward< F >(f)};
}
template< typename flow_t >
struct Dinic {
const flow_t INF;
struct edge {
int to;
flow_t cap;
int rev;
bool isrev;
};
vector< vector< edge > > graph;
vector< int > min_cost, iter;
Dinic(int V) : INF(numeric_limits< flow_t >::max()), graph(V) {}
void add_edge(int from, int to, flow_t cap) {
graph[from].emplace_back((edge) {to, cap, (int) graph[to].size(), false});
graph[to].emplace_back((edge) {from, 0, (int) graph[from].size() - 1, true});
}
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;
}
flow_t dfs(int idx, const int t, flow_t 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]) {
flow_t 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;
}
flow_t max_flow(int s, int t) {
flow_t flow = 0;
while(bfs(s, t)) {
iter.assign(graph.size(), 0);
flow_t f = 0;
while((f = dfs(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;
}
}
}
};
int main() {
int N, M, K, P;
cin >> N >> M >> K >> P;
vector< int > E(N), F(M), V(K);
cin >> E >> F >> V;
Dinic< int64 > flow(N + M + K + 2);
int S = N + M + K;
int T = S + 1;
int64 ret = 0;
for(int i = 0; i < N; i++) {
int L;
cin >> L;
vector< int > A(L);
cin >> A;
flow.add_edge(i, T, E[i]);
ret += E[i];
for(auto &p: A) {
--p;
flow.add_edge(N + M + p, i, flow.INF);
}
}
for(int i = 0; i < K; i++) {
flow.add_edge(S, N + M + i, V[i]);
}
for(int i = 0; i < M; i++) {
ret += F[i];
flow.add_edge(S, N + i, F[i]);
}
for(int i = 0; i < P; i++) {
int x, y;
cin >> x >> y;
--x, --y;
flow.add_edge(N + y, x, flow.INF);
}
cout << ret - flow.max_flow(S, T) << "\n";
queue< int > que;
que.emplace(S);
vector< int > used(N + M + K + 2);
used[S] = 1;
while(!que.empty()) {
auto p = que.front();
que.pop();
for(auto &e: flow.graph[p]) {
if(e.cap > 0 and not used[e.to]) {
used[e.to] = 1;
que.emplace(e.to);
}
}
}
vector< pair< string, int > > ans;
for(int i = 0; i < K; i++) {
if(!used[N + M + i]) {
ans.emplace_back("Preparation", i + 1);
}
}
for(int i = 0; i < N; i++) {
if(!used[i]) {
ans.emplace_back("Goal", i + 1);
}
}
for(int i = 0; i < M; i++) {
if(used[i + N]) {
ans.emplace_back("Action", i + 1);
}
}
cout << ans.size() << "\n";
for(auto &p: ans) cout << p << "\n";
}
ei1333333